| /* |
| * Copyright 2009-2013 by The Regents of the University of California |
| * Licensed 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 from |
| * |
| * 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 edu.uci.ics.hyracks.algebricks.tests.pushruntime; |
| |
| import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException; |
| import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluator; |
| import edu.uci.ics.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory; |
| import edu.uci.ics.hyracks.api.context.IHyracksTaskContext; |
| import edu.uci.ics.hyracks.data.std.api.IPointable; |
| import edu.uci.ics.hyracks.data.std.primitive.BooleanPointable; |
| import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable; |
| import edu.uci.ics.hyracks.data.std.primitive.VoidPointable; |
| import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference; |
| import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer; |
| |
| public class IntegerGreaterThanEvalFactory implements IScalarEvaluatorFactory { |
| |
| private static final long serialVersionUID = 1L; |
| |
| private IScalarEvaluatorFactory evalFact1, evalFact2; |
| |
| public IntegerGreaterThanEvalFactory(IScalarEvaluatorFactory evalFact1, IScalarEvaluatorFactory evalFact2) { |
| this.evalFact1 = evalFact1; |
| this.evalFact2 = evalFact2; |
| } |
| |
| @Override |
| public IScalarEvaluator createScalarEvaluator(final IHyracksTaskContext ctx) throws AlgebricksException { |
| return new IScalarEvaluator() { |
| private IPointable p = VoidPointable.FACTORY.createPointable(); |
| private IScalarEvaluator eval1 = evalFact1.createScalarEvaluator(ctx); |
| private IScalarEvaluator eval2 = evalFact2.createScalarEvaluator(ctx); |
| private byte[] rBytes = new byte[1]; |
| |
| @Override |
| public void evaluate(IFrameTupleReference tuple, IPointable result) throws AlgebricksException { |
| eval1.evaluate(tuple, p); |
| int v1 = IntegerPointable.getInteger(p.getByteArray(), p.getStartOffset()); |
| eval2.evaluate(tuple, p); |
| int v2 = IntegerPointable.getInteger(p.getByteArray(), p.getStartOffset()); |
| BooleanPointable.setBoolean(rBytes, 0, v1 > v2); |
| result.set(rBytes, 0, 1); |
| } |
| }; |
| } |
| } |