chore: Add domain name to the CloudSqlInstanceName value object

Author: hessjcg

core/src/main/java/com/google/cloud/sql/core/CloudSqlInstanceName.java

@@ -35,14 +35,25 @@ class CloudSqlInstanceName {
   private final String regionId;
   private final String instanceId;
   private final String connectionName;
+  private final String domainName;
 
   /**
    * Initializes a new CloudSqlInstanceName class.
    *
    * @param connectionName instance connection name in the format "PROJECT_ID:REGION_ID:INSTANCE_ID"
    */
   CloudSqlInstanceName(String connectionName) {
+    this(connectionName, null);
+  }
+
+  /**
+   * Initializes a new CloudSqlInstanceName class containing the domain name.
+   *
+   * @param connectionName
+   */
+  CloudSqlInstanceName(String connectionName, String domainName) {
     this.connectionName = connectionName;
+    this.domainName = domainName;
     Matcher matcher = CONNECTION_NAME.matcher(connectionName);
     checkArgument(
         matcher.matches(),
@@ -71,6 +82,10 @@ String getInstanceId() {
     return instanceId;
   }
 
+  String getDomainName() {
+    return domainName;
+  }
+
   @Override
   public String toString() {
     return connectionName;

core/src/main/java/com/google/cloud/sql/core/LazyRefreshConnectionInfoCache.java

@@ -44,12 +44,15 @@ public LazyRefreshConnectionInfoCache(
       ConnectionInfoRepository connectionInfoRepository,
       CredentialFactory tokenSourceFactory,
       KeyPair keyPair) {
+
+    CloudSqlInstanceName instanceName =
+        new CloudSqlInstanceName(config.getCloudSqlInstance(), config.getDomainName());
+
     this.config = config;
-    this.instanceName = new CloudSqlInstanceName(config.getCloudSqlInstance());
+    this.instanceName = instanceName;
 
     AccessTokenSupplier accessTokenSupplier =
         DefaultAccessTokenSupplier.newInstance(config.getAuthType(), tokenSourceFactory);
-    CloudSqlInstanceName instanceName = new CloudSqlInstanceName(config.getCloudSqlInstance());
 
     this.refreshStrategy =
         new LazyRefreshStrategy(

core/src/main/java/com/google/cloud/sql/core/RefreshAheadConnectionInfoCache.java

@@ -48,12 +48,15 @@ public RefreshAheadConnectionInfoCache(
       ListeningScheduledExecutorService executor,
       ListenableFuture<KeyPair> keyPair,
       long minRefreshDelayMs) {
+
+    CloudSqlInstanceName instanceName =
+        new CloudSqlInstanceName(config.getCloudSqlInstance(), config.getDomainName());
+
     this.config = config;
-    this.instanceName = new CloudSqlInstanceName(config.getCloudSqlInstance());
+    this.instanceName = instanceName;
 
     AccessTokenSupplier accessTokenSupplier =
         DefaultAccessTokenSupplier.newInstance(config.getAuthType(), tokenSourceFactory);
-    CloudSqlInstanceName instanceName = new CloudSqlInstanceName(config.getCloudSqlInstance());
 
     this.refreshStrategy =
         new RefreshAheadStrategy(