UUIDKeySet.java

/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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.workbench.services.verifier.api.client.maps;

import java.util.Collection;
import java.util.HashSet;

import org.drools.workbench.services.verifier.api.client.index.keys.UUIDKey;

public class UUIDKeySet
        extends HashSet<UUIDKey>
        implements RetractHandler {

    private KeyTreeMap keyTreeMap;

    public UUIDKeySet( final KeyTreeMap keyTreeMap ) {
        this.keyTreeMap = keyTreeMap;
    }

    public UUIDKeySet() {
    }

    @Override
    public boolean add( final UUIDKey uuidKey ) {

        uuidKey.addRetractHandler( this );

        return super.add( uuidKey );
    }

    @Override
    public boolean addAll( final Collection<? extends UUIDKey> keys ) {
        for ( final UUIDKey uuidKey : keys ) {
            uuidKey.addRetractHandler( this );
        }

        return super.addAll( keys );
    }

    @Override
    public void retract( final UUIDKey uuidKey ) {
        keyTreeMap.remove( uuidKey );
    }
}