add OrchestrationMasterSlaveDataSourceFactory.java

sharding-orchestration/sharding-jdbc-orchestration/src/main/java/io/shardingsphere/jdbc/orchestration/api/datasource/OrchestrationMasterSlaveDataSourceFactory.java

+/*
+ * Copyright 2016-2018 shardingsphere.io.
+ * <p>
+ * Licensed 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.
+ * </p>
+ */
+
+package io.shardingsphere.jdbc.orchestration.api.datasource;
+
+import io.shardingsphere.core.api.config.MasterSlaveRuleConfiguration;
+import io.shardingsphere.core.jdbc.core.datasource.MasterSlaveDataSource;
+import io.shardingsphere.jdbc.orchestration.config.OrchestrationConfiguration;
+import io.shardingsphere.jdbc.orchestration.internal.datasource.OrchestrationMasterSlaveDataSource;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+
+import javax.sql.DataSource;
+import java.sql.SQLException;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * Orchestration sharding data source factory.
+ *
+ * @author panjuan
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class OrchestrationMasterSlaveDataSourceFactory {
+    
+    /**
+     * Create master-slave data source.
+     *
+     * @param dataSourceMap data source map
+     * @param masterSlaveRuleConfig master-slave rule configuration
+     * @param configMap config map
+     * @param props properties
+     * @param orchestrationConfig orchestration configuration
+     * @return master-slave data source
+     * @throws SQLException SQL exception
+     */
+    public static DataSource createDataSource(final Map<String, DataSource> dataSourceMap, final MasterSlaveRuleConfiguration masterSlaveRuleConfig, final Map<String, Object> configMap, final Properties props, final OrchestrationConfiguration orchestrationConfig) throws SQLException {
+        if (null == masterSlaveRuleConfig || null == masterSlaveRuleConfig.getMasterDataSourceName()) {
+            return createDataSource(orchestrationConfig);
+        }
+        MasterSlaveDataSource masterSlaveDataSource = new MasterSlaveDataSource(dataSourceMap, masterSlaveRuleConfig, configMap, props);
+        return new OrchestrationMasterSlaveDataSource(masterSlaveDataSource, orchestrationConfig);
+    }
+    
+    /**
+     * Create master-slave data source.
+     *
+     * @param orchestrationConfig orchestration configuration
+     * @return master-slave data source
+     * @throws SQLException SQL exception
+     */
+    public static DataSource createDataSource(final OrchestrationConfiguration orchestrationConfig) throws SQLException {
+        return new OrchestrationMasterSlaveDataSource(orchestrationConfig);
+    }
+}
+