Example usage for org.apache.mahout.math.hadoop.stochasticsvd SplitPartitionedWritable getTaskId

Introduction

In this page you can find the example usage for org.apache.mahout.math.hadoop.stochasticsvd SplitPartitionedWritable getTaskId.

Prototype

public int getTaskId() 

Source Link

Usage

From source file:org.apache.hadoop.mapred.nativetask.testutil.BytesUtil.java

License:Apache License

private static <VTYPE> byte[] MahoutObjectToBytes(VTYPE obj) {
    String className = obj.getClass().getName();
    if (className.equals(VarIntWritable.class.getName())) {
        return Bytes.toBytes(((VarIntWritable) obj).get());
    } else if (className.equals(VarLongWritable.class.getName())) {
        return Bytes.toBytes(((VarLongWritable) obj).get());
    } else if (className.equals(TreeID.class.getName())) {
        return Bytes.toBytes(((TreeID) obj).get());
    } else if (className.equals(SplitPartitionedWritable.class.getName())) {
        byte[] bytes = new byte[12];
        SplitPartitionedWritable spWritable = (SplitPartitionedWritable) obj;
        System.arraycopy(Bytes.toBytes(spWritable.getTaskId()), 0, bytes, 0, 4);
        System.arraycopy(Bytes.toBytes(spWritable.getTaskItemOrdinal()), 0, bytes, 4, 8);
        return bytes;
    } else if (className.equals(EntityEntityWritable.class.getName())) {
        byte[] bytes = new byte[16];
        String[] nums = ((EntityEntityWritable) obj).toString().split("\t");
        System.arraycopy(Bytes.toBytes(Long.parseLong(nums[0])), 0, bytes, 0, 8);
        System.arraycopy(Bytes.toBytes(Long.parseLong(nums[1])), 0, bytes, 8, 8);
        return bytes;
    } else if (className.equals(Gram.class.getName())) {
        return ((Gram) obj).getBytes();
    } else if (className.equals(GramKey.class.getName())) {
        return ((GramKey) obj).getBytes();
    } else if (className.equals(StringTuple.class.getName())) {
        return Bytes.toBytes(((StringTuple) obj).toString());
    } else {/*from  ww  w.  j ava2s . co m*/
        return new byte[0];
    }
}

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