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https://issues.apache.org/jira/browse/GOBBLIN-768?focusedWorklogId=241352&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-241352
]
ASF GitHub Bot logged work on GOBBLIN-768:
------------------------------------------
Author: ASF GitHub Bot
Created on: 13/May/19 22:07
Start Date: 13/May/19 22:07
Worklog Time Spent: 10m
Work Description: jack-moseley commented on pull request #2631:
[GOBBLIN-768] Add MySQL implementation of SpecStore
URL: https://github.com/apache/incubator-gobblin/pull/2631#discussion_r283557104
##########
File path:
gobblin-runtime/src/main/java/org/apache/gobblin/runtime/spec_store/MysqlSpecStore.java
##########
@@ -0,0 +1,215 @@
+/*
+ * 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.gobblin.runtime.spec_store;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.net.URI;
+import java.sql.Blob;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+
+import com.google.common.base.Optional;
+import com.google.common.collect.Lists;
+import com.typesafe.config.Config;
+
+import javax.sql.DataSource;
+
+import org.apache.gobblin.broker.SharedResourcesBrokerFactory;
+import org.apache.gobblin.configuration.ConfigurationKeys;
+import org.apache.gobblin.metastore.MysqlDataSourceFactory;
+import org.apache.gobblin.runtime.api.Spec;
+import org.apache.gobblin.runtime.api.SpecNotFoundException;
+import org.apache.gobblin.runtime.api.SpecStore;
+
+
+/**
+ * Implementation of {@link SpecStore} that stores specs as serialized java
objects in MySQL. Note that versions are not
+ * supported, so the version parameter will be ignored in methods that have it.
+ */
+public class MysqlSpecStore implements SpecStore {
+ private static final String CREATE_TABLE_STATEMENT =
+ "CREATE TABLE IF NOT EXISTS %s (spec_uri VARCHAR(128) NOT NULL, spec
LONGBLOB, PRIMARY KEY (spec_uri))";
+ private static final String EXISTS_STATEMENT = "SELECT EXISTS(SELECT * FROM
%s WHERE spec_uri = ?)";
+ private static final String INSERT_STATEMENT = "INSERT INTO %s (spec_uri,
spec) VALUES (?, ?) ON DUPLICATE KEY UPDATE spec = VALUES(spec)";
+ private static final String DELETE_STATEMENT = "DELETE FROM %s WHERE
spec_uri = ?";
+ private static final String GET_STATEMENT = "SELECT spec FROM %s WHERE
spec_uri = ?";
+ private static final String GET_ALL_STATEMENT = "SELECT spec_uri, spec FROM
%s";
+
+ private DataSource dataSource;
+ private String tableName;
+ private URI specStoreURI;
+
+ public MysqlSpecStore(Config config) throws IOException {
+ this.dataSource = MysqlDataSourceFactory.get(config,
SharedResourcesBrokerFactory.getImplicitBroker());
+ this.tableName =
config.getString(ConfigurationKeys.STATE_STORE_DB_TABLE_KEY);
Review comment:
As discussed, right now mysql datasource logic is tied to state store config
keys, so just using those keys but added a prefix for now.
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Issue Time Tracking
-------------------
Worklog Id: (was: 241352)
Time Spent: 2h 40m (was: 2.5h)
> Add MySQL implementation of SpecStore
> -------------------------------------
>
> Key: GOBBLIN-768
> URL: https://issues.apache.org/jira/browse/GOBBLIN-768
> Project: Apache Gobblin
> Issue Type: New Feature
> Reporter: Jack Moseley
> Priority: Major
> Time Spent: 2h 40m
> Remaining Estimate: 0h
>
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