RM-1121 (Move behaviour annotation framework into core)

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/modules/recordsmanagement/HEAD@83466 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Tuna Aksoy
2014-09-05 16:10:39 +00:00
parent 27eb8b82cb
commit e40704f7a1
5 changed files with 0 additions and 426 deletions

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/*
* Copyright (C) 2005-2014 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
package org.alfresco.repo.policy.annotation;
import java.lang.reflect.Method;
import org.alfresco.repo.policy.JavaBehaviour;
import org.alfresco.repo.policy.PolicyComponent;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.service.namespace.QName;
import org.alfresco.util.ParameterCheck;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.config.BeanPostProcessor;
/**
* Annotated behaviour bean post processor.
* <p>
* Registers the annotated methods on behaviour beans with the policy component.
*
* @author Roy Wetherall
*/
public class AnnotatedBehaviourPostProcessor implements BeanPostProcessor
{
/** logger */
private static Log logger = LogFactory.getLog(AnnotatedBehaviourPostProcessor.class);
/** policy component */
private PolicyComponent policyComponent;
/** namespace service */
private NamespaceService namespaceService;
/**
* @param policyComponent policy component
*/
public void setPolicyComponent(PolicyComponent policyComponent)
{
this.policyComponent = policyComponent;
}
/**
* @param namespaceService namespace service
*/
public void setNamespaceService(NamespaceService namespaceService)
{
this.namespaceService = namespaceService;
}
/**
* @see org.springframework.beans.factory.config.BeanPostProcessor#postProcessAfterInitialization(java.lang.Object, java.lang.String)
*/
@Override
public Object postProcessAfterInitialization(Object bean, String beanName)
{
// register annotated behavior methods
registerBehaviours(bean, beanName);
// return the bean
return bean;
}
/**
* @see org.springframework.beans.factory.config.BeanPostProcessor#postProcessBeforeInitialization(java.lang.Object, java.lang.String)
*/
@Override
public Object postProcessBeforeInitialization(Object bean, String beanName)
{
// do nothing
return bean;
}
/**
* Register behaviours.
*
* @param bean bean
* @param beanName bean name
*/
private void registerBehaviours(Object bean, String beanName)
{
if (bean.getClass().isAnnotationPresent(BehaviourBean.class))
{
BehaviourBean behaviourBean = bean.getClass().getAnnotation(BehaviourBean.class);
if (logger.isDebugEnabled())
{
logger.debug("Annotated behaviour post processing for " + beanName);
}
Method[] methods = bean.getClass().getMethods();
for (Method method : methods)
{
if (method.isAnnotationPresent(Behaviour.class))
{
registerBehaviour(behaviourBean, bean, beanName, method);
}
}
}
}
/**
* Register behaviour.
*
* @param behaviourBean behaviour bean annotation
* @param bean bean
* @param beanName bean name
* @param method method
*/
private void registerBehaviour(BehaviourBean behaviourBean, Object bean, String beanName, Method method)
{
Behaviour behaviour = method.getAnnotation(Behaviour.class);
QName policy = resolvePolicy(behaviour.policy(), method);
QName type = resolveType(behaviourBean, behaviour);
// assert that the policy and type have been set!!
ParameterCheck.mandatory("policy", policy);
if (!behaviour.isService())
{
ParameterCheck.mandatory("type", type);
}
if (logger.isDebugEnabled())
{
if (!behaviour.isService())
{
logger.debug(" ... binding " + behaviour.kind() + " behaviour for " + beanName + "." + method.getName() +
" for policy " + policy.toString() +
" and type " + type.toString());
}
else
{
logger.debug(" ... binding " + behaviour.kind() + " service behaviour for " + beanName + "." + method.getName() +
" for policy " + policy.toString());
}
}
// create java behaviour object
JavaBehaviour javaBehaviour = new JavaBehaviour(bean, method.getName(), behaviour.notificationFrequency());
// determine whether we should register the behaviour
if (bean instanceof BehaviourRegistry && !behaviour.name().isEmpty())
{
if (logger.isDebugEnabled())
{
logger.debug(" ... adding behaviour to registry with name " + behaviour.name());
}
((BehaviourRegistry)bean).registerBehaviour(behaviour.name(), javaBehaviour);
}
// deal with class behaviours
if (BehaviourKind.CLASS.equals(behaviour.kind()))
{
if (!behaviour.isService())
{
// bind class behaviour for given type
policyComponent.bindClassBehaviour(policy, type, javaBehaviour);
}
else
{
// bind class service behaviour
policyComponent.bindClassBehaviour(policy, bean, javaBehaviour);
}
}
// deal with association behaviours
else if (BehaviourKind.ASSOCIATION.equals(behaviour.kind()))
{
if (!behaviour.isService())
{
// bind association behaviour for given type and assoc type
policyComponent.bindAssociationBehaviour(policy,
type,
toQName(behaviour.assocType()),
javaBehaviour);
}
else
{
// bind association service behaviour
policyComponent.bindAssociationBehaviour(policy, bean, javaBehaviour);
}
}
}
/**
* Resolve the policy qname, defaulting to the qualified name of the method if none specified.
*
* @param policyName policy name
* @param method method
* @return {@link QName} qualified name of the policy
*/
private QName resolvePolicy(String policyName, Method method)
{
QName policy = null;
if (policyName.isEmpty())
{
policy = QName.createQName(NamespaceService.ALFRESCO_URI, method.getName());
}
else
{
policy = toQName(policyName);
}
return policy;
}
/**
*
* @param behaviourBean
* @param typeName
* @return
*/
private QName resolveType(BehaviourBean behaviourBean, Behaviour behaviour)
{
QName type = null;
if (!behaviour.isService())
{
if (behaviour.type().isEmpty())
{
// get default
type = toQName(behaviourBean.defaultType());
}
else
{
// convert set
type = toQName(behaviour.type());
}
}
return type;
}
/**
*
* @param name
* @return
*/
private QName toQName(String name)
{
return QName.createQName(name, namespaceService);
}
}

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/*
* Copyright (C) 2005-2014 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
package org.alfresco.repo.policy.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.alfresco.repo.policy.Behaviour.NotificationFrequency;
/**
* Behaviour method annotation.
*
* @author Roy Wetherall
*/
@Target(value = ElementType.METHOD)
@Retention(value = RetentionPolicy.RUNTIME)
public @interface Behaviour
{
/** lookup name of the behaviour, if none specified behaviour is not recorded in the registry */
String name() default "";
/** kind of behaviour */
BehaviourKind kind();
/** qualified name of policy */
String policy() default "";
/** indicates whether this is a service behaviour or not */
boolean isService() default false;
/** qualified name of type/aspect */
String type() default "";
/** qualified name of association */
String assocType() default "cm:contains";
/** notification frequency */
NotificationFrequency notificationFrequency() default NotificationFrequency.EVERY_EVENT;
}

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/*
* Copyright (C) 2005-2014 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
package org.alfresco.repo.policy.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* @author Roy Wetherall
*/
@Target(value = ElementType.TYPE)
@Retention(value = RetentionPolicy.RUNTIME)
public @interface BehaviourBean
{
/** qualified name of type/aspect */
String defaultType() default "";
}

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/*
* Copyright (C) 2005-2014 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
package org.alfresco.repo.policy.annotation;
/**
* Enumeration describing the different kinds of behaviour.
*
* @author Roy Wetherall
* @since 2.2
*/
public enum BehaviourKind
{
CLASS,
ASSOCIATION
}

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/*
* Copyright (C) 2005-2014 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
package org.alfresco.repo.policy.annotation;
import org.alfresco.repo.policy.Behaviour;
/**
* Interface for a behaviour registry.
*
* @author Roy Wetherall
* @since 2.2
*/
public interface BehaviourRegistry
{
/**
* Register a behaviour against a given name.
*
* @param behaviour behaviour
*/
void registerBehaviour(String name, Behaviour behaviour);
/**
* Gets the behaviour for a given name.
*
* @param name behaviour name
* @return {@link Behaviour} behaviour, null otherwise
*/
Behaviour getBehaviour(String name);
}