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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
✍: FYIcenter.com
⏎ org/apache/commons/collections4/sequence/CommandVisitor.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.sequence; /** * This interface should be implemented by user object to walk * through {@link EditScript EditScript} objects. * <p> * Users should implement this interface in order to walk through * the {@link EditScript EditScript} object created by the comparison * of two sequences. This is a direct application of the visitor * design pattern. The {@link EditScript#visit EditScript.visit} * method takes an object implementing this interface as an argument, * it will perform the loop over all commands in the script and the * proper methods of the user class will be called as the commands are * encountered. * <p> * The implementation of the user visitor class will depend on the * need. Here are two examples. * <p> * The first example is a visitor that build the longest common * subsequence: * <pre> * import org.apache.commons.collections4.comparators.sequence.CommandVisitor; * * import java.util.ArrayList; * * public class LongestCommonSubSequence implements CommandVisitor { * * public LongestCommonSubSequence() { * a = new ArrayList(); * } * * public void visitInsertCommand(Object object) { * } * * public void visitKeepCommand(Object object) { * a.add(object); * } * * public void visitDeleteCommand(Object object) { * } * * public Object[] getSubSequence() { * return a.toArray(); * } * * private ArrayList a; * * } * </pre> * <p> * The second example is a visitor that shows the commands and the way * they transform the first sequence into the second one: * <pre> * import org.apache.commons.collections4.comparators.sequence.CommandVisitor; * * import java.util.Arrays; * import java.util.ArrayList; * import java.util.Iterator; * * public class ShowVisitor implements CommandVisitor { * * public ShowVisitor(Object[] sequence1) { * v = new ArrayList(); * v.addAll(Arrays.asList(sequence1)); * index = 0; * } * * public void visitInsertCommand(Object object) { * v.insertElementAt(object, index++); * display("insert", object); * } * * public void visitKeepCommand(Object object) { * ++index; * display("keep ", object); * } * * public void visitDeleteCommand(Object object) { * v.remove(index); * display("delete", object); * } * * private void display(String commandName, Object object) { * System.out.println(commandName + " " + object + " ->" + this); * } * * public String toString() { * StringBuffer buffer = new StringBuffer(); * for (Iterator iter = v.iterator(); iter.hasNext();) { * buffer.append(' ').append(iter.next()); * } * return buffer.toString(); * } * * private ArrayList v; * private int index; * * } * </pre> * * @since 4.0 */ public interface CommandVisitor<T> { /** * Method called when an insert command is encountered. * * @param object object to insert (this object comes from the second sequence) */ void visitInsertCommand(T object); /** * Method called when a keep command is encountered. * * @param object object to keep (this object comes from the first sequence) */ void visitKeepCommand(T object); /** * Method called when a delete command is encountered. * * @param object object to delete (this object comes from the first sequence) */ void visitDeleteCommand(T object); }
⏎ org/apache/commons/collections4/sequence/CommandVisitor.java
Or download all of them as a single archive file:
File name: commons-collections4-4.2-sources.jar File size: 708599 bytes Release date: 2018-07-08 Download
⇒ Download and Install commons-collections4-4.1-bin.zip
⇐ What Is commons-collections4-4.2.jar
2023-03-28, 20788👍, 0💬
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