Package com.asakusafw.compiler.batch

Source Code of com.asakusafw.compiler.batch.FirstJobFlow$Exporter

/**
* 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.batch;

import com.asakusafw.compiler.flow.processor.operator.UpdateFlowFactory;
import com.asakusafw.compiler.flow.processor.operator.UpdateFlowFactory.WithParameter;
import com.asakusafw.compiler.flow.testing.external.Ex1MockImporterDescription;
import com.asakusafw.compiler.flow.testing.model.Ex1;
import com.asakusafw.compiler.testing.TemporaryOutputDescription;
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;


/**
* 入力に100を足す。
*/
@JobFlow(name = "first")
public class FirstJobFlow extends FlowDescription {

    private final In<Ex1> in;

    private final Out<Ex1> out;

    /**
     * インスタンスを生成する。
     * @param in 入力
     * @param out 出力
     * @throws IllegalArgumentException 引数に{@code null}が指定された場合
     */
    public FirstJobFlow(
            @Import(name = "first", description = Ex1MockImporterDescription.class)
            In<Ex1> in,
            @Export(name = "first", description = Exporter.class)
            Out<Ex1> out) {
        this.in = in;
        this.out = out;
    }

    @Override
    protected void describe() {
        UpdateFlowFactory f = new UpdateFlowFactory();
        WithParameter op = f.withParameter(in, 1);
        out.add(op.out);
    }

    /**
     * エクスポーター。
     */
    public static class Exporter extends TemporaryOutputDescription {

        @Override
        public Class<?> getModelType() {
            return Ex1.class;
        }

        @Override
        public String getPathPrefix() {
            return "target/testing/sequencefile/first/out-*";
        }
    }
}
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