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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.brooklyn.util.collections;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.annotation.Nullable;
import org.apache.brooklyn.util.collections.QuorumCheck.QuorumChecks;
import com.google.common.base.Function;
import com.google.common.base.Functions;
import com.google.common.base.Preconditions;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.base.Supplier;
import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;
/** things which it seems should be in guava, but i can't find
* @author alex */
public class CollectionFunctionals {
private static final class EqualsSetPredicate implements Predicate> {
private final Iterable target;
private EqualsSetPredicate(Iterable target) {
this.target = target;
}
@Override
public boolean apply(@Nullable Iterable input) {
if (input==null) return false;
return Sets.newHashSet(target).equals(Sets.newHashSet(input));
}
}
private static final class KeysOfMapFunction implements Function