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Apache ZooKeeper 3.7.0 Server Source Code
Apache ZooKeeper is an open-source server which enables highly
reliable distributed coordination.
Apache ZooKeeper Server Source Code files are provided in the source packge (apache-zookeeper-3.7.0.tar.gz). You can download it at Apache ZooKeeper Website.
You can also browse Apache ZooKeeper Server Source Code below:
✍: FYIcenter.com
⏎ org/apache/zookeeper/OpResult.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.zookeeper; import java.util.Arrays; import java.util.List; import org.apache.zookeeper.data.Stat; /** * Encodes the result of a single part of a multiple operation commit. */ public abstract class OpResult { private int type; private OpResult(int type) { this.type = type; } /** * Encodes the return type as from ZooDefs.OpCode. Can be used * to dispatch to the correct cast needed for getting the desired * additional result data. * @see ZooDefs.OpCode * @return an integer identifying what kind of operation this result came from. */ public int getType() { return type; } /** * A result from a create operation. This kind of result allows the * path to be retrieved since the create might have been a sequential * create. */ public static class CreateResult extends OpResult { private String path; private Stat stat; public CreateResult(String path) { this(ZooDefs.OpCode.create, path, null); } public CreateResult(String path, Stat stat) { this(ZooDefs.OpCode.create2, path, stat); } private CreateResult(int opcode, String path, Stat stat) { super(opcode); this.path = path; this.stat = stat; } public String getPath() { return path; } public Stat getStat() { return stat; } @Override public boolean equals(Object o) { if (this == o) { return true; } if (!(o instanceof CreateResult)) { return false; } CreateResult other = (CreateResult) o; boolean statsAreEqual = stat == null && other.stat == null || (stat != null && other.stat != null && stat.getMzxid() == other.stat.getMzxid()); return getType() == other.getType() && path.equals(other.getPath()) && statsAreEqual; } @Override public int hashCode() { return (int) (getType() * 35 + path.hashCode() + (stat == null ? 0 : stat.getMzxid())); } } /** * A result from a delete operation. No special values are available. */ public static class DeleteResult extends OpResult { public DeleteResult() { super(ZooDefs.OpCode.delete); } @Override public boolean equals(Object o) { if (this == o) { return true; } if (!(o instanceof DeleteResult)) { return false; } DeleteResult opResult = (DeleteResult) o; return getType() == opResult.getType(); } @Override public int hashCode() { return getType(); } } /** * A result from a setData operation. This kind of result provides access * to the Stat structure from the update. */ public static class SetDataResult extends OpResult { private Stat stat; public SetDataResult(Stat stat) { super(ZooDefs.OpCode.setData); this.stat = stat; } public Stat getStat() { return stat; } @Override public boolean equals(Object o) { if (this == o) { return true; } if (!(o instanceof SetDataResult)) { return false; } SetDataResult other = (SetDataResult) o; return getType() == other.getType() && stat.getMzxid() == other.stat.getMzxid(); } @Override public int hashCode() { return (int) (getType() * 35 + stat.getMzxid()); } } /** * A result from a version check operation. No special values are available. */ public static class CheckResult extends OpResult { public CheckResult() { super(ZooDefs.OpCode.check); } @Override public boolean equals(Object o) { if (this == o) { return true; } if (!(o instanceof CheckResult)) { return false; } CheckResult other = (CheckResult) o; return getType() == other.getType(); } @Override public int hashCode() { return getType(); } } /** * A result from a getChildren operation. Provides a list which contains * the names of the children of a given node. */ public static class GetChildrenResult extends OpResult { private List<String> children; public GetChildrenResult(List<String> children) { super(ZooDefs.OpCode.getChildren); this.children = children; } public List<String> getChildren() { return children; } @Override public boolean equals(Object o) { if (this == o) { return true; } if (!(o instanceof GetChildrenResult)) { return false; } GetChildrenResult other = (GetChildrenResult) o; return getType() == other.getType() && children.equals(other.children); } @Override public int hashCode() { return getType() * 35 + children.hashCode(); } } /** * A result from a getData operation. The data is represented as a byte array. */ public static class GetDataResult extends OpResult { private byte[] data; private Stat stat; public GetDataResult(byte[] data, Stat stat) { super(ZooDefs.OpCode.getData); this.data = (data == null ? null : Arrays.copyOf(data, data.length)); this.stat = stat; } public byte[] getData() { return data == null ? null : Arrays.copyOf(data, data.length); } public Stat getStat() { return stat; } @Override public boolean equals(Object o) { if (this == o) { return true; } if (!(o instanceof GetDataResult)) { return false; } GetDataResult other = (GetDataResult) o; return getType() == other.getType() && stat.equals(other.stat) && Arrays.equals(data, other.data); } @Override public int hashCode() { return (int) (getType() * 35 + stat.getMzxid() + Arrays.hashCode(data)); } } /** * An error result from any kind of operation. The point of error results * is that they contain an error code which helps understand what happened. * @see KeeperException.Code * */ public static class ErrorResult extends OpResult { private int err; public ErrorResult(int err) { super(ZooDefs.OpCode.error); this.err = err; } public int getErr() { return err; } @Override public boolean equals(Object o) { if (this == o) { return true; } if (!(o instanceof ErrorResult)) { return false; } ErrorResult other = (ErrorResult) o; return getType() == other.getType() && err == other.getErr(); } @Override public int hashCode() { return getType() * 35 + err; } } }
⏎ org/apache/zookeeper/OpResult.java
Or download all of them as a single archive file:
File name: zookeeper-server-3.7.0-fyi.zip File size: 871011 bytes Release date: 2021-05-17 Download
⇒ Apache ZooKeeper 3.7.0 Jute Source Code
⇐ Download Apache ZooKeeper 3.7.0 Source Package
2022-11-16, 25593👍, 0💬
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