SetFactTypeFilter.java

/*
 * Copyright 2010 JBoss Inc
 *
 * 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.guvnor.client.modeldriven;

import java.util.Collections;
import java.util.Set;

import org.drools.ide.common.client.modeldriven.FactTypeFilter;

public class SetFactTypeFilter implements FactTypeFilter {

	private static final long serialVersionUID = 510l;
	private final Set<String> validFacts;

	public SetFactTypeFilter() {
		validFacts = Collections.emptySet();
	}
	
	public SetFactTypeFilter(Set<String> validFacts) {
		this.validFacts = validFacts;
	}

	public boolean filter(String originalFact) {
	    return !validFacts.contains(originalFact);
	}
}