Example usage for org.apache.hadoop.io ObjectWritable writeObject

Introduction

In this page you can find the example usage for org.apache.hadoop.io ObjectWritable writeObject.

Prototype

public static void writeObject(DataOutput out, Object instance, Class declaredClass, Configuration conf)
        throws IOException 

Source Link

Document

Write a Writable , String , primitive type, or an array of the preceding.

Usage

From source file:org.apache.gora.filter.MapFieldValueFilter.java

License:Apache License

@Override
public void write(DataOutput out) throws IOException {
    Text.writeString(out, fieldName);
    Text.writeString(out, mapKey.toString());
    WritableUtils.writeEnum(out, filterOp);
    WritableUtils.writeVInt(out, operands.size());
    for (int i = 0; i < operands.size(); i++) {
        Object operand = operands.get(i);
        if (operand instanceof String) {
            throw new IllegalStateException("Use Utf8 instead of String for operands");
        }//from   ww  w .  j  a v  a 2s  .c  o m
        if (operand instanceof Utf8) {
            operand = operand.toString();
        }
        if (operand instanceof Boolean) {
            ObjectWritable.writeObject(out, operand, Boolean.TYPE, conf);
        } else if (operand instanceof Character) {
            ObjectWritable.writeObject(out, operand, Character.TYPE, conf);
        } else if (operand instanceof Byte) {
            ObjectWritable.writeObject(out, operand, Byte.TYPE, conf);
        } else if (operand instanceof Short) {
            ObjectWritable.writeObject(out, operand, Short.TYPE, conf);
        } else if (operand instanceof Integer) {
            ObjectWritable.writeObject(out, operand, Integer.TYPE, conf);
        } else if (operand instanceof Long) {
            ObjectWritable.writeObject(out, operand, Long.TYPE, conf);
        } else if (operand instanceof Float) {
            ObjectWritable.writeObject(out, operand, Float.TYPE, conf);
        } else if (operand instanceof Double) {
            ObjectWritable.writeObject(out, operand, Double.TYPE, conf);
        } else if (operand instanceof Void) {
            ObjectWritable.writeObject(out, operand, Void.TYPE, conf);
        } else {
            ObjectWritable.writeObject(out, operand, operand.getClass(), conf);
        }
    }
    out.writeBoolean(filterIfMissing);
}

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From source file:org.apache.gora.filter.SingleFieldValueFilter.java

License:Apache License

@Override
public void write(DataOutput out) throws IOException {
    Text.writeString(out, fieldName);
    WritableUtils.writeEnum(out, filterOp);
    WritableUtils.writeVInt(out, operands.size());
    for (int i = 0; i < operands.size(); i++) {
        Object operand = operands.get(i);
        if (operand instanceof String) {
            throw new IllegalStateException("Use Utf8 instead of String for operands");
        }/*from  w w  w  . ja  v  a2 s.  co  m*/
        if (operand instanceof Utf8) {
            operand = operand.toString();
        }
        if (operand instanceof Boolean) {
            ObjectWritable.writeObject(out, operand, Boolean.TYPE, conf);
        } else if (operand instanceof Character) {
            ObjectWritable.writeObject(out, operand, Character.TYPE, conf);
        } else if (operand instanceof Byte) {
            ObjectWritable.writeObject(out, operand, Byte.TYPE, conf);
        } else if (operand instanceof Short) {
            ObjectWritable.writeObject(out, operand, Short.TYPE, conf);
        } else if (operand instanceof Integer) {
            ObjectWritable.writeObject(out, operand, Integer.TYPE, conf);
        } else if (operand instanceof Long) {
            ObjectWritable.writeObject(out, operand, Long.TYPE, conf);
        } else if (operand instanceof Float) {
            ObjectWritable.writeObject(out, operand, Float.TYPE, conf);
        } else if (operand instanceof Double) {
            ObjectWritable.writeObject(out, operand, Double.TYPE, conf);
        } else if (operand instanceof Void) {
            ObjectWritable.writeObject(out, operand, Void.TYPE, conf);
        } else {
            ObjectWritable.writeObject(out, operand, operand.getClass(), conf);
        }
    }
    out.writeBoolean(filterIfMissing);
}

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