commons-collections4-4.2-sources.jar - Apache Commons Collections

commons-collections4-4.2-sources.jar is the source JAR file for Apache Commons Collections 4.2, which provides additional collection handling functionalities on top of JDK library.

JAR File Size and Download Location:

JAR name: commons-collections4-4.2-sources.jar
Target JDK version: 1.7
Dependency: None
File size: 708,599 bytes
Release date: 08-Jul-2018
Download: Apache Commons Collections

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org/apache/commons/collections4/functors/AnyPredicate.java

/*
 * 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.commons.collections4.functors;

import java.util.Collection;

import org.apache.commons.collections4.Predicate;

/**
 * Predicate implementation that returns true if any of the
 * predicates return true.
 * If the array of predicates is empty, then this predicate returns false.
 * <p>
 * NOTE: In versions prior to 3.2 an array size of zero or one
 * threw an exception.
 *
 * @since 3.0
 */
public final class AnyPredicate<T> extends AbstractQuantifierPredicate<T> {

    /** Serial version UID */
    private static final long serialVersionUID = 7429999530934647542L;

    /**
     * Factory to create the predicate.
     * <p>
     * If the array is size zero, the predicate always returns false.
     * If the array is size one, then that predicate is returned.
     *
     * @param <T> the type that the predicate queries
     * @param predicates  the predicates to check, cloned, not null
     * @return the <code>any</code> predicate
     * @throws NullPointerException if the predicates array is null
     * @throws NullPointerException if any predicate in the array is null
     */
    @SuppressWarnings("unchecked")
    public static <T> Predicate<T> anyPredicate(final Predicate<? super T>... predicates) {
        FunctorUtils.validate(predicates);
        if (predicates.length == 0) {
            return FalsePredicate.<T>falsePredicate();
        }
        if (predicates.length == 1) {
            return (Predicate<T>) predicates[0];
        }
        return new AnyPredicate<>(FunctorUtils.copy(predicates));
    }

    /**
     * Factory to create the predicate.
     * <p>
     * If the collection is size zero, the predicate always returns false.
     * If the collection is size one, then that predicate is returned.
     *
     * @param <T> the type that the predicate queries
     * @param predicates  the predicates to check, cloned, not null
     * @return the <code>all</code> predicate
     * @throws NullPointerException if the predicates array is null
     * @throws NullPointerException if any predicate in the array is null
     */
    @SuppressWarnings("unchecked")
    public static <T> Predicate<T> anyPredicate(final Collection<? extends Predicate<? super T>> predicates) {
        final Predicate<? super T>[] preds = FunctorUtils.validate(predicates);
        if (preds.length == 0) {
            return FalsePredicate.<T>falsePredicate();
        }
        if (preds.length == 1) {
            return (Predicate<T>) preds[0];
        }
        return new AnyPredicate<>(preds);
    }

    /**
     * Constructor that performs no validation.
     * Use <code>anyPredicate</code> if you want that.
     *
     * @param predicates  the predicates to check, not cloned, not null
     */
    public AnyPredicate(final Predicate<? super T>... predicates) {
        super(predicates);
    }

    /**
     * Evaluates the predicate returning true if any predicate returns true.
     *
     * @param object  the input object
     * @return true if any decorated predicate return true
     */
    @Override
    public boolean evaluate(final T object) {
        for (final Predicate<? super T> iPredicate : iPredicates) {
            if (iPredicate.evaluate(object)) {
                return true;
            }
        }
        return false;
    }

}

org/apache/commons/collections4/functors/AnyPredicate.java

 

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