Package com.semedy.reasoner.edb.ramstore

Class TupleSymbolComparator

java.lang.Object

com.semedy.reasoner.edb.ramstore.TupleSymbolComparator

All Implemented Interfaces:

TupleBufferComparator

public class TupleSymbolComparator
extends Object
implements TupleBufferComparator

Constructor Summary

Constructors

Constructor	Description
TupleSymbolComparator(SymbolTable symbols1, SymbolTable symbols2, int arity)

Method Summary

Modifier and Type	Method	Description
int	compare(TupleBuffer buffer1, long[] buffer2)	compare a buffer with a tuple as array
int	compare(TupleBuffer buffer1, TupleBuffer buffer2)	compare two buffers

Methods inherited from class java.lang.Object

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

Constructor Details

TupleSymbolComparator

public TupleSymbolComparator(SymbolTable symbols1,
 SymbolTable symbols2,
 int arity)

Method Details

compare

public int compare(TupleBuffer buffer1,
 TupleBuffer buffer2)
            throws IOException

Description copied from interface: TupleBufferComparator

compare two buffers

Specified by:

compare in interface TupleBufferComparator

Returns:

-1 if tuple1 < tuple2, 0 if tuple1 = tuple2, 1 if tuple1 > tuple2

Throws:

IOException

compare

public int compare(TupleBuffer buffer1,
 long[] buffer2)

Description copied from interface: TupleBufferComparator

compare a buffer with a tuple as array

Specified by:

compare in interface TupleBufferComparator

Returns:

-1 if tuple1 < tuple2, 0 if tuple1 = tuple2, 1 if tuple1 > tuple2