| /* |
| * 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.phoenix.query; |
| |
| import java.util.concurrent.ThreadPoolExecutor; |
| |
| import org.apache.phoenix.job.JobManager; |
| import org.apache.phoenix.memory.GlobalMemoryManager; |
| import org.apache.phoenix.memory.MemoryManager; |
| import org.apache.phoenix.optimize.QueryOptimizer; |
| import org.apache.phoenix.util.ReadOnlyProps; |
| |
| |
| |
| /** |
| * |
| * Base class for QueryService implementors. |
| * |
| * |
| * @since 0.1 |
| */ |
| public abstract class BaseQueryServicesImpl implements QueryServices { |
| private final ThreadPoolExecutor executor; |
| private final MemoryManager memoryManager; |
| private final ReadOnlyProps props; |
| private final QueryOptimizer queryOptimizer; |
| |
| public BaseQueryServicesImpl(ReadOnlyProps defaultProps, QueryServicesOptions options) { |
| this.executor = JobManager.createThreadPoolExec( |
| options.getKeepAliveMs(), |
| options.getThreadPoolSize(), |
| options.getQueueSize(), |
| options.isGlobalMetricsEnabled()); |
| this.memoryManager = new GlobalMemoryManager( |
| Runtime.getRuntime().maxMemory() * options.getMaxMemoryPerc() / 100, |
| options.getMaxMemoryWaitMs()); |
| this.props = options.getProps(defaultProps); |
| this.queryOptimizer = new QueryOptimizer(this); |
| } |
| |
| @Override |
| public ThreadPoolExecutor getExecutor() { |
| return executor; |
| } |
| |
| @Override |
| public MemoryManager getMemoryManager() { |
| return memoryManager; |
| } |
| |
| @Override |
| public final ReadOnlyProps getProps() { |
| return props; |
| } |
| |
| @Override |
| public void close() { |
| // Do not shutdown the executor as it prevents the Driver from being able |
| // to attempt to open a connection in the future. |
| } |
| |
| @Override |
| public QueryOptimizer getOptimizer() { |
| return queryOptimizer; |
| } |
| } |