/**
* 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.yaess.testing.flow;
import com.asakusafw.compiler.yaess.testing.mock.MockExporterDescription;
import com.asakusafw.compiler.yaess.testing.mock.MockImporterDescription;
import com.asakusafw.compiler.yaess.testing.model.Dummy;
import com.asakusafw.vocabulary.flow.Export;
import com.asakusafw.vocabulary.flow.FlowDescription;
import com.asakusafw.vocabulary.flow.Import;
import com.asakusafw.vocabulary.flow.In;
import com.asakusafw.vocabulary.flow.JobFlow;
import com.asakusafw.vocabulary.flow.Out;
import com.asakusafw.vocabulary.flow.util.CoreOperatorFactory;
import com.asakusafw.vocabulary.flow.util.CoreOperatorFactory.Restructure;
/**
* Complex flow.
*/
@JobFlow(name = "last")
public class LastFlow extends FlowDescription {
private final In<Dummy> in;
private final Out<Dummy> out;
/**
* Creates a new instance.
* @param in input
* @param out output
*/
public LastFlow(
@Import(name = "data", description = MockImporterDescription.class)
In<Dummy> in,
@Export(name = "data", description = MockExporterDescription.class)
Out<Dummy> out) {
this.in = in;
this.out = out;
}
@Override
protected void describe() {
CoreOperatorFactory op = new CoreOperatorFactory();
Restructure<Dummy> first = op.restructure(in, Dummy.class);
Restructure<Dummy> second = op.restructure(op.checkpoint(first), Dummy.class);
Restructure<Dummy> last = op.restructure(op.checkpoint(second), Dummy.class);
out.add(last);
}
}