org.picocontainer.gems.constraints.IsKey Maven / Gradle / Ivy
/*****************************************************************************
* Copyright (C) PicoContainer Organization. All rights reserved. *
* ------------------------------------------------------------------------- *
* The software in this package is published under the terms of the BSD *
* style license a copy of which has been included with this distribution in *
* the LICENSE.txt file. *
*****************************************************************************/
package org.picocontainer.gems.constraints;
import org.picocontainer.ComponentAdapter;
/**
* Constraint that accepts an adapter of a specific key.
*
* @author Nick Sieger
*/
@SuppressWarnings("serial")
public final class IsKey extends AbstractConstraint {
private final Object key;
/**
* Creates a new IsKey instance.
*
* @param key the key to match
*/
public IsKey(final Object key) {
this.key = key;
}
@Override
public boolean evaluate(final ComponentAdapter adapter) {
return key.equals(adapter.getComponentKey());
}
}