Examples with StdInstantiatorStrategy org.objenesis.strategy.StdInstantiatorStrategy used on opensource projects

Example 11 with StdInstantiatorStrategy

use of org.objenesis.strategy.StdInstantiatorStrategy in project storm by apache.

the class KinesisConnectionInfo method getKryoSerializedBytes.

private byte[] getKryoSerializedBytes(final Object obj) {
    final Kryo kryo = new Kryo();
    final ByteArrayOutputStream os = new ByteArrayOutputStream();
    final Output output = new Output(os);
    kryo.setInstantiatorStrategy(new StdInstantiatorStrategy());
    kryo.writeClassAndObject(output, obj);
    output.flush();
    return os.toByteArray();
}

Example 12 with StdInstantiatorStrategy

use of org.objenesis.strategy.StdInstantiatorStrategy in project beam by apache.

the class AvroCoderTest method testKryoSerialization.

/**
   * Confirm that we can serialize and deserialize an AvroCoder object using Kryo.
   * (BEAM-626).
   *
   * @throws Exception
   */
@Test
public void testKryoSerialization() throws Exception {
    Pojo value = new Pojo("Hello", 42);
    AvroCoder<Pojo> coder = AvroCoder.of(Pojo.class);
    //Kryo instantiation
    Kryo kryo = new Kryo();
    kryo.setInstantiatorStrategy(new StdInstantiatorStrategy());
    //Serialization of object without any memoization
    ByteArrayOutputStream coderWithoutMemoizationBos = new ByteArrayOutputStream();
    try (Output output = new Output(coderWithoutMemoizationBos)) {
        kryo.writeObject(output, coder);
    }
    // Force thread local memoization to store values.
    CoderProperties.coderDecodeEncodeEqual(coder, value);
    // Serialization of object with memoized fields
    ByteArrayOutputStream coderWithMemoizationBos = new ByteArrayOutputStream();
    try (Output output = new Output(coderWithMemoizationBos)) {
        kryo.writeObject(output, coder);
    }
    // Copy empty and memoized variants of the Coder
    ByteArrayInputStream bisWithoutMemoization = new ByteArrayInputStream(coderWithoutMemoizationBos.toByteArray());
    AvroCoder<Pojo> copiedWithoutMemoization = (AvroCoder<Pojo>) kryo.readObject(new Input(bisWithoutMemoization), AvroCoder.class);
    ByteArrayInputStream bisWithMemoization = new ByteArrayInputStream(coderWithMemoizationBos.toByteArray());
    AvroCoder<Pojo> copiedWithMemoization = (AvroCoder<Pojo>) kryo.readObject(new Input(bisWithMemoization), AvroCoder.class);
    CoderProperties.coderDecodeEncodeEqual(copiedWithoutMemoization, value);
    CoderProperties.coderDecodeEncodeEqual(copiedWithMemoization, value);
}

Example 13 with StdInstantiatorStrategy

use of org.objenesis.strategy.StdInstantiatorStrategy in project chuidiang-ejemplos by chuidiang.

the class KryoExample method main.

public static void main(String[] args) {
    Kryo serializer = new Kryo();
    // It's necessary for classes without default constructor
    serializer.setInstantiatorStrategy(new Kryo.DefaultInstantiatorStrategy(new StdInstantiatorStrategy()));
    ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
    Output os = new Output(byteStream);
    SomeLittleClass instance = SomeLittleClass.newInstance(2);
    serializer.writeObject(os, instance);
    os.close();
    System.out.println(byteStream.toByteArray().length);
    Input input = new Input(byteStream.toByteArray());
    SomeLittleClass read = serializer.readObject(input, SomeLittleClass.class);
    System.out.println(read.toString());
    byteStream = new ByteArrayOutputStream();
    os = new Output(byteStream);
    SomeMediumClass mediumClass = new SomeMediumClass();
    serializer.writeObject(os, mediumClass);
    os.close();
    System.out.println(byteStream.toByteArray().length);
    input = new Input(byteStream.toByteArray());
    SomeMediumClass mediumClassRead = serializer.readObject(input, SomeMediumClass.class);
    System.out.println(mediumClassRead);
}