Package org.apache.hadoop.io

Examples of org.apache.hadoop.io.DataInputBuffer.reset()

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        DataOutputBuffer output = new DataOutputBuffer();
        writable.write(output);

        Writable copy = (Writable) loader.newModel("Primitives").unwrap();
        DataInputBuffer input = new DataInputBuffer();
        input.reset(output.getData(), output.getLength());
        copy.readFields(input);

        assertThat(input.read(), is(-1));
        assertThat(writable, equalTo(copy));
    }
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        return results;
    }

    static <T extends Writable> T des(T writable, byte[] serialized) throws IOException {
        DataInputBuffer buf = new DataInputBuffer();
        buf.reset(serialized, serialized.length);
        writable.readFields(buf);
        return writable;
    }

    static int cmp(WritableRawComparable a, WritableRawComparable b) throws IOException {
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        return results;
    }

    static <T extends Writable> T des(T writable, byte[] serialized) throws IOException {
        DataInputBuffer buf = new DataInputBuffer();
        buf.reset(serialized, serialized.length);
        writable.readFields(buf);
        return writable;
    }

    static int cmp(WritableRawComparable a, WritableRawComparable b) throws IOException {
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        return Arrays.copyOf(buffer.getData(), buffer.getLength());
    }

    static <T extends Writable> T read(T writable, byte[] bytes) {
        DataInputBuffer buffer = new DataInputBuffer();
        buffer.reset(bytes, bytes.length);
        try {
            writable.readFields(buffer);
        } catch (IOException e) {
            throw new AssertionError(e);
        }
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        return Arrays.copyOf(buffer.getData(), buffer.getLength());
    }

    static <T extends Writable> T read(T writable, byte[] bytes) {
        DataInputBuffer buffer = new DataInputBuffer();
        buffer.reset(bytes, bytes.length);
        try {
            writable.readFields(buffer);
            assertThat("Enf of Stream", buffer.read(), is(-1));
        } catch (IOException e) {
            throw new AssertionError(e);
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        object.set("value", null);
        modelOut.write(object.unwrap());
        modelOut.close();

        DataInputBuffer input = new DataInputBuffer();
        input.reset(output.getData(), output.getLength());
        ModelInput<Object> modelIn = (ModelInput<Object>) type.getAnnotation(ModelInputLocation.class)
            .value()
            .getDeclaredConstructor(RecordParser.class)
            .newInstance(new TsvParser(new InputStreamReader(input, "UTF-8")));
        ModelWrapper copy = loader.newModel("Simple");
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        modelOut.write(object.unwrap());
        modelOut.write(object.unwrap());
        modelOut.close();

        DataInputBuffer input = new DataInputBuffer();
        input.reset(output.getData(), output.getLength());
        ModelInput<Object> modelIn = (ModelInput<Object>) type.getAnnotation(ModelInputLocation.class)
            .value()
            .getDeclaredConstructor(RecordParser.class)
            .newInstance(new TsvParser(new InputStreamReader(input, "UTF-8")));
        ModelWrapper copy = loader.newModel("Primitives");
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    Bytes.writeByteArray(dob, new byte[]{'a'});
    // this is the dynamic protocol name
    dob.writeUTF(protocolName);

    DataInputBuffer dib = new DataInputBuffer();
    dib.reset(dob.getData(), dob.getLength());

    Exec after = new Exec();
    after.setConf(HBaseConfiguration.create());
    after.readFields(dib);
    // no error thrown
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    // clone origToken into newToken
    DataInputBuffer inBuf = new DataInputBuffer();
    DataOutputBuffer outBuf = new DataOutputBuffer();
    origToken.write(outBuf);
    inBuf.reset(outBuf.getData(), 0, outBuf.getLength());
    newToken.readFields(inBuf);
   
    // now test the fields
    assertEquals("alice", newToken.getUser().getUserName());
    assertEquals(new Text("bob"), newToken.getRenewer());
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    TestDelegationTokenIdentifier dtid = new TestDelegationTokenIdentifier(
        owner, renewer, realUser);
    DataOutputBuffer out = new DataOutputBuffer();
    dtid.writeImpl(out);
    DataInputBuffer in = new DataInputBuffer();
    in.reset(out.getData(), out.getLength());
    try {
      TestDelegationTokenIdentifier dtid2 =
          new TestDelegationTokenIdentifier();
      dtid2.readFields(in);
      assertTrue(dtid.equals(dtid2));
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