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Added DAOs. Attribute query objects seem to be able to generate hibernate predicates.

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5467 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Britt Park
2007-04-09 16:06:01 +00:00
parent 838b2bfcd3
commit 32d1493301
25 changed files with 975 additions and 215 deletions
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72
source/java/org/alfresco/service/cmr/attributes/AttrAndQuery.java Normal file
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@@ -0,0 +1,72 @@
/*
* Copyright (C) 2005-2007 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing
*/
package org.alfresco.service.cmr.attributes;
import java.util.ArrayList;
import java.util.List;
/**
* And aggregate query.
* @author britt
*/
public class AttrAndQuery extends AttrQuery
{
private static final long serialVersionUID = 5452165715643751502L;
private List<AttrQuery> fSubQueries;
public AttrAndQuery(List<AttrQuery> queries)
{
fSubQueries = queries;
}
public AttrAndQuery(AttrQuery... queries)
{
fSubQueries = new ArrayList<AttrQuery>();
for (AttrQuery query : queries)
{
fSubQueries.add(query);
}
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttrQuery#getPredicate(org.alfresco.service.cmr.attributes.AttrQueryHelper)
*/
@Override
public String getPredicate(AttrQueryHelper helper)
{
StringBuilder builder = new StringBuilder();
builder.append('(');
for (int i = 0; i < fSubQueries.size() - 1; i++)
{
builder.append(fSubQueries.get(i).getPredicate(helper));
builder.append(" and ");
}
builder.append(fSubQueries.get(fSubQueries.size() - 1).getPredicate(helper));
builder.append(')');
return builder.toString();
}
}

55
source/java/org/alfresco/service/cmr/attributes/AttrNotQuery.java Normal file
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@@ -0,0 +1,55 @@
/*
* Copyright (C) 2005-2007 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing
*/
package org.alfresco.service.cmr.attributes;
/**
* The negation of a sub query.
* @author britt
*/
public class AttrNotQuery extends AttrQuery
{
private static final long serialVersionUID = -7798693028454128695L;
private AttrQuery fSubQuery;
public AttrNotQuery(AttrQuery sub)
{
fSubQuery = sub;
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttrQuery#getPredicate(org.alfresco.service.cmr.attributes.AttrQueryHelper)
*/
@Override
public String getPredicate(AttrQueryHelper helper)
{
StringBuilder builder = new StringBuilder();
builder.append("(not ");
builder.append(fSubQuery.getPredicate(helper));
builder.append(')');
return builder.toString();
}
}

72
source/java/org/alfresco/service/cmr/attributes/AttrOrQuery.java Normal file
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@@ -0,0 +1,72 @@
/*
* Copyright (C) 2005-2007 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing
*/
package org.alfresco.service.cmr.attributes;
import java.util.ArrayList;
import java.util.List;
/**
* @author britt
*
*/
public class AttrOrQuery extends AttrQuery
{
private static final long serialVersionUID = 2295618804175882547L;
private List<AttrQuery> fSubQueries;
public AttrOrQuery(List<AttrQuery> queries)
{
fSubQueries = queries;
}
public AttrOrQuery(AttrQuery... queries)
{
fSubQueries = new ArrayList<AttrQuery>();
for (AttrQuery query : queries)
{
fSubQueries.add(query);
}
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttrQuery#getPredicate(int)
*/
@Override
public String getPredicate(AttrQueryHelper helper)
{
StringBuilder builder = new StringBuilder();
builder.append('(');
for (int i = 0; i < fSubQueries.size() - 1; i++)
{
builder.append(fSubQueries.get(i).getPredicate(helper));
builder.append(" or ");
}
builder.append(fSubQueries.get(fSubQueries.size() - 1).getPredicate(helper));
builder.append(')');
return builder.toString();
}
}

148
source/java/org/alfresco/service/cmr/attributes/AttrQuery.java
View File

@@ -27,162 +27,26 @@ package org.alfresco.service.cmr.attributes;
import java.io.Serializable;
import org.alfresco.repo.attributes.Attribute;
import org.alfresco.repo.attributes.AttributeUnsupportedQueryType;
/**
* Abstract base class for Attribute Query nodes.
* @author britt
*/
public abstract class AttrQuery implements Serializable
{
protected Attribute fValue;
protected String fValue;
protected String fAttrName;
protected AttrQuery()
{
}
protected String fEntityName;
protected AttrQuery(Attribute value)
protected AttrQuery(String value)
{
fValue = value;
switch (fValue.getType())
{
case BOOLEAN :
{
fAttrName = "booleanValue";
fEntityName = "BooleanAttributeImpl";
break;
}
case BYTE :
{
fAttrName = "byteValue";
fEntityName = "ByteAttributeImpl";
break;
}
case SHORT :
{
fAttrName = "shortValue";
fEntityName = "ShortAttributeImpl";
break;
}
case INT :
{
fAttrName = "intValue";
fEntityName = "IntAttributeImpl";
break;
}
case LONG :
{
fAttrName = "longValue";
fEntityName = "LongAttributeImpl";
break;
}
case FLOAT :
{
fAttrName = "floatValue";
fEntityName = "FloatAttributeImpl";
break;
}
case DOUBLE :
{
fAttrName = "doubleValue";
fEntityName = "DoubleAttributeImpl";
break;
}
case STRING :
{
fAttrName = "stringValue";
fEntityName = "StringAttributeImpl";
break;
}
case BLOB :
{
fAttrName = "blobValue";
fEntityName = "BlobValueImpl";
break;
}
case SERIALIZABLE :
{
fAttrName = "serializableValue";
fEntityName = "SerializableValueImpl";
break;
}
case MAP :
{
fAttrName = "mapValue"; // This doesn't need to make sense.
fEntityName = "MapValueImpl"; // Nor does this.
}
}
}
/**
* Get the predicate that goes into a Hibernate query.
* @return The predicate.
*/
public abstract String getPredicate();
/**
* Get the entity that this predicate applies to.
* @return The entity name.
*/
public String getEntity()
{
return fEntityName;
}
protected String getValue()
{
switch (fValue.getType())
{
case BOOLEAN :
{
return fValue.getBooleanValue() ? "1" : "0";
}
case BYTE :
{
return Byte.toString(fValue.getByteValue());
}
case SHORT :
{
return Short.toString(fValue.getShortValue());
}
case INT :
{
return Integer.toString(fValue.getIntValue());
}
case LONG :
{
return Long.toString(fValue.getLongValue());
}
case FLOAT :
{
return Float.toString(fValue.getFloatValue());
}
case DOUBLE :
{
return Double.toString(fValue.getDoubleValue());
}
case STRING :
{
StringBuilder builder = new StringBuilder();
char[] chars = fValue.getStringValue().toCharArray();
builder.append('\'');
for (char c : chars)
{
if (c == '\'')
{
builder.append("\\'");
continue;
}
builder.append(c);
}
builder.append('\'');
return builder.toString();
}
default :
{
throw new AttributeUnsupportedQueryType(fValue.getType().name());
}
}
}
public abstract String getPredicate(AttrQueryHelper helper);
}

13
source/java/org/alfresco/service/cmr/attributes/AttrQueryEquals.java
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@@ -25,9 +25,6 @@
package org.alfresco.service.cmr.attributes;
import org.alfresco.repo.attributes.Attribute;
import org.alfresco.repo.attributes.AttributeUnsupportedQueryType;
/**
* The equals predicate.
* @author britt
@@ -36,17 +33,19 @@ public class AttrQueryEquals extends AttrQuery
{
private static final long serialVersionUID = 2180915053803244460L;
public AttrQueryEquals(Attribute value)
public AttrQueryEquals(String name)
{
super(value);
super(name);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttrQuery#getPredicate()
*/
@Override
public String getPredicate()
public String getPredicate(AttrQueryHelper helper)
{
return "ent." + fAttrName + " = " + getValue();
String name = ":name" + helper.getNextSuffix();
helper.setParameter(name, fValue);
return "me.key = " + name;
}
}

14
source/java/org/alfresco/service/cmr/attributes/AttrQueryGT.java
View File

@@ -25,8 +25,6 @@
package org.alfresco.service.cmr.attributes;
import org.alfresco.repo.attributes.Attribute;
/**
* Greater than query.
* @author britt
@@ -36,19 +34,21 @@ public class AttrQueryGT extends AttrQuery
private static final long serialVersionUID = 3171792743187950462L;
/**
* @param value
* @param name
*/
public AttrQueryGT(Attribute value)
public AttrQueryGT(String name)
{
super(value);
super(name);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttrQuery#getPredicate()
*/
@Override
public String getPredicate()
public String getPredicate(AttrQueryHelper helper)
{
return "ent." + fAttrName + " > " + getValue();
String name = ":name" + helper.getNextSuffix();
helper.setParameter(name, fValue);
return "me.key > " + name;
}
}

13
source/java/org/alfresco/service/cmr/attributes/AttrQueryGTE.java
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@@ -25,7 +25,6 @@
package org.alfresco.service.cmr.attributes;
import org.alfresco.repo.attributes.Attribute;
/**
* Greater than or equals predicate.
@@ -36,19 +35,21 @@ public class AttrQueryGTE extends AttrQuery
private static final long serialVersionUID = -7957078449719425057L;
/**
* @param value
* @param name
*/
public AttrQueryGTE(Attribute value)
public AttrQueryGTE(String name)
{
super(value);
super(name);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttrQuery#getPredicate()
*/
@Override
public String getPredicate()
public String getPredicate(AttrQueryHelper helper)
{
return "ent." + fAttrName + " >= " + getValue();
String name = ":name" + helper.getNextSuffix();
helper.setParameter(name, fValue);
return "me.key >= " + name;
}
}

56
source/java/org/alfresco/service/cmr/attributes/AttrQueryHelper.java Normal file
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@@ -0,0 +1,56 @@
/*
* Copyright (C) 2005-2007 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing
*/
package org.alfresco.service.cmr.attributes;
import java.util.Map;
/**
* An implementation of this is passed into an AttrQuery to aid it
* in generating the actual predicate.
* @author britt
*/
public interface AttrQueryHelper
{
/**
* Get the next integer suffix for named arguments.
* @return The next integer suffix.
*/
public int getNextSuffix();
/**
* As an AttrQuery is generating the predicate, it
* tells this helper about its parameter names and bindings.
* @param name The name of the parameter
* @param value The binding.
*/
public void setParameter(String name, String value);
/**
* Get the parameter bindings for a generated predicate.
* @return The parameter bindings.
*/
public Map<String, String> getParameters();
}

14
source/java/org/alfresco/service/cmr/attributes/AttrQueryLT.java
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@@ -25,8 +25,6 @@
package org.alfresco.service.cmr.attributes;
import org.alfresco.repo.attributes.Attribute;
/**
* Query a less than condition.
* @author britt
@@ -36,19 +34,21 @@ public class AttrQueryLT extends AttrQuery
private static final long serialVersionUID = -2385160490778425115L;
/**
* @param value
* @param name
*/
public AttrQueryLT(Attribute value)
public AttrQueryLT(String name)
{
super(value);
super(name);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttrQuery#getPredicate()
*/
@Override
public String getPredicate()
public String getPredicate(AttrQueryHelper helper)
{
return "ent." + fAttrName + " < " + getValue();
String name = ":name" + helper.getNextSuffix();
helper.setParameter(name, fValue);
return "me.key < " + name;
}
}

10
source/java/org/alfresco/service/cmr/attributes/AttrQueryLTE.java
View File

@@ -25,8 +25,6 @@
package org.alfresco.service.cmr.attributes;
import org.alfresco.repo.attributes.Attribute;
/**
* Less than or equal query
* @author britt
@@ -38,7 +36,7 @@ public class AttrQueryLTE extends AttrQuery
/**
* @param value
*/
public AttrQueryLTE(Attribute value)
public AttrQueryLTE(String value)
{
super(value);
}
@@ -47,8 +45,10 @@ public class AttrQueryLTE extends AttrQuery
* @see org.alfresco.service.cmr.attributes.AttrQuery#getPredicate()
*/
@Override
public String getPredicate()
public String getPredicate(AttrQueryHelper helper)
{
return "ent." + fAttrName + " <= " + getValue();
String name = ":name" + helper.getNextSuffix();
helper.setParameter(name, fValue);
return "me.key <= " + name;
}
}

18
source/java/org/alfresco/service/cmr/attributes/AttrQueryLike.java
View File

@@ -25,8 +25,6 @@
package org.alfresco.service.cmr.attributes;
import org.alfresco.repo.attributes.Attribute;
import org.alfresco.repo.attributes.AttributeUnsupportedQueryType;
/**
* A "like" query.
@@ -37,23 +35,21 @@ public class AttrQueryLike extends AttrQuery
private static final long serialVersionUID = -984397014171296687L;
/**
* @param value
* @param name
*/
public AttrQueryLike(Attribute value)
public AttrQueryLike(String name)
{
super(value);
super(name);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttrQuery#getPredicate()
*/
@Override
public String getPredicate()
public String getPredicate(AttrQueryHelper helper)
{
if (fValue.getType() != Attribute.Type.STRING)
{
throw new AttributeUnsupportedQueryType(fValue.getType().name());
}
return "ent." + fAttrName + " like " + getValue();
String name = ":name" + helper.getNextSuffix();
helper.setParameter(name, fValue);
return "me.key like " + name;
}
}

14
source/java/org/alfresco/service/cmr/attributes/AttrQueryNE.java
View File

@@ -25,8 +25,6 @@
package org.alfresco.service.cmr.attributes;
import org.alfresco.repo.attributes.Attribute;
/**
* Not equals query.
* @author britt
@@ -36,19 +34,21 @@ public class AttrQueryNE extends AttrQuery
private static final long serialVersionUID = 103038173214972590L;
/**
* @param value
* @param name
*/
public AttrQueryNE(Attribute value)
public AttrQueryNE(String name)
{
super(value);
super(name);
}
/* (non-Javadoc)
* @see org.alfresco.service.cmr.attributes.AttrQuery#getPredicate()
*/
@Override
public String getPredicate()
public String getPredicate(AttrQueryHelper helper)
{
return "ent." + fAttrName + " <> " + getValue();
String name = ":name" + helper.getNextSuffix();
helper.setParameter(name, fValue);
return "me.key <> " + name;
}
}

13
source/java/org/alfresco/service/cmr/attributes/AttributeService.java
View File

@@ -27,6 +27,8 @@ package org.alfresco.service.cmr.attributes;
import java.util.List;
import org.alfresco.repo.attributes.Attribute;
/**
* This provides services for reading, writing, and querying global attributes.
* @author britt
@@ -35,24 +37,23 @@ public interface AttributeService
{
/**
* Get a Global Attribute.
* @param path The path of the Attribute. Attribute paths are of the form
* {name}({name}|[index])*
* @param path The path of the Attribute.
* @return The value of the attribute or null.
*/
public Object getValue(String path);
public Attribute getAttribute(String path);
/**
* Set a Global Attribute. Overwrites if it exists.
* @param name The name of the Attribute.
* @param value The value to set.
*/
public void setValue(String path, Object value);
public void setAttribute(String path, Attribute value);
/**
* Remove an Attribute.
* @param name The name of the Attribute.
*/
public void removeValue(String path);
public void removeAttribute(String path);
/**
* Query for a list of attributes which are contained in the container
@@ -61,5 +62,5 @@ public interface AttributeService
* @param query
* @return A List of matching attributes.
*/
public List<Object> query(String path, AttrQuery query);
public List<Attribute> query(String path, AttrQuery query);
}