org.apache.ignite.hadoop.io

Class BytesWritablePartiallyRawComparator

java.lang.Object

org.apache.ignite.hadoop.io.BytesWritablePartiallyRawComparator

All Implemented Interfaces:

PartiallyRawComparator<BytesWritable>, org.apache.ignite.internal.processors.hadoop.io.PartiallyOffheapRawComparatorEx<BytesWritable>

public class BytesWritablePartiallyRawComparator
extends Object
implements PartiallyRawComparator<BytesWritable>, org.apache.ignite.internal.processors.hadoop.io.PartiallyOffheapRawComparatorEx<BytesWritable>

Partial raw comparator for BytesWritable data type.

Implementation is borrowed from org.apache.hadoop.io.FastByteComparisons and adopted to Ignite infrastructure.

Constructor Summary

Constructors

Constructor and Description
BytesWritablePartiallyRawComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(BytesWritable val1, long val2Ptr, int val2Len) Perform compare.
int	compare(BytesWritable val1, RawMemory val2Buf) Do compare.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BytesWritablePartiallyRawComparator

public BytesWritablePartiallyRawComparator()

Method Detail

compare

public int compare(BytesWritable val1,
                   RawMemory val2Buf)

Do compare.

Specified by:

compare in interface PartiallyRawComparator<BytesWritable>

Parameters:

val1 - First value (deserialized).

val2Buf - Second value (serialized).

Returns:

A negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object.

compare

public int compare(BytesWritable val1,
                   long val2Ptr,
                   int val2Len)

Perform compare.

Specified by:

compare in interface org.apache.ignite.internal.processors.hadoop.io.PartiallyOffheapRawComparatorEx<BytesWritable>

Parameters:

val1 - First value.

val2Ptr - Pointer to the second value data.

val2Len - Length of the second value data.

Returns:

Result.