com.ibm.wala.util.intset

Class OffsetOrdinalSetMapping<T>

java.lang.Object

com.ibm.wala.util.intset.OffsetOrdinalSetMapping<T>

All Implemented Interfaces:

OrdinalSetMapping<T>, Iterable<T>

public class OffsetOrdinalSetMapping<T>
extends Object
implements OrdinalSetMapping<T>

An ordinal set mapping, backed a delegate, but adding an offset to each index.

Method Summary

Modifier and Type	Method and Description
int	add(T o) Add an Object to the set of mapped objects.
int	getMappedIndex(Object o)
T	getMappedObject(int n)
int	getMaximumIndex()
int	getSize()
boolean	hasMappedIndex(T o)
Iterator<T>	iterator()
static <T> OffsetOrdinalSetMapping<T>	make(int offset)
static <T> OffsetOrdinalSetMapping<T>	make(OrdinalSetMapping<T> delegate, int offset)
Stream<T>	stream() Stream over mapped objects.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Detail

getMaximumIndex

public int getMaximumIndex()

Specified by:

getMaximumIndex in interface OrdinalSetMapping<T>

Returns:

the maximum integer mapped to an object

getSize

public int getSize()

Specified by:

getSize in interface OrdinalSetMapping<T>

Returns:

the current size of the bijection

make

public static <T> OffsetOrdinalSetMapping<T> make(OrdinalSetMapping<T> delegate,
                                                  int offset)

make

public static <T> OffsetOrdinalSetMapping<T> make(int offset)

add

public int add(T o)

Description copied from interface: OrdinalSetMapping

Add an Object to the set of mapped objects.

Specified by:

add in interface OrdinalSetMapping<T>

Returns:

the integer to which the object is mapped.

getMappedIndex

public int getMappedIndex(Object o)

Specified by:

getMappedIndex in interface OrdinalSetMapping<T>

Returns:

the number of a given object, or -1 if the object is not currently in the range.

getMappedObject

public T getMappedObject(int n)
                  throws NoSuchElementException

Specified by:

getMappedObject in interface OrdinalSetMapping<T>

Returns:

the object numbered n.

Throws:

NoSuchElementException

hasMappedIndex

public boolean hasMappedIndex(T o)

Specified by:

hasMappedIndex in interface OrdinalSetMapping<T>

Returns:

whether the given object is mapped by this mapping

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

stream

public Stream<T> stream()

Description copied from interface: OrdinalSetMapping

Stream over mapped objects.

Specified by:

stream in interface OrdinalSetMapping<T>

Returns:

a stream over the mapped objects