docs: add region tags for hikaricp config (#86)

Author: enocom

alloydb-jdbc-connector/src/test/java/com/google/cloud/alloydb/AlloyDbJdbcConnectorDataSourceFactory.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * 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
+ *
+ * https://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 com.google.cloud.alloydb;
+
+// [START alloydb_hikaricp_connect_connector]
+import com.zaxxer.hikari.HikariConfig;
+import com.zaxxer.hikari.HikariDataSource;
+
+public class AlloyDbJdbcConnectorDataSourceFactory {
+
+ public static final String ALLOYDB_USER = System.getenv("ALLOYDB_USER");
+ public static final String ALLOYDB_PASS = System.getenv("ALLOYDB_PASS");
+ public static final String ALLOYDB_INSTANCE_NAME = System.getenv("ALLOYDB_INSTANCE_NAME");
+
+ static HikariDataSource createDataSource() {
+ HikariConfig config = new HikariConfig();
+
+ config.setJdbcUrl("jdbc:postgresql:///postgres");
+ config.setUsername(ALLOYDB_USER); // e.g., "postgres"
+ config.setPassword(ALLOYDB_PASS); // e.g., "secret-password"
+ config.addDataSourceProperty("socketFactory", "com.google.cloud.alloydb.SocketFactory");
+ // e.g., "projects/my-project/locations/us-central1/clusters/my-cluster/instances/my-instance"
+ config.addDataSourceProperty("alloydbInstanceName", ALLOYDB_INSTANCE_NAME);
+
+ return new HikariDataSource(config);
+ }
+}
+// [END alloydb_hikaricp_connect_connector]

alloydb-jdbc-connector/src/test/java/com/google/cloud/alloydb/ITSocketFactoryTest.java

@@ -19,7 +19,6 @@
 
 import com.google.common.collect.BoundType;
 import com.google.common.collect.Range;
-import com.zaxxer.hikari.HikariConfig;
 import com.zaxxer.hikari.HikariDataSource;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
@@ -38,15 +37,7 @@ public class ITSocketFactoryTest {
 
  @Before
  public void setUp() {
- HikariConfig config = new HikariConfig();
-
- config.setJdbcUrl("jdbc:postgresql:///postgres");
- config.setUsername(System.getenv("ALLOYDB_USER"));
- config.setPassword(System.getenv("ALLOYDB_PASS"));
- config.addDataSourceProperty("socketFactory", "com.google.cloud.alloydb.SocketFactory");
- config.addDataSourceProperty("alloydbInstanceName", System.getenv("ALLOYDB_INSTANCE_NAME"));
-
- this.dataSource = new HikariDataSource(config);
+ this.dataSource = AlloyDbJdbcConnectorDataSourceFactory.createDataSource();
  }
 
  @After