org.apache.phoenix.util

Class TupleUtil

java.lang.Object

org.apache.phoenix.util.TupleUtil

public class TupleUtil
extends Object

Utilities for Tuple

Since:

0.1

Method Summary

Modifier and Type	Method and Description
static int	compare(Tuple t1, Tuple t2, ImmutableBytesWritable ptr)
static int	compare(Tuple t1, Tuple t2, ImmutableBytesWritable ptr, int keyOffset)
static boolean	equals(Tuple t1, Tuple t2, ImmutableBytesWritable ptr)
static void	getAggregateValue(Tuple r, ImmutableBytesWritable ptr) Set ptr to point to the value contained in the first KeyValue without exploding Result into KeyValue array.
static ImmutableBytesPtr	getConcatenatedValue(Tuple result, List<Expression> expressions) Concatenate results evaluated against a list of expressions
static int	write(Tuple result, DataOutput out)

Methods inherited from class java.lang.Object

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

Method Detail

equals

public static boolean equals(Tuple t1,
                             Tuple t2,
                             ImmutableBytesWritable ptr)

compare

public static int compare(Tuple t1,
                          Tuple t2,
                          ImmutableBytesWritable ptr)

compare

public static int compare(Tuple t1,
                          Tuple t2,
                          ImmutableBytesWritable ptr,
                          int keyOffset)

getAggregateValue

public static void getAggregateValue(Tuple r,
                                     ImmutableBytesWritable ptr)

Set ptr to point to the value contained in the first KeyValue without exploding Result into KeyValue array.

Parameters:

r -

ptr -

getConcatenatedValue

public static ImmutableBytesPtr getConcatenatedValue(Tuple result,
                                                     List<Expression> expressions)
                                              throws IOException

Concatenate results evaluated against a list of expressions

Parameters:

result - the tuple for expression evaluation

expressions -

Returns:

the concatenated byte array as ImmutableBytesWritable

Throws:

IOException

write

public static int write(Tuple result,
                        DataOutput out)
                 throws IOException

Throws:

IOException