Import code from internal repository to git

2025-05-14 16:37:13 +02:00 · 2016-03-01 17:18:14 -05:00 · 2016-03-01 17:18:14 -05:00 · 0ef0c933d2
commit 0ef0c933d2
2490 changed files with 281594 additions and 0 deletions
--- a/java/com/google/domain/registry/bigquery/BigqueryHelper.java
+++ b/java/com/google/domain/registry/bigquery/BigqueryHelper.java
@ -0,0 +1,75 @@
+// Copyright 2016 Google Inc. All Rights Reserved.
+//
+// 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.
+
+package com.google.domain.registry.bigquery;
+
+
+import com.google.api.services.bigquery.Bigquery;
+import com.google.api.services.bigquery.model.Dataset;
+import com.google.api.services.bigquery.model.DatasetReference;
+import com.google.api.services.bigquery.model.Table;
+import com.google.api.services.bigquery.model.TableFieldSchema;
+import com.google.api.services.bigquery.model.TableReference;
+import com.google.api.services.bigquery.model.TableSchema;
+import com.google.common.collect.ImmutableList;
+import com.google.domain.registry.util.FormattingLogger;
+
+import java.io.IOException;
+
+/** Helpers for Bigquery. */
+public class BigqueryHelper {
+
+  private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
+
+  /**
+   * Ensures the dataset exists by trying to create it. Note that it's not appreciably cheaper
+   * to check for dataset existence than it is to try to create it and check for exceptions.
+   */
+  // Note that these are not static so they can be mocked for testing.
+  public void ensureDataset(Bigquery bigquery, String projectId, String datasetId)
+      throws IOException {
+    try {
+      bigquery.datasets()
+          .insert(projectId,
+              new Dataset().setDatasetReference(
+                  new DatasetReference()
+                      .setProjectId(projectId)
+                      .setDatasetId(datasetId)))
+          .execute();
+    } catch (IOException e) {
+      // Swallow errors about a duplicate dataset, and throw any other ones.
+      if (!BigqueryJobFailureException.create(e).getReason().equals("duplicate")) {
+        throw e;
+      }
+    }
+  }
+
+  /** Ensures the table exists in Bigquery. */
+  public void ensureTable(Bigquery bigquery, TableReference table,
+      ImmutableList<TableFieldSchema> schema) throws IOException {
+    try {
+      bigquery.tables().insert(table.getProjectId(), table.getDatasetId(), new Table()
+          .setSchema(new TableSchema().setFields(schema))
+          .setTableReference(table))
+          .execute();
+      logger.infofmt("Created BigQuery table %s:%s.%s", table.getProjectId(), table.getDatasetId(),
+          table.getTableId());
+    } catch (IOException e) {
+      // Swallow errors about a table that exists, and throw any other ones.
+      if (!BigqueryJobFailureException.create(e).getReason().equals("duplicate")) {
+        throw e;
+      }
+    }
+  }
+}