Package org.processmining.specpp.datastructures.encoding

Class HashmapEncoding<T>

java.lang.Object

org.processmining.specpp.datastructures.util.NoRehashing<java.util.Map<T,java.lang.Integer>>

org.processmining.specpp.datastructures.encoding.HashmapEncoding<T>

Type Parameters:

T - domain of this encoding

All Implemented Interfaces:

Encoding<T,java.lang.Integer>, HasDenseRange, IntEncoding<T>, Copyable<HashmapEncoding<T>>, Immutable, ProperlyHashable, ProperlyPrintable

public class HashmapEncoding<T>
extends NoRehashing<java.util.Map<T,java.lang.Integer>>
implements IntEncoding<T>, ProperlyHashable, Copyable<HashmapEncoding<T>>, ProperlyPrintable

Represents an IntEncoding<T> with an internal HashMap.

Field Summary

Fields

Modifier and Type	Field	Description
protected com.google.common.collect.BiMap<T,java.lang.Integer>	internal
protected int	size

Fields inherited from interface org.processmining.specpp.datastructures.encoding.IntEncoding

OUTSIDE_RANGE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	HashmapEncoding(com.google.common.collect.ImmutableBiMap<T,java.lang.Integer> indices)

Method Summary

Modifier and Type	Method	Description
protected void	assertInvariant()
HashmapEncoding<T>	copy()
static <T> HashmapEncoding<T>	copyOf(java.util.Map<T,java.lang.Integer> map)
T	decode(java.lang.Integer index)
java.util.stream.Stream<T>	domain()
java.lang.Integer	encode(T item)
boolean	isInDomain(T toEncode)
boolean	isInRange(java.lang.Integer toDecode)
boolean	isIntInRange(int toDecode)
protected boolean	isValid()
static <T> HashmapEncoding<T>	ofComparableSet(java.util.Set<T> items, java.util.Comparator<T> ordering)
static <T> HashmapEncoding<T>	ofList(java.util.List<T> orderedDistinctItems)
java.util.stream.IntStream	primitiveRange()
java.util.stream.Stream<java.lang.Integer>	range()
int	size()
java.lang.String	toString()

Methods inherited from class org.processmining.specpp.datastructures.util.NoRehashing

equals, hashCode

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.processmining.specpp.datastructures.encoding.Encoding

pairs

Methods inherited from interface org.processmining.specpp.traits.ProperlyHashable

hashCode

Field Detail

internal

protected final com.google.common.collect.BiMap<T,java.lang.Integer> internal

size

protected final int size

Constructor Detail

HashmapEncoding

protected HashmapEncoding(com.google.common.collect.ImmutableBiMap<T,java.lang.Integer> indices)

Method Detail

ofComparableSet

public static <T> HashmapEncoding<T> ofComparableSet(java.util.Set<T> items,
                                                     java.util.Comparator<T> ordering)

ofList

public static <T> HashmapEncoding<T> ofList(java.util.List<T> orderedDistinctItems)

assertInvariant

protected void assertInvariant()

copyOf

public static <T> HashmapEncoding<T> copyOf(java.util.Map<T,java.lang.Integer> map)

isValid

protected boolean isValid()

size

public int size()

Specified by:

size in interface Encoding<T,java.lang.Integer>

domain

public java.util.stream.Stream<T> domain()

Specified by:

domain in interface Encoding<T,java.lang.Integer>

range

public java.util.stream.Stream<java.lang.Integer> range()

Specified by:

range in interface Encoding<T,java.lang.Integer>

Specified by:

range in interface IntEncoding<T>

primitiveRange

public java.util.stream.IntStream primitiveRange()

Specified by:

primitiveRange in interface IntEncoding<T>

isInDomain

public boolean isInDomain(T toEncode)

Specified by:

isInDomain in interface Encoding<T,java.lang.Integer>

isInRange

public boolean isInRange(java.lang.Integer toDecode)

Specified by:

isInRange in interface Encoding<T,java.lang.Integer>

Specified by:

isInRange in interface IntEncoding<T>

isIntInRange

public boolean isIntInRange(int toDecode)

Specified by:

isIntInRange in interface IntEncoding<T>

encode

public java.lang.Integer encode(T item)

Specified by:

encode in interface Encoding<T,java.lang.Integer>

decode

public T decode(java.lang.Integer index)

Specified by:

decode in interface Encoding<T,java.lang.Integer>

toString

public java.lang.String toString()

Specified by:

toString in interface ProperlyPrintable

Overrides:

toString in class java.lang.Object

copy

public HashmapEncoding<T> copy()

Specified by:

copy in interface Copyable<T>