001/*
002 * Licensed to the author under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package de.cuioss.test.generator.internal.net.java.quickcheck.generator.support;
018
019import static de.cuioss.tools.collect.CollectionLiterals.mutableList;
020
021import java.util.Collection;
022import java.util.Objects;
023
024import de.cuioss.test.generator.internal.net.java.quickcheck.Generator;
025
026public class ExcludingGenerator<T> extends VetoableGenerator<T> {
027
028    private final Collection<T> excluded;
029
030    public ExcludingGenerator(Generator<T> generator, Iterable<T> excluded, int tries) {
031        super(generator, tries);
032        Objects.requireNonNull(excluded, "excluded");
033        this.excluded = mutableList(excluded);
034    }
035
036    @Override
037    protected boolean tryValue(T value) {
038        return !excluded.contains(value);
039    }
040
041}