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/InstanceofPredicate.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.io.Serializable;

import org.apache.commons.collections4.Predicate;

/**
 * Predicate implementation that returns true if the input is an instanceof
 * the type stored in this predicate.
 *
 * @since 3.0
 */
public final class InstanceofPredicate implements Predicate<Object>, Serializable {

    /** Serial version UID */
    private static final long serialVersionUID = -6682656911025165584L;

    /** The type to compare to */
    private final Class<?> iType;

    /**
     * Factory to create the identity predicate.
     *
     * @param type  the type to check for, may not be null
     * @return the predicate
     * @throws NullPointerException if the class is null
     */
    public static Predicate<Object> instanceOfPredicate(final Class<?> type) {
        if (type == null) {
            throw new NullPointerException("The type to check instanceof must not be null");
        }
        return new InstanceofPredicate(type);
    }

    /**
     * Constructor that performs no validation.
     * Use <code>instanceOfPredicate</code> if you want that.
     *
     * @param type  the type to check for
     */
    public InstanceofPredicate(final Class<?> type) {
        super();
        iType = type;
    }

    /**
     * Evaluates the predicate returning true if the input object is of the correct type.
     *
     * @param object  the input object
     * @return true if input is of stored type
     */
    @Override
    public boolean evaluate(final Object object) {
        return iType.isInstance(object);
    }

    /**
     * Gets the type to compare to.
     *
     * @return the type
     * @since 3.1
     */
    public Class<?> getType() {
        return iType;
    }

}

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

 

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