org.codehaus.groovy.control.Janitor Maven / Gradle / Ivy
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* 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.codehaus.groovy.control;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
/**
* An agent that can be used to defer cleanup operations to
* a later time. Users much implement the HasCleanup interface.
*
* @author Chris Poirier
*/
public class Janitor implements HasCleanup
{
private final Set pending = new HashSet(); // All objects pending cleanup
public void register( HasCleanup object )
{
pending.add( object );
}
public void cleanup()
{
Iterator iterator = pending.iterator();
while( iterator.hasNext() )
{
HasCleanup object = (HasCleanup)iterator.next();
try { object.cleanup(); } catch( Exception e ) {
// Ignore
}
}
pending.clear();
}
}