/* * 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.twilmes.sql.gremlin.rel; import org.apache.calcite.linq4j.AbstractEnumerable; import org.apache.calcite.linq4j.Enumerable; import org.apache.calcite.linq4j.Enumerator; import org.apache.calcite.plan.RelOptCluster; import org.apache.calcite.plan.RelTraitSet; import org.apache.calcite.rel.AbstractRelNode; import org.apache.calcite.rel.type.RelDataType; import java.util.List; /** * Created by twilmes on 11/22/15. */ public class GremlinTraversalScan extends AbstractRelNode implements GremlinTraversalRel { private static List<Object> rows; public GremlinTraversalScan(RelOptCluster cluster, RelTraitSet traitSet, RelDataType rowType, List<Object> rows) { super(cluster, traitSet); this.rowType = rowType; GremlinTraversalScan.rows = rows; } @Override public void implement(Implementor implementor) { implementor.rows = rows; } public static Enumerable<Object[]> scan() { return new AbstractEnumerable<Object[]>() { public Enumerator<Object[]> enumerator() { return new GremlinEnumerator(rows); } }; } }