Package org.apache.phoenix.query

Source Code of org.apache.phoenix.query.BaseQueryServicesImpl

/*
* 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.ExecutorService;

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 ExecutorService executor;
    private final MemoryManager memoryManager;
    private final ReadOnlyProps props;
    private final QueryOptimizer queryOptimizer;
   
    public BaseQueryServicesImpl(QueryServicesOptions options) {
        this.executor =  JobManager.createThreadPoolExec(
                options.getKeepAliveMs(),
                options.getThreadPoolSize(),
                options.getQueueSize());
        this.memoryManager = new GlobalMemoryManager(
                Runtime.getRuntime().totalMemory() * options.getMaxMemoryPerc() / 100,
                options.getMaxMemoryWaitMs());
        this.props = options.getProps();
        this.queryOptimizer = new QueryOptimizer(this);
    }
   
    @Override
    public ExecutorService getExecutor() {
        return executor;
    }

    @Override
    public MemoryManager getMemoryManager() {
        return memoryManager;
    }

    @Override
    public final ReadOnlyProps getProps() {
        return props;
    }

    @Override
    public void close() {
    }

    @Override
    public QueryOptimizer getOptimizer() {
        return queryOptimizer;
    }  
}
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