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Collections:
Other Resources:
commons-collections4-4.4-sources.jar - Apache Commons Collections
commons-collections4-4.4-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-collections4-4.4-sources.jar Target JDK version: 8 Dependency: None File size: 715,541 bytes Release date: 05-Jul-2019 Download: Apache Commons Collections
✍: FYIcenter.com
⏎ org/apache/commons/collections4/functors/UniquePredicate.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 java.util.HashSet; import java.util.Set; import org.apache.commons.collections4.Predicate; /** * Predicate implementation that returns true the first time an object is * passed into the predicate. * * @since 3.0 */ public final class UniquePredicate<T> implements Predicate<T>, Serializable { /** Serial version UID */ private static final long serialVersionUID = -3319417438027438040L; /** The set of previously seen objects */ private final Set<T> iSet = new HashSet<>(); /** * Factory to create the predicate. * * @param <T> the type that the predicate queries * @return the predicate * @throws IllegalArgumentException if the predicate is null */ public static <T> Predicate<T> uniquePredicate() { return new UniquePredicate<>(); } /** * Constructor that performs no validation. * Use <code>uniquePredicate</code> if you want that. */ public UniquePredicate() { super(); } /** * Evaluates the predicate returning true if the input object hasn't been * received yet. * * @param object the input object * @return true if this is the first time the object is seen */ @Override public boolean evaluate(final T object) { return iSet.add(object); } }
⏎ org/apache/commons/collections4/functors/UniquePredicate.java
Or download all of them as a single archive file:
File name: commons-collections4-4.4-sources.jar File size: 715541 bytes Release date: 2019-07-05 Download
⇒ Download and Install commons-collections4-4.2-bin.zip
⇐ What Is commons-collections4-4.4.jar
2020-12-15, 101972👍, 0💬
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