Examples with DataOutputViewStreamWrapper org.apache.flink.core.memory.DataOutputViewStreamWrapper used on opensource projects

Example 11 with DataOutputViewStreamWrapper

use of org.apache.flink.core.memory.DataOutputViewStreamWrapper in project flink by apache.

the class FoldApplyAllWindowFunction method setOutputType.

@Override
public void setOutputType(TypeInformation<R> outTypeInfo, ExecutionConfig executionConfig) {
    // out type is not used, just use this for the execution config
    accSerializer = accTypeInformation.createSerializer(executionConfig);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputViewStreamWrapper out = new DataOutputViewStreamWrapper(baos);
    try {
        accSerializer.serialize(initialValue, out);
    } catch (IOException ioe) {
        throw new RuntimeException("Unable to serialize initial value of type " + initialValue.getClass().getSimpleName() + " of fold window function.", ioe);
    }
    serializedInitialValue = baos.toByteArray();
}

Example 12 with DataOutputViewStreamWrapper

use of org.apache.flink.core.memory.DataOutputViewStreamWrapper in project flink by apache.

the class StreamGroupedFold method setOutputType.

@Override
public void setOutputType(TypeInformation<OUT> outTypeInfo, ExecutionConfig executionConfig) {
    outTypeSerializer = outTypeInfo.createSerializer(executionConfig);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputViewStreamWrapper out = new DataOutputViewStreamWrapper(baos);
    try {
        outTypeSerializer.serialize(initialValue, out);
    } catch (IOException ioe) {
        throw new RuntimeException("Unable to serialize initial value of type " + initialValue.getClass().getSimpleName() + " of fold operator.", ioe);
    }
    serializedInitialValue = baos.toByteArray();
}

Example 13 with DataOutputViewStreamWrapper

use of org.apache.flink.core.memory.DataOutputViewStreamWrapper in project flink by apache.

the class FoldApplyProcessAllWindowFunction method setOutputType.

@Override
public void setOutputType(TypeInformation<R> outTypeInfo, ExecutionConfig executionConfig) {
    accSerializer = accTypeInformation.createSerializer(executionConfig);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputViewStreamWrapper out = new DataOutputViewStreamWrapper(baos);
    try {
        accSerializer.serialize(initialValue, out);
    } catch (IOException ioe) {
        throw new RuntimeException("Unable to serialize initial value of type " + initialValue.getClass().getSimpleName() + " of fold window function.", ioe);
    }
    serializedInitialValue = baos.toByteArray();
}

Example 14 with DataOutputViewStreamWrapper

use of org.apache.flink.core.memory.DataOutputViewStreamWrapper in project flink by apache.

the class FoldApplyProcessWindowFunction method setOutputType.

@Override
public void setOutputType(TypeInformation<R> outTypeInfo, ExecutionConfig executionConfig) {
    accSerializer = accTypeInformation.createSerializer(executionConfig);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputViewStreamWrapper out = new DataOutputViewStreamWrapper(baos);
    try {
        accSerializer.serialize(initialValue, out);
    } catch (IOException ioe) {
        throw new RuntimeException("Unable to serialize initial value of type " + initialValue.getClass().getSimpleName() + " of fold window function.", ioe);
    }
    serializedInitialValue = baos.toByteArray();
}

Example 15 with DataOutputViewStreamWrapper

use of org.apache.flink.core.memory.DataOutputViewStreamWrapper in project flink by apache.

the class FoldApplyWindowFunction method setOutputType.

@Override
public void setOutputType(TypeInformation<R> outTypeInfo, ExecutionConfig executionConfig) {
    // out type is not used, just use this for the execution config
    accSerializer = accTypeInformation.createSerializer(executionConfig);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputViewStreamWrapper out = new DataOutputViewStreamWrapper(baos);
    try {
        accSerializer.serialize(initialValue, out);
    } catch (IOException ioe) {
        throw new RuntimeException("Unable to serialize initial value of type " + initialValue.getClass().getSimpleName() + " of fold window function.", ioe);
    }
    serializedInitialValue = baos.toByteArray();
}