/* * 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 ml.littlebulb.presto.kudu; import com.facebook.presto.spi.ConnectorSession; import com.facebook.presto.spi.ConnectorSplitSource; import com.facebook.presto.spi.ConnectorTableLayoutHandle; import com.facebook.presto.spi.FixedSplitSource; import com.facebook.presto.spi.connector.ConnectorSplitManager; import com.facebook.presto.spi.connector.ConnectorTransactionHandle; import java.util.List; import javax.inject.Inject; import static java.util.Objects.requireNonNull; public class KuduSplitManager implements ConnectorSplitManager { private final String connectorId; private final KuduClientSession clientSession; @Inject public KuduSplitManager(KuduConnectorId connectorId, KuduClientSession clientSession) { this.connectorId = requireNonNull(connectorId, "connectorId is null").toString(); this.clientSession = requireNonNull(clientSession, "clientSession is null"); } @Override public ConnectorSplitSource getSplits(ConnectorTransactionHandle transactionHandle, ConnectorSession session, ConnectorTableLayoutHandle layout, SplitSchedulingStrategy splitSchedulingStrategy) { KuduTableLayoutHandle layoutHandle = (KuduTableLayoutHandle) layout; List<KuduSplit> splits = clientSession.buildKuduSplits(layoutHandle); return new FixedSplitSource(splits); } }