kamaci commented on a change in pull request #175: GORA-546 Hazelcast Jet execution engine support URL: https://github.com/apache/gora/pull/175#discussion_r310402401
########## File path: gora-jet/src/main/java/org/apache/gora/jet/JetEngine.java ########## @@ -0,0 +1,55 @@ +/** + * 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.gora.jet; + +import com.hazelcast.jet.pipeline.BatchSource; +import com.hazelcast.jet.pipeline.Sink; +import com.hazelcast.jet.pipeline.Sinks; +import com.hazelcast.jet.pipeline.Sources; +import org.apache.gora.persistency.impl.PersistentBase; +import org.apache.gora.query.Query; +import org.apache.gora.store.DataStore; + +/** + * Core class which handles Gora - Jet Engine integration. + */ +public class JetEngine<KeyIn, ValueIn extends PersistentBase, KeyOut, ValueOut extends PersistentBase> { + public static DataStore dataOutStore; + public static DataStore dataInStore; + public static Query query; + + public BatchSource<JetInputOutputFormat<KeyIn, ValueIn>> createDataSource(DataStore<KeyIn, ValueIn> dataOutStore) { + return createDataSource(dataOutStore, dataOutStore.newQuery()); + } + + public BatchSource<JetInputOutputFormat<KeyIn, ValueIn>> createDataSource(DataStore<KeyIn, ValueIn> dataOutStore, + Query<KeyIn, ValueIn> query) { + JetEngine.dataInStore = dataOutStore; + JetEngine.query = query; + BatchSource<JetInputOutputFormat<KeyIn, ValueIn>> source = Sources.batchFromProcessor("gora-jet-source", + new JetSource<KeyIn, ValueIn>()); + return source; + } + + public Sink<JetInputOutputFormat<KeyOut, ValueOut>> createDataSink(DataStore<KeyOut, ValueOut> dataOutStore) { Review comment: These method can be package private. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
