| /** |
| * |
| * 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.hadoop.hbase.client; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.TreeMap; |
| import org.apache.hadoop.hbase.Coprocessor; |
| import org.apache.yetus.audience.InterfaceAudience; |
| |
| /** |
| * Used to build the {@link CoprocessorDescriptor} |
| */ |
| @InterfaceAudience.Public |
| public final class CoprocessorDescriptorBuilder { |
| |
| public static CoprocessorDescriptor of(String className) { |
| return new CoprocessorDescriptorBuilder(className).build(); |
| } |
| |
| public static CoprocessorDescriptorBuilder newBuilder(String className) { |
| return new CoprocessorDescriptorBuilder(className); |
| } |
| |
| private final String className; |
| private String jarPath; |
| private int priority = Coprocessor.PRIORITY_USER; |
| private Map<String, String> properties = new TreeMap(); |
| |
| public CoprocessorDescriptorBuilder setJarPath(String jarPath) { |
| this.jarPath = jarPath; |
| return this; |
| } |
| |
| public CoprocessorDescriptorBuilder setPriority(int priority) { |
| this.priority = priority; |
| return this; |
| } |
| |
| public CoprocessorDescriptorBuilder setProperty(String key, String value) { |
| this.properties.put(key, value); |
| return this; |
| } |
| |
| public CoprocessorDescriptorBuilder setProperties(Map<String, String> properties) { |
| this.properties.putAll(properties); |
| return this; |
| } |
| |
| public CoprocessorDescriptor build() { |
| return new CoprocessorDescriptorImpl(className, jarPath, priority, properties); |
| } |
| |
| private CoprocessorDescriptorBuilder(String className) { |
| this.className = Objects.requireNonNull(className); |
| } |
| |
| private static final class CoprocessorDescriptorImpl implements CoprocessorDescriptor { |
| private final String className; |
| private final String jarPath; |
| private final int priority; |
| private final Map<String, String> properties; |
| |
| private CoprocessorDescriptorImpl(String className, String jarPath, int priority, |
| Map<String, String> properties) { |
| this.className = className; |
| this.jarPath = jarPath; |
| this.priority = priority; |
| this.properties = properties; |
| } |
| |
| @Override |
| public String getClassName() { |
| return className; |
| } |
| |
| @Override |
| public Optional<String> getJarPath() { |
| return Optional.ofNullable(jarPath); |
| } |
| |
| @Override |
| public int getPriority() { |
| return priority; |
| } |
| |
| @Override |
| public Map<String, String> getProperties() { |
| return Collections.unmodifiableMap(properties); |
| } |
| |
| @Override |
| public String toString() { |
| return "class:" + className |
| + ", jarPath:" + jarPath |
| + ", priority:" + priority |
| + ", properties:" + properties; |
| } |
| } |
| } |