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Copyright [2013-2014] eBay Software Foundation 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 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 ml.shifu.guagua.mapreduce.example.nn;
import  org.apache.hadoop.conf.Configuration;
import  org.apache.hadoop.fs.FSDataOutputStream;
import  org.apache.hadoop.fs.FileSystem;
import  org.apache.hadoop.fs.Path;
NNOutput is used to write the final model output to file system.
public class NNOutput extends BasicMasterInterceptor<NNParamsNNParams> {
    private static final Logger LOG = LoggerFactory.getLogger(NNOutput.class);
    public void postApplication(MasterContext<NNParamsNNParamscontext) {
        .info("NNOutput starts to write model to files.");
        int inputs = NumberFormatUtils.getInt(context.getProps().getProperty(.),
        int hiddens = NumberFormatUtils.getInt(context.getProps().getProperty(.),
        int outputs = NumberFormatUtils.getInt(context.getProps().getProperty(.),
        BasicNetwork network = NNUtils.generateNetwork(inputshiddensoutputs);
        Path out = new Path(context.getProps().getProperty(.));
        FSDataOutputStream fos = null;
        try {
            fos = FileSystem.get(new Configuration()).create(out);
            .info("Writing results to {}"out.toString());
        } catch (IOException e) {
            .error("Error in writing output."e);
        } finally {
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