mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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f047c6baaf
svn merge svn://svn.alfresco.com:3691/alfresco/BRANCHES/DEV/EXTENSIONS@4868 svn://svn.alfresco.com:3691/alfresco/BRANCHES/DEV/EXTENSIONS@4869 . svn merge svn://svn.alfresco.com:3691/alfresco/BRANCHES/DEV/EXTENSIONS@4904 svn://svn.alfresco.com:3691/alfresco/BRANCHES/DEV/EXTENSIONS@4938 . Module management support Modularization of Records Management git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@4956 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
823 lines
26 KiB
Java
823 lines
26 KiB
Java
/*
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* Copyright (C) 2005 Alfresco, Inc.
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*
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* Licensed under the Mozilla Public License version 1.1
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* with a permitted attribution clause. You may obtain a
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* copy of the License at
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*
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* http://www.alfresco.org/legal/license.txt
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific
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* language governing permissions and limitations under the
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* License.
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*/
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package org.alfresco.repo.domain;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Locale;
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import java.util.Map;
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import org.alfresco.error.AlfrescoRuntimeException;
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import org.alfresco.service.cmr.dictionary.DataTypeDefinition;
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import org.alfresco.service.cmr.repository.AssociationRef;
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import org.alfresco.service.cmr.repository.ChildAssociationRef;
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import org.alfresco.service.cmr.repository.ContentData;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.cmr.repository.Path;
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import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
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import org.alfresco.service.namespace.QName;
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import org.alfresco.util.EqualsHelper;
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import org.alfresco.util.VersionNumber;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* Immutable property value storage class.
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* <p>
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* The
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*
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* @author Derek Hulley
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*/
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public class PropertyValue implements Cloneable, Serializable
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{
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private static final long serialVersionUID = -497902497351493075L;
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/** used to take care of empty strings being converted to nulls by the database */
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private static final String STRING_EMPTY = "";
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private static Log logger = LogFactory.getLog(PropertyValue.class);
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private static Log loggerOracle = LogFactory.getLog(PropertyValue.class.getName() + ".oracle");
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/** potential value types */
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private static enum ValueType
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{
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NULL
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{
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@Override
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Serializable convert(Serializable value)
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{
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return null;
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}
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},
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BOOLEAN
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{
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(Boolean.class, value);
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}
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},
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INTEGER
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{
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@Override
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protected ValueType getPersistedType(Serializable value)
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{
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return ValueType.LONG;
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}
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(Integer.class, value);
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}
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},
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LONG
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{
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(Long.class, value);
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}
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},
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FLOAT
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{
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(Float.class, value);
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}
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},
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DOUBLE
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{
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(Double.class, value);
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}
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},
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STRING
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{
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/**
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* Strings longer than the maximum of 1024 characters will be serialized.
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*/
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@Override
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protected ValueType getPersistedType(Serializable value)
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{
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if (value instanceof String)
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{
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String valueStr = (String) value;
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if (valueStr.length() > 1024)
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{
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return ValueType.SERIALIZABLE;
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}
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}
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return ValueType.STRING;
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}
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(String.class, value);
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}
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},
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DATE
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{
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@Override
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protected ValueType getPersistedType(Serializable value)
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{
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return ValueType.STRING;
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}
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(Date.class, value);
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}
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},
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SERIALIZABLE
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{
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@Override
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Serializable convert(Serializable value)
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{
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return value;
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}
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},
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CONTENT
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{
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@Override
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protected ValueType getPersistedType(Serializable value)
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{
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return ValueType.STRING;
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}
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(ContentData.class, value);
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}
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},
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NODEREF
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{
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@Override
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protected ValueType getPersistedType(Serializable value)
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{
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return ValueType.STRING;
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}
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(NodeRef.class, value);
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}
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},
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CHILD_ASSOC_REF
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{
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@Override
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protected ValueType getPersistedType(Serializable value)
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{
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return ValueType.STRING;
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}
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(ChildAssociationRef.class, value);
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}
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},
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ASSOC_REF
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{
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@Override
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protected ValueType getPersistedType(Serializable value)
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{
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return ValueType.STRING;
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}
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(AssociationRef.class, value);
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}
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},
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QNAME
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{
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@Override
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protected ValueType getPersistedType(Serializable value)
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{
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return ValueType.STRING;
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}
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(QName.class, value);
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}
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},
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PATH
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{
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@Override
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protected ValueType getPersistedType(Serializable value)
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{
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return ValueType.SERIALIZABLE;
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}
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(Path.class, value);
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}
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},
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LOCALE
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{
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@Override
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protected ValueType getPersistedType(Serializable value)
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{
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return ValueType.STRING;
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}
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(Locale.class, value);
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}
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},
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VERSION_NUMBER
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{
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@Override
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protected ValueType getPersistedType(Serializable value)
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{
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return ValueType.STRING;
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}
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@Override
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Serializable convert(Serializable value)
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{
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return DefaultTypeConverter.INSTANCE.convert(VersionNumber.class, value);
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}
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};
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/**
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* Override if the type gets persisted in a different format.
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*
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* @param value the actual value that is to be persisted. May not be null.
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*/
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protected ValueType getPersistedType(Serializable value)
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{
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return this;
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}
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/**
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* @see DefaultTypeConverter.INSTANCE#convert(Class, Object)
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*/
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abstract Serializable convert(Serializable value);
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protected ArrayList<Serializable> convert(Collection collection)
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{
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ArrayList<Serializable> arrayList = new ArrayList<Serializable>(collection.size());
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for (Object object : collection)
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{
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Serializable newValue = null;
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if (object != null)
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{
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if (!(object instanceof Serializable))
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{
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throw new AlfrescoRuntimeException("Collection values must contain Serializable instances: \n" +
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" value type: " + this + "\n" +
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" collection: " + collection + "\n" +
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" value: " + object);
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}
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Serializable value = (Serializable) object;
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newValue = convert(value);
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}
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arrayList.add(newValue);
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}
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// done
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return arrayList;
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}
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}
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/**
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* Determine the actual value type to aid in more concise persistence.
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*
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* @param value the value that is to be persisted
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* @return Returns the value type equivalent of the
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*/
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private static ValueType getActualType(Serializable value)
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{
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if (value == null)
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{
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return ValueType.NULL;
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}
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else if (value instanceof Boolean)
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{
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return ValueType.BOOLEAN;
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}
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else if ((value instanceof Integer) || (value instanceof Long))
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{
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return ValueType.LONG;
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}
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else if (value instanceof Float)
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{
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return ValueType.FLOAT;
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}
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else if (value instanceof Double)
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{
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return ValueType.DOUBLE;
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}
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else if (value instanceof String)
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{
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return ValueType.STRING;
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}
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else if (value instanceof Date)
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{
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return ValueType.DATE;
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}
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else if (value instanceof ContentData)
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{
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return ValueType.CONTENT;
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}
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else if (value instanceof NodeRef)
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{
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return ValueType.NODEREF;
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}
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else if (value instanceof ChildAssociationRef)
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{
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return ValueType.CHILD_ASSOC_REF;
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}
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else if (value instanceof AssociationRef)
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{
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return ValueType.ASSOC_REF;
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}
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else if (value instanceof QName)
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{
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return ValueType.QNAME;
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}
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else if (value instanceof Path)
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{
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return ValueType.PATH;
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}
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else if (value instanceof Locale)
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{
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return ValueType.LOCALE;
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}
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else if (value instanceof VersionNumber)
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{
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return ValueType.VERSION_NUMBER;
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}
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else
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{
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// type is not recognised as belonging to any particular slot
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return ValueType.SERIALIZABLE;
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}
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}
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/** a mapping from a property type <code>QName</code> to the corresponding value type */
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private static Map<QName, ValueType> valueTypesByPropertyType;
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static
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{
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valueTypesByPropertyType = new HashMap<QName, ValueType>(17);
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valueTypesByPropertyType.put(DataTypeDefinition.ANY, ValueType.SERIALIZABLE);
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valueTypesByPropertyType.put(DataTypeDefinition.BOOLEAN, ValueType.BOOLEAN);
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valueTypesByPropertyType.put(DataTypeDefinition.INT, ValueType.INTEGER);
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valueTypesByPropertyType.put(DataTypeDefinition.LONG, ValueType.LONG);
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valueTypesByPropertyType.put(DataTypeDefinition.DOUBLE, ValueType.DOUBLE);
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valueTypesByPropertyType.put(DataTypeDefinition.FLOAT, ValueType.FLOAT);
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valueTypesByPropertyType.put(DataTypeDefinition.DATE, ValueType.DATE);
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valueTypesByPropertyType.put(DataTypeDefinition.DATETIME, ValueType.DATE);
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valueTypesByPropertyType.put(DataTypeDefinition.CATEGORY, ValueType.NODEREF);
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valueTypesByPropertyType.put(DataTypeDefinition.CONTENT, ValueType.CONTENT);
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valueTypesByPropertyType.put(DataTypeDefinition.TEXT, ValueType.STRING);
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// TODO: Re-examine storage of MLTEXT data type
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valueTypesByPropertyType.put(DataTypeDefinition.MLTEXT, ValueType.SERIALIZABLE);
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valueTypesByPropertyType.put(DataTypeDefinition.NODE_REF, ValueType.NODEREF);
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valueTypesByPropertyType.put(DataTypeDefinition.CHILD_ASSOC_REF, ValueType.CHILD_ASSOC_REF);
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valueTypesByPropertyType.put(DataTypeDefinition.ASSOC_REF, ValueType.ASSOC_REF);
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valueTypesByPropertyType.put(DataTypeDefinition.PATH, ValueType.PATH);
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valueTypesByPropertyType.put(DataTypeDefinition.QNAME, ValueType.QNAME);
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valueTypesByPropertyType.put(DataTypeDefinition.LOCALE, ValueType.LOCALE);
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}
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/** the type of the property, prior to serialization persistence */
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private ValueType actualType;
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/** true if the property values are contained in a collection */
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private boolean isMultiValued;
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/** the type of persistence used */
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private ValueType persistedType;
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private Boolean booleanValue;
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private Long longValue;
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private Float floatValue;
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private Double doubleValue;
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private String stringValue;
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private Serializable serializableValue;
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/**
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* default constructor
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*/
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public PropertyValue()
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{
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}
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/**
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* Construct a new property value.
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*
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* @param typeQName the dictionary-defined property type to store the property as
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* @param value the value to store. This will be converted into a format compatible
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* with the type given
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*
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* @throws java.lang.UnsupportedOperationException if the value cannot be converted to the
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* type given
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*/
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public PropertyValue(QName typeQName, Serializable value)
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{
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this.actualType = PropertyValue.getActualType(value);
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if (value == null)
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{
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setPersistedValue(ValueType.NULL, null);
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setMultiValued(false);
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}
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else if (value instanceof Collection)
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{
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Collection collection = (Collection) value;
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ValueType collectionValueType = makeValueType(typeQName);
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// convert the collection values - we need to do this to ensure that the
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// values provided conform to the given type
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ArrayList<Serializable> convertedCollection = collectionValueType.convert(collection);
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// the persisted type is, nonetheless, a serializable
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setPersistedValue(ValueType.SERIALIZABLE, convertedCollection);
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setMultiValued(true);
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}
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else
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{
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// get the persisted type
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ValueType persistedValueType = this.actualType.getPersistedType(value);
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// convert to the persistent type
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value = persistedValueType.convert(value);
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setPersistedValue(persistedValueType, value);
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setMultiValued(false);
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}
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}
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/**
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* Helper method to convert the type <code>QName</code> into a <code>ValueType</code>
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*
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* @return Returns the <code>ValueType</code> - never null
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*/
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private static ValueType makeValueType(QName typeQName)
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{
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ValueType valueType = valueTypesByPropertyType.get(typeQName);
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if (valueType == null)
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{
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throw new AlfrescoRuntimeException(
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"Property type not recognised: \n" +
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" type: " + typeQName);
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}
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return valueType;
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}
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/**
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* Given an actual type qualified name, returns the <tt>String</tt> that represents it in
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* the database.
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*
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* @param typeQName the type qualified name
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* @return Returns the <tt>String</tt> representation of the type,
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* e.g. <b>CONTENT</b> for type <b>d:content</b>.
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*/
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public static String getActualTypeString(QName typeQName)
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{
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ValueType valueType = makeValueType(typeQName);
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return valueType.toString();
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}
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@Override
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public boolean equals(Object obj)
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{
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if (this == obj)
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{
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return true;
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}
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if (obj == null)
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{
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return false;
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}
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if (obj instanceof PropertyValue)
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{
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PropertyValue that = (PropertyValue) obj;
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return (this.actualType.equals(that.actualType) &&
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EqualsHelper.nullSafeEquals(this.booleanValue, that.booleanValue) &&
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EqualsHelper.nullSafeEquals(this.longValue, that.longValue) &&
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EqualsHelper.nullSafeEquals(this.floatValue, that.floatValue) &&
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EqualsHelper.nullSafeEquals(this.doubleValue, that.doubleValue) &&
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EqualsHelper.nullSafeEquals(this.stringValue, that.stringValue) &&
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EqualsHelper.nullSafeEquals(this.serializableValue, that.serializableValue)
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);
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}
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else
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{
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return false;
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}
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}
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|
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@Override
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public int hashCode()
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{
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int h = 0;
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if (actualType != null)
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h = actualType.hashCode();
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Serializable persistedValue = getPersistedValue();
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if (persistedValue != null)
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h += 17 * persistedValue.hashCode();
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return h;
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}
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@Override
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public Object clone() throws CloneNotSupportedException
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{
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return super.clone();
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}
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|
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@Override
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public String toString()
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{
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StringBuilder sb = new StringBuilder(128);
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sb.append("PropertyValue")
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.append("[actual-type=").append(actualType)
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.append(", multi-valued=").append(isMultiValued)
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.append(", value-type=").append(persistedType)
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.append(", value=").append(getPersistedValue())
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.append("]");
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return sb.toString();
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}
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public String getActualType()
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{
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return actualType.toString();
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}
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|
|
public void setActualType(String actualType)
|
|
{
|
|
this.actualType = ValueType.valueOf(actualType);
|
|
}
|
|
|
|
public boolean isMultiValued()
|
|
{
|
|
return isMultiValued;
|
|
}
|
|
|
|
public void setMultiValued(boolean isMultiValued)
|
|
{
|
|
this.isMultiValued = isMultiValued;
|
|
}
|
|
|
|
public String getPersistedType()
|
|
{
|
|
return persistedType.toString();
|
|
}
|
|
public void setPersistedType(String persistedType)
|
|
{
|
|
this.persistedType = ValueType.valueOf(persistedType);
|
|
}
|
|
|
|
/**
|
|
* Stores the value in the correct slot based on the type of persistence requested.
|
|
* No conversion is done.
|
|
*
|
|
* @param persistedType the value type
|
|
* @param value the value - it may only be null if the persisted type is {@link ValueType#NULL}
|
|
*/
|
|
public void setPersistedValue(ValueType persistedType, Serializable value)
|
|
{
|
|
switch (persistedType)
|
|
{
|
|
case NULL:
|
|
if (value != null)
|
|
{
|
|
throw new AlfrescoRuntimeException("Value must be null for persisted type: " + persistedType);
|
|
}
|
|
break;
|
|
case BOOLEAN:
|
|
this.booleanValue = (Boolean) value;
|
|
break;
|
|
case LONG:
|
|
this.longValue = (Long) value;
|
|
break;
|
|
case FLOAT:
|
|
this.floatValue = (Float) value;
|
|
break;
|
|
case DOUBLE:
|
|
this.doubleValue = (Double) value;
|
|
break;
|
|
case STRING:
|
|
this.stringValue = (String) value;
|
|
break;
|
|
case SERIALIZABLE:
|
|
this.serializableValue = (Serializable) value;
|
|
break;
|
|
default:
|
|
throw new AlfrescoRuntimeException("Unrecognised value type: " + persistedType);
|
|
}
|
|
// we store the type that we persisted as
|
|
this.persistedType = persistedType;
|
|
}
|
|
|
|
/**
|
|
* @return Returns the persisted value, keying off the persisted value type
|
|
*/
|
|
private Serializable getPersistedValue()
|
|
{
|
|
switch (persistedType)
|
|
{
|
|
case NULL:
|
|
return null;
|
|
case BOOLEAN:
|
|
return this.booleanValue;
|
|
case LONG:
|
|
return this.longValue;
|
|
case FLOAT:
|
|
return this.floatValue;
|
|
case DOUBLE:
|
|
return this.doubleValue;
|
|
case STRING:
|
|
// Oracle stores empty strings as 'null'...
|
|
if (this.stringValue == null)
|
|
{
|
|
// We know that we stored a non-null string, but now it is null.
|
|
// It can only mean one thing - Oracle
|
|
if (loggerOracle.isDebugEnabled())
|
|
{
|
|
logger.debug("string_value is 'null'. Forcing to empty String");
|
|
}
|
|
return PropertyValue.STRING_EMPTY;
|
|
}
|
|
else
|
|
{
|
|
return this.stringValue;
|
|
}
|
|
case SERIALIZABLE:
|
|
return this.serializableValue;
|
|
default:
|
|
throw new AlfrescoRuntimeException("Unrecognised value type: " + persistedType);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetches the value as a desired type. Collections (i.e. multi-valued properties)
|
|
* will be converted as a whole to ensure that all the values returned within the
|
|
* collection match the given type.
|
|
*
|
|
* @param typeQName the type required for the return value
|
|
* @return Returns the value of this property as the desired type, or a <code>Collection</code>
|
|
* of values of the required type
|
|
*
|
|
* @throws AlfrescoRuntimeException
|
|
* if the type given is not recognized
|
|
* @throws org.alfresco.service.cmr.repository.datatype.TypeConversionException
|
|
* if the conversion to the required type fails
|
|
*
|
|
* @see DataTypeDefinition#ANY The static qualified names for the types
|
|
*/
|
|
public Serializable getValue(QName typeQName)
|
|
{
|
|
// first check for null
|
|
ValueType requiredType = makeValueType(typeQName);
|
|
if (requiredType == ValueType.SERIALIZABLE)
|
|
{
|
|
// the required type must be the actual type
|
|
requiredType = this.actualType;
|
|
}
|
|
|
|
// we need to convert
|
|
Serializable ret = null;
|
|
if (persistedType == ValueType.NULL)
|
|
{
|
|
ret = null;
|
|
}
|
|
else if (this.isMultiValued)
|
|
{
|
|
// collections are always stored
|
|
Collection collection = (Collection) this.serializableValue;
|
|
// convert the collection values - we need to do this to ensure that the
|
|
// values provided conform to the given type
|
|
ArrayList<Serializable> convertedCollection = requiredType.convert(collection);
|
|
ret = convertedCollection;
|
|
}
|
|
else
|
|
{
|
|
Serializable persistedValue = getPersistedValue();
|
|
// convert the type
|
|
ret = requiredType.convert(persistedValue);
|
|
}
|
|
// done
|
|
if (logger.isDebugEnabled())
|
|
{
|
|
logger.debug("Fetched value: \n" +
|
|
" property value: " + this + "\n" +
|
|
" requested type: " + requiredType + "\n" +
|
|
" result: " + ret);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Gets the value or values as a guaranteed collection.
|
|
*
|
|
* @see #getValue(QName)
|
|
*/
|
|
public Collection<Serializable> getCollection(QName typeQName)
|
|
{
|
|
Serializable value = getValue(typeQName);
|
|
if (value instanceof Collection)
|
|
{
|
|
return (Collection<Serializable>) value;
|
|
}
|
|
else
|
|
{
|
|
return Collections.singletonList(value);
|
|
}
|
|
}
|
|
|
|
public boolean getBooleanValue()
|
|
{
|
|
if (booleanValue == null)
|
|
return false;
|
|
else
|
|
return booleanValue.booleanValue();
|
|
}
|
|
public void setBooleanValue(boolean value)
|
|
{
|
|
this.booleanValue = Boolean.valueOf(value);
|
|
}
|
|
|
|
public long getLongValue()
|
|
{
|
|
if (longValue == null)
|
|
return 0;
|
|
else
|
|
return longValue.longValue();
|
|
}
|
|
public void setLongValue(long value)
|
|
{
|
|
this.longValue = Long.valueOf(value);
|
|
}
|
|
|
|
public float getFloatValue()
|
|
{
|
|
if (floatValue == null)
|
|
return 0.0F;
|
|
else
|
|
return floatValue.floatValue();
|
|
}
|
|
public void setFloatValue(float value)
|
|
{
|
|
this.floatValue = Float.valueOf(value);
|
|
}
|
|
|
|
public double getDoubleValue()
|
|
{
|
|
if (doubleValue == null)
|
|
return 0.0;
|
|
else
|
|
return doubleValue.doubleValue();
|
|
}
|
|
public void setDoubleValue(double value)
|
|
{
|
|
this.doubleValue = Double.valueOf(value);
|
|
}
|
|
|
|
public String getStringValue()
|
|
{
|
|
return stringValue;
|
|
}
|
|
public void setStringValue(String value)
|
|
{
|
|
this.stringValue = value;
|
|
}
|
|
|
|
public Serializable getSerializableValue()
|
|
{
|
|
return serializableValue;
|
|
}
|
|
public void setSerializableValue(Serializable value)
|
|
{
|
|
this.serializableValue = value;
|
|
}
|
|
}
|