/*
 * Copyright 2015 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.
 * 
 *      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.compiler;

import java.util.AbstractSet;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

public class MockPersistentSet extends AbstractSet implements Set
{

    private Set set;

    private boolean exception;

    public MockPersistentSet()
    {
        exception = true;
        set = new HashSet();
    }

    public MockPersistentSet(boolean exception)
    {
        this.exception = exception;
        set = new HashSet();
    }

    public int size()
    {
        return set.size();
    }

    public Iterator iterator()
    {
        return set.iterator();
    }

    public boolean addAll(Collection c)
    {
        if (exception)
            throw new MockPersistentSetException("error message like PersistentSet");
        return set.addAll(c);
    }

}