/**
* Copyright 2010 JBoss Inc
*
* Licensed 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.drools.repository;
import javax.jcr.Node;
import javax.jcr.PropertyIterator;
import javax.jcr.RepositoryException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The StateItem represents the status of an asset.
* An asset can only be in 1 state at a time. Kind of for workflow.
*
*
* @author btruitt
*/
public class StateItem extends Item {
private Logger log = LoggerFactory.getLogger( StateItem.class );
/**
* All assets when created, or a new version saved, have a status of Draft.
*/
public static final String DRAFT_STATE_NAME = "Draft";
/**
* The name of the state node type
*/
public static final String STATE_NODE_TYPE_NAME = "drools:stateNodeType";
/**
* Constructs an object of type StateItem corresponding the specified node
*
* @param rulesRepository the rulesRepository that instantiated this object
* @param node the node to which this object corresponds
* @throws RulesRepositoryException
*/
public StateItem(RulesRepository rulesRepository,
Node node) throws RulesRepositoryException {
super( rulesRepository,
node );
try {
//make sure this node is a state node
if ( !(this.node.getPrimaryNodeType().getName().equals( STATE_NODE_TYPE_NAME )) ) {
String message = this.node.getName() + " is not a node of type " + STATE_NODE_TYPE_NAME + ". It is a node of type: " + this.node.getPrimaryNodeType().getName();
log.error( message );
throw new RulesRepositoryException( message );
}
} catch ( Exception e ) {
log.error( "Caught exception: " + e );
throw new RulesRepositoryException( e );
}
}
public boolean equals(Object in) {
if ( !(in instanceof StateItem) ) {
return false;
} else if ( in == this ) {
return true;
} else {
StateItem other = (StateItem) in;
return this.getName().equals( other.getName() );
}
}
public String toString() {
return "Current status: [" + getName() + "] (" + super.toString() + ")";
}
public int hashCode() {
return getName().hashCode();
}
public void remove() {
try {
PropertyIterator pi = this.node.getReferences();
if ( pi.hasNext() ) {
throw new RulesRepositoryException( "The status still has some assets linked to it. You will need to remove the links so you can delete the status." );
}
this.node.remove();
} catch ( RepositoryException e ) {
log.error( "Unable to remove state item.", e );
}
}
}