/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jackrabbit.core.retention;
import javax.jcr.retention.RetentionPolicy;
import org.apache.jackrabbit.core.id.NodeId;
import org.apache.jackrabbit.spi.Name;
import org.apache.jackrabbit.spi.commons.conversion.NameResolver;
import org.apache.jackrabbit.spi.commons.conversion.IllegalNameException;
import org.apache.jackrabbit.spi.commons.conversion.DefaultNamePathResolver;
import javax.jcr.RepositoryException;
import javax.jcr.NamespaceException;
import javax.jcr.Session;
/**
* Basic implementation of the <code>RetentionPolicy</code> interface.
*/
public class RetentionPolicyImpl implements RetentionPolicy {
private final Name name;
private final NodeId nodeId;
private final NameResolver resolver;
private int hashCode = 0;
/**
* Creates a new <code>RetentionPolicy</code> that can be applied to a
* <code>Node</code> using {@link javax.jcr.retention.RetentionManager#setRetentionPolicy(String, javax.jcr.retention.RetentionPolicy)}.
*
* @param jcrName The name of the policy. It must be a valid JCR name.
* @param session The editing <code>Session</code> from which the retention
* manager will be obtained.
* @return a new <code>RetentionPolicy</code>
* @throws RepositoryException If the jcr name isn't valid or if same other
* error occurs.
*/
public static RetentionPolicy createRetentionPolicy(String jcrName, Session session) throws RepositoryException {
NameResolver resolver;
if (session instanceof NameResolver) {
resolver = (NameResolver) session;
} else {
resolver = new DefaultNamePathResolver(session);
}
return new RetentionPolicyImpl(jcrName, null, resolver);
}
RetentionPolicyImpl(String jcrName, NodeId nodeId, NameResolver resolver) throws IllegalNameException, NamespaceException {
this(resolver.getQName(jcrName), nodeId, resolver);
}
private RetentionPolicyImpl(Name name, NodeId nodeId, NameResolver resolver) {
this.name = name;
this.nodeId = nodeId;
this.resolver = resolver;
}
NodeId getNodeId() {
return nodeId;
}
//----------------------------------------------------< RetentionPolicy >---
/**
* @see javax.jcr.retention.RetentionPolicy#getName()
*/
public String getName() throws RepositoryException {
return resolver.getJCRName(name);
}
//-------------------------------------------------------------< Object >---
/**
* @see Object#hashCode()
*/
@Override
public int hashCode() {
if (hashCode == 0) {
int h = 17;
h = 37 * h + name.hashCode();
h = 37 * h + nodeId.hashCode();
hashCode = h;
}
return hashCode;
}
/**
* @see Object#equals(Object)
*/
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof RetentionPolicyImpl) {
RetentionPolicyImpl other = (RetentionPolicyImpl) obj;
return name.equals(other.name) && ((nodeId == null) ? other.nodeId == null : nodeId.equals(other.nodeId));
}
return false;
}
}