iotdb-spring-boot-starter/src/main/java/org/apache/iotdb/session/IoTDBSessionPool.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.iotdb.session;

import org.apache.iotdb.config.IoTDBSessionProperties;
import org.apache.iotdb.isession.pool.ISessionPool;
import org.apache.iotdb.isession.pool.ITableSessionPool;
import org.apache.iotdb.session.pool.SessionPool;
import org.apache.iotdb.session.pool.TableSessionPoolBuilder;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.Arrays;

@Configuration
@ConditionalOnClass({IoTDBSessionProperties.class})
@EnableConfigurationProperties(IoTDBSessionProperties.class)
public class IoTDBSessionPool {

    private final IoTDBSessionProperties properties;
    private ITableSessionPool tableSessionPool;
    private ISessionPool treeSessionPool;

    public IoTDBSessionPool(IoTDBSessionProperties properties) {
        this.properties = properties;
    }

    @Bean
    public ITableSessionPool tableSessionPool() {
        if(tableSessionPool == null) {
            synchronized (IoTDBSessionPool.class) {
                if(tableSessionPool == null) {
                    tableSessionPool = new TableSessionPoolBuilder().
                            nodeUrls(Arrays.asList(properties.getUrl().split(";"))).
                            user(properties.getUsername()).
                            password(properties.getPassword()).
                            database(properties.getDatabase()).
                            maxSize(properties.getMax_size()).
                            fetchSize(properties.getFetch_size()).
                            enableAutoFetch(properties.getEnable_auto_fetch()).
                            useSSL(properties.getUse_ssl()).
                            queryTimeoutInMs(properties.getQuery_timeout_in_ms()).
                            maxRetryCount(properties.getMax_retry_count()).
                            waitToGetSessionTimeoutInMs(properties.getQuery_timeout_in_ms()).
                            enableCompression(properties.isEnable_compression()).
                            retryIntervalInMs(properties.getRetry_interval_in_ms()).
                            build();
                }
            }
        }
        return tableSessionPool;
    }

    @Bean
    public ISessionPool treeSessionPool() {
        if(treeSessionPool == null) {
            synchronized (IoTDBSessionPool.class) {
                if(treeSessionPool == null) {
                    treeSessionPool = new SessionPool.Builder().
                            nodeUrls(Arrays.asList(properties.getUrl().split(";"))).
                            user(properties.getUsername()).
                            password(properties.getPassword()).
                            maxSize(properties.getMax_size()).
                            fetchSize(properties.getFetch_size()).
                            enableAutoFetch(properties.getEnable_auto_fetch()).
                            useSSL(properties.getUse_ssl()).
                            queryTimeoutInMs(properties.getQuery_timeout_in_ms()).
                            maxRetryCount(properties.getMax_retry_count()).
                            waitToGetSessionTimeoutInMs(properties.getQuery_timeout_in_ms()).
                            enableCompression(properties.isEnable_compression()).
                            retryIntervalInMs(properties.getRetry_interval_in_ms()).
                            build();
                }
            }
        }
        return treeSessionPool;
    }
}