de.lmu.ifi.dbs.elki.database.ids.integer

Class IntegerDBIDPair

java.lang.Object

de.lmu.ifi.dbs.elki.database.ids.integer.IntegerDBIDPair

All Implemented Interfaces:

DBIDPair, DBIDs, IntegerDBIDs

class IntegerDBIDPair
extends Object
implements DBIDPair, IntegerDBIDs

DBID pair using two ints for storage.

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	IntegerDBIDPair.Itr Iterator.

Field Summary

Fields

Modifier and Type	Field and Description
int	first First value in pair
int	second Second value in pair

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	IntegerDBIDPair(int first, int second) Initialize pair

Method Summary

Modifier and Type	Method and Description
boolean	contains(DBIDRef o) Test whether an ID is contained.
boolean	equals(Object obj)
IntegerDBID	getFirst() Deprecated.
IntegerDBID	getSecond() Deprecated.
int	hashCode() Canonical hash function, mixing the two hash values.
boolean	isEmpty() Test for an empty DBID collection.
IntegerDBIDIter	iter() Get a DBID iterator (a more efficient API).
int	size() Retrieve the collection / data size.
String	toString() Canonical toString operator

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

first

public int first

First value in pair

second

public int second

Second value in pair

Constructor Detail

IntegerDBIDPair

protected IntegerDBIDPair(int first,
                          int second)

Initialize pair

Parameters:

first - first parameter

second - second parameter

Method Detail

toString

public String toString()

Canonical toString operator

Overrides:

toString in class Object

getFirst

@Deprecated
public final IntegerDBID getFirst()

Deprecated.

Description copied from interface: DBIDPair

Getter for first.

Specified by:

getFirst in interface DBIDPair

Returns:

first element in pair

getSecond

@Deprecated
public final IntegerDBID getSecond()

Deprecated.

Description copied from interface: DBIDPair

Getter for second element in pair

Specified by:

getSecond in interface DBIDPair

Returns:

second element in pair

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public final int hashCode()

Canonical hash function, mixing the two hash values.

Overrides:

hashCode in class Object

size

public int size()

Description copied from interface: DBIDs

Retrieve the collection / data size.

Specified by:

size in interface DBIDs

Returns:

collection size

contains

public boolean contains(DBIDRef o)

Description copied from interface: DBIDs

Test whether an ID is contained.

Specified by:

contains in interface DBIDs

Parameters:

o - object to test

Returns:

true when contained

isEmpty

public boolean isEmpty()

Description copied from interface: DBIDs

Test for an empty DBID collection.

Specified by:

isEmpty in interface DBIDs

Returns:

true when empty.

iter

public IntegerDBIDIter iter()

Description copied from interface: DBIDs

Get a DBID iterator (a more efficient API). usage example:

 
 for(DBIDIter iter = ids.iter(); iter.valid(); iter.advance()) {
   DBID id = iter.getDBID();
 }
 
 

Specified by:

iter in interface DBIDs

Specified by:

iter in interface IntegerDBIDs

Returns:

iterator