Example usage for org.apache.hadoop.io ByteWritable set

Introduction

In this page you can find the example usage for org.apache.hadoop.io ByteWritable set.

Prototype

public void set(byte value) 

Source Link

Document

Set the value of this ByteWritable.

Usage

From source file:org.apache.camel.component.hdfs.HdfsConsumerTest.java

License:Apache License

@Test
public void testReadByte() throws Exception {
    if (!canTest()) {
        return;/*w  w  w .  jav a 2  s  . c  o  m*/
    }

    final Path file = new Path(new File("target/test/test-camel-byte").getAbsolutePath());
    Configuration conf = new Configuration();
    FileSystem fs1 = FileSystem.get(file.toUri(), conf);
    SequenceFile.Writer writer = createWriter(fs1, conf, file, NullWritable.class, ByteWritable.class);
    NullWritable keyWritable = NullWritable.get();
    ByteWritable valueWritable = new ByteWritable();
    byte value = 3;
    valueWritable.set(value);
    writer.append(keyWritable, valueWritable);
    writer.sync();
    writer.close();

    MockEndpoint resultEndpoint = context.getEndpoint("mock:result", MockEndpoint.class);
    resultEndpoint.expectedMessageCount(1);
    resultEndpoint.message(0).body(byte.class).isEqualTo(3);

    context.addRoutes(new RouteBuilder() {
        public void configure() {
            from("hdfs:///" + file.toUri() + "?fileSystemType=LOCAL&fileType=SEQUENCE_FILE&initialDelay=0")
                    .to("mock:result");
        }
    });
    context.start();

    resultEndpoint.assertIsSatisfied();
}

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From source file:org.apache.camel.component.hdfs2.HdfsConsumerTest.java

License:Apache License

@Test
public void testReadByte() throws Exception {
    if (!canTest()) {
        return;/*from   w  w  w . j  a v a2 s  .  c  om*/
    }

    final Path file = new Path(new File("target/test/test-camel-byte").getAbsolutePath());
    Configuration conf = new Configuration();
    SequenceFile.Writer writer = createWriter(conf, file, NullWritable.class, ByteWritable.class);
    NullWritable keyWritable = NullWritable.get();
    ByteWritable valueWritable = new ByteWritable();
    byte value = 3;
    valueWritable.set(value);
    writer.append(keyWritable, valueWritable);
    writer.sync();
    writer.close();

    MockEndpoint resultEndpoint = context.getEndpoint("mock:result", MockEndpoint.class);
    resultEndpoint.expectedMessageCount(1);
    resultEndpoint.message(0).body(byte.class).isEqualTo(3);

    context.addRoutes(new RouteBuilder() {
        public void configure() {
            from("hdfs2:///" + file.toUri() + "?fileSystemType=LOCAL&fileType=SEQUENCE_FILE&initialDelay=0")
                    .to("mock:result");
        }
    });
    context.start();

    resultEndpoint.assertIsSatisfied();
}

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From source file:org.apache.giraph.hive.input.mapping.examples.LongByteHiveToMapping.java

License:Apache License

@Override
public ByteWritable getMappingTarget(HiveReadableRecord record) {
    ByteWritable reusableTarget = getReusableMappingTarget();
    reusableTarget.set(record.getByte(1));
    return reusableTarget;
}

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From source file:org.apache.giraph.hive.input.mapping.examples.LongInt2ByteHiveToMapping.java

License:Apache License

@Override
public ByteWritable getMappingTarget(HiveReadableRecord record) {
    int target = record.getInt(1);
    ByteWritable reusableTarget = getReusableMappingTarget();
    int bVal = target % numWorkers;
    if ((bVal >>> 8) != 0) {
        throw new IllegalStateException("target % numWorkers overflows " + "byte range");
    }/*from   w  ww  .  j a  va2  s.c  o m*/
    reusableTarget.set((byte) bVal);
    return reusableTarget;
}

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From source file:org.apache.giraph.mapping.LongByteMappingStore.java

License:Apache License

@Override
public ByteWritable getTarget(LongWritable vertexId, ByteWritable target) {
    Byte bval = getByteTarget(vertexId);
    if (bval == -1) { // worker not assigned by mapping
        return null;
    }//from ww  w .  jav a  2  s  . c om
    target.set(bval);
    return target;
}

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From source file:org.apache.giraph.types.ByteToByteWritableWrapper.java

License:Apache License

@Override
public void wrap(Byte javaValue, ByteWritable writableValue) {
    writableValue.set(javaValue);
}

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From source file:org.apache.giraph.types.ops.ByteTypeOps.java

License:Apache License

@Override
public void set(ByteWritable to, ByteWritable from) {
    to.set(from.get());
}

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From source file:org.apache.giraph.types.ops.collections.array.WByteArrayList.java

License:Apache License

@Override
public void getIntoW(int index, ByteWritable to) {
    to.set(getByte(index));
}

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From source file:org.apache.giraph.types.ops.collections.array.WByteArrayList.java

License:Apache License

@Override
public void popIntoW(ByteWritable to) {
    to.set(popByte());
}

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From source file:org.apache.orc.mapred.OrcMapredRecordReader.java

License:Apache License

static ByteWritable nextByte(ColumnVector vector, int row, Object previous) {
    if (vector.isRepeating) {
        row = 0;/* www  .jav  a  2  s .com*/
    }
    if (vector.noNulls || !vector.isNull[row]) {
        ByteWritable result;
        if (previous == null || previous.getClass() != ByteWritable.class) {
            result = new ByteWritable();
        } else {
            result = (ByteWritable) previous;
        }
        result.set((byte) ((LongColumnVector) vector).vector[row]);
        return result;
    } else {
        return null;
    }
}

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