ObjectKey.java
/*
* Copyright (C) 2003-2012 eXo Platform SAS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.exoplatform.services.pdfviewer;
import java.io.Serializable;
/**
* Create key for cache. When key object is collected by GC, value (if is file) will be delete.
*/
public class ObjectKey implements Serializable{
private static final long serialVersionUID = -1075842770773918554L;
String key;
public ObjectKey(String key) {
this.key = key;
}
@Override
public String toString() {
return key;
}
public String getKey() {
return key;
}
@Override
public int hashCode() {
return key == null ? -1 : key.hashCode();
}
@Override
public boolean equals(Object otherKey) {
if (otherKey != null && ObjectKey.class.isInstance(otherKey)
&& (key != null) && (key.equals(((ObjectKey) (otherKey)).getKey()))) {
return true;
}
return false;
}
}