/*
* 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 net.hydromatic.optiq.impl.interpreter;
import org.eigenbase.rel.ValuesRelBase;
import org.eigenbase.rex.RexLiteral;
import java.util.List;
/**
* Interpreter node that implements a {@link ValuesRelBase}.
*/
public class ValuesNode implements Node {
private final Sink sink;
private final ValuesRelBase rel;
private final int fieldCount;
public ValuesNode(Interpreter interpreter, ValuesRelBase rel) {
this.rel = rel;
this.sink = interpreter.sink(rel);
this.fieldCount = rel.getRowType().getFieldCount();
}
public void run() throws InterruptedException {
for (List<RexLiteral> list : rel.getTuples()) {
final Object[] values = new Object[fieldCount];
for (int i = 0; i < list.size(); i++) {
RexLiteral rexLiteral = list.get(i);
values[i] = rexLiteral.getValue();
}
sink.send(new Row(values));
}
sink.end();
}
}
// End ValuesNode.java