/**
* Copyright 2011-2014 Asakusa Framework Team.
*
* 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 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 com.asakusafw.compiler.flow.join.processor;
import com.asakusafw.compiler.common.TargetOperator;
import com.asakusafw.compiler.flow.LineEndProcessor;
import com.asakusafw.compiler.flow.join.JoinResourceDescription;
import com.asakusafw.compiler.flow.join.operator.SideDataCheck;
import com.asakusafw.utils.java.model.syntax.ModelFactory;
import com.asakusafw.vocabulary.flow.graph.FlowElementPortDescription;
import com.asakusafw.vocabulary.flow.graph.FlowResourceDescription;
/**
* {@link SideDataCheck}を処理する。
*/
@TargetOperator(SideDataCheck.class)
public class SideDataCheckFlowProcessor extends LineEndProcessor {
@Override
public void emitLineEnd(Context context) {
FlowResourceDescription resource = context.getResourceDescription(SideDataCheck.ID_RESOURCE_MASTER);
SideDataKindFlowAnalyzer helper = new SideDataKindFlowAnalyzer(
context,
(JoinResourceDescription) resource);
ModelFactory f = context.getModelFactory();
FlowElementPortDescription foundPort = context.getOutputPort(SideDataCheck.ID_OUTPUT_FOUND);
FlowElementPortDescription missedPort = context.getOutputPort(SideDataCheck.ID_OUTPUT_MISSED);
ResultMirror found = context.getOutput(foundPort);
ResultMirror missed = context.getOutput(missedPort);
context.add(f.newIfStatement(
helper.getHasMasterExpresion(),
f.newBlock(found.createAdd(context.getInput())),
f.newBlock(missed.createAdd(context.getInput()))));
}
}