org.jrdf.util.btree
Interface RecordComparator

All Known Implementing Classes:

DefaultRecordComparator

public interface RecordComparator

Author:

Arjohn Kampman

Method Summary

int	compareBTreeValues(byte[] key, byte[] data, int offset, int length) Compares the supplied key to the value of length length, starting at offset offset in the supplied data array.

Method Detail

compareBTreeValues

int compareBTreeValues(byte[] key,
                       byte[] data,
                       int offset,
                       int length)

Compares the supplied key to the value of length length, starting at offset offset in the supplied data array.

Parameters:

key - A byte array representing the search key.

data - A byte array containing the value to compare the key to.

offset - The offset (0-based) of the value in data.

length - The length of the value.

Returns:

A negative integer when the key is smaller than the value, a positive integer when the key is larger than the value, or 0 when the key is equal to the value.