Package com.semedy.reasoner.edb.ramstore

Class PrimaryHashIndex

java.lang.Object

com.semedy.reasoner.edb.ramstore.HashIndex

com.semedy.reasoner.edb.ramstore.PrimaryHashIndex

All Implemented Interfaces:

Index, MainMemoryIndex

public class PrimaryHashIndex
extends HashIndex

Hashindex for tuples

Author:

angele

Constructor Summary

Constructors

Constructor	Description
PrimaryHashIndex(TupleStore tuplestore, int arity, int initialSize, ReasoningMonitor monitor)

Method Summary

Modifier and Type	Method	Description
TupleEnumerator	elements()	iterator for all elements
int	getTupleAddress(int tuple)	get the address of a tuple
int	getTupleAddress(long[] tuple)	get the address of a tuple

Methods inherited from class com.semedy.reasoner.edb.ramstore.HashIndex

addTuple, addTuple, clear, containsTuple, containsTuple, containsTuple, getIndexedPositions, getNumberOfMatchingTuples, getTupleStore, hasSelectMatchingTuples, indexedValues, removeTuple, selectMatchingTuples, selectMatchingTuples, selectMatchingTuples, size, sizeInBytes

Methods inherited from class java.lang.Object

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

Constructor Details

PrimaryHashIndex

public PrimaryHashIndex(TupleStore tuplestore,
 int arity,
 int initialSize,
 ReasoningMonitor monitor)

Method Details

getTupleAddress

public int getTupleAddress(int tuple)

get the address of a tuple

Specified by:

getTupleAddress in interface MainMemoryIndex

Overrides:

getTupleAddress in class HashIndex

Parameters:

tuple -

Returns:

getTupleAddress

public int getTupleAddress(long[] tuple)

get the address of a tuple

Specified by:

getTupleAddress in interface MainMemoryIndex

Overrides:

getTupleAddress in class HashIndex

Parameters:

tuple -

Returns:

elements

public TupleEnumerator elements()

Description copied from interface: MainMemoryIndex

iterator for all elements

Specified by:

elements in interface MainMemoryIndex

Overrides:

elements in class HashIndex

Returns: