org.egothor.util.hash

Class Bucket

java.lang.Object

org.egothor.util.hash.Bucket

public final class Bucket
extends Object

Author:

galambos

Constructor Summary

Constructors

Constructor and Description
Bucket(int bucketsize, int datasize)
Bucket(int bucketsize, long fromoff, DataInput from, int datasize)

Method Summary

Modifier and Type	Method and Description
long	put(byte[] data, int localoffset, long id) Put the new data element into the hash table.

Methods inherited from class java.lang.Object

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

Constructor Detail

Bucket

public Bucket(int bucketsize,
              int datasize)

Parameters:

bucketsize - total size of the bucket

datasize - size of one datablock

Bucket

public Bucket(int bucketsize,
              long fromoff,
              DataInput from,
              int datasize)
       throws IOException

Throws:

IOException

Method Detail

put

public long put(byte[] data,
                int localoffset,
                long id)

Put the new data element into the hash table. If the item is already inhere, then its negative id value is returned (the id value when the item has come). The id is returned when the data is new in this bucket, and 0 is returned if and only if the bucket is full. The id value must not be passed with 0 value.

Parameters:

data - the data block added

localoffset - the index position; the bytes of data before this index are skipped when compared with the items of this bucket

id - the new id suggested