| /* |
| * 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.iotdb.commons.pipe.plugin.meta; |
| |
| import org.apache.iotdb.tsfile.utils.PublicBAOS; |
| import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.ByteBuffer; |
| import java.util.Objects; |
| |
| public class PipePluginMeta { |
| |
| private final String pluginName; |
| private final String className; |
| |
| // jarName and jarMD5 are used to identify the jar file. |
| // they could be null if the plugin is built-in. they should be both null or both not null. |
| private final boolean isBuiltin; |
| private final String jarName; |
| private final String jarMD5; |
| |
| public PipePluginMeta( |
| String pluginName, String className, boolean isBuiltin, String jarName, String jarMD5) { |
| this.pluginName = Objects.requireNonNull(pluginName).toUpperCase(); |
| this.className = Objects.requireNonNull(className); |
| |
| this.isBuiltin = isBuiltin; |
| if (isBuiltin) { |
| this.jarName = jarName; |
| this.jarMD5 = jarMD5; |
| } else { |
| this.jarName = Objects.requireNonNull(jarName); |
| this.jarMD5 = Objects.requireNonNull(jarMD5); |
| } |
| } |
| |
| public PipePluginMeta(String pluginName, String className) { |
| this.pluginName = Objects.requireNonNull(pluginName).toUpperCase(); |
| this.className = Objects.requireNonNull(className); |
| |
| this.isBuiltin = true; |
| this.jarName = null; |
| this.jarMD5 = null; |
| } |
| |
| public boolean isBuiltin() { |
| return isBuiltin; |
| } |
| |
| public String getPluginName() { |
| return pluginName; |
| } |
| |
| public String getClassName() { |
| return className; |
| } |
| |
| public String getJarName() { |
| return jarName; |
| } |
| |
| public String getJarMD5() { |
| return jarMD5; |
| } |
| |
| public ByteBuffer serialize() throws IOException { |
| PublicBAOS byteArrayOutputStream = new PublicBAOS(); |
| DataOutputStream outputStream = new DataOutputStream(byteArrayOutputStream); |
| serialize(outputStream); |
| return ByteBuffer.wrap(byteArrayOutputStream.getBuf(), 0, byteArrayOutputStream.size()); |
| } |
| |
| public void serialize(DataOutputStream outputStream) throws IOException { |
| ReadWriteIOUtils.write(pluginName, outputStream); |
| ReadWriteIOUtils.write(className, outputStream); |
| ReadWriteIOUtils.write(isBuiltin, outputStream); |
| ReadWriteIOUtils.write(jarName, outputStream); |
| ReadWriteIOUtils.write(jarMD5, outputStream); |
| } |
| |
| public static PipePluginMeta deserialize(ByteBuffer byteBuffer) { |
| final String pluginName = ReadWriteIOUtils.readString(byteBuffer); |
| final String className = ReadWriteIOUtils.readString(byteBuffer); |
| final boolean isBuiltin = ReadWriteIOUtils.readBool(byteBuffer); |
| final String jarName = ReadWriteIOUtils.readString(byteBuffer); |
| final String jarMD5 = ReadWriteIOUtils.readString(byteBuffer); |
| return new PipePluginMeta(pluginName, className, isBuiltin, jarName, jarMD5); |
| } |
| |
| public static PipePluginMeta deserialize(InputStream inputStream) throws IOException { |
| return deserialize( |
| ByteBuffer.wrap(ReadWriteIOUtils.readBytesWithSelfDescriptionLength(inputStream))); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null || getClass() != obj.getClass()) { |
| return false; |
| } |
| PipePluginMeta that = (PipePluginMeta) obj; |
| return pluginName.equals(that.pluginName) |
| && className.equals(that.className) |
| && isBuiltin == that.isBuiltin |
| && Objects.equals(jarName, that.jarName) |
| && Objects.equals(jarMD5, that.jarMD5); |
| } |
| |
| @Override |
| public int hashCode() { |
| return pluginName.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return "PipePluginMeta{" |
| + "pluginName='" |
| + pluginName |
| + '\'' |
| + ", className='" |
| + className |
| + '\'' |
| + ", isBuiltin=" |
| + isBuiltin |
| + ", jarName='" |
| + jarName |
| + '\'' |
| + ", jarMD5='" |
| + jarMD5 |
| + '\'' |
| + '}'; |
| } |
| } |