/*!
* Copyright 2010 - 2015 Pentaho Corporation. All rights reserved.
*
* 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.pentaho.di.repository.pur;
import java.lang.ref.SoftReference;
import org.pentaho.di.repository.RepositoryDirectoryInterface;
public class RootRef {
private SoftReference<RepositoryDirectoryInterface> rootRef = null;
public synchronized void setRef( RepositoryDirectoryInterface ref ) {
rootRef = new SoftReference<RepositoryDirectoryInterface>( ref );
}
public synchronized RepositoryDirectoryInterface getRef() {
return rootRef == null ? null : rootRef.get();
}
public synchronized void clearRef() {
rootRef = null;
}
}