edu.berkeley.nlp.lm.values

Class UnrankedUncompressedProbBackoffValueContainer

java.lang.Object

edu.berkeley.nlp.lm.values.UnrankedUncompressedProbBackoffValueContainer

All Implemented Interfaces:

ProbBackoffValueContainer, ValueContainer<ProbBackoffPair>, java.io.Serializable

public final class UnrankedUncompressedProbBackoffValueContainer
extends java.lang.Object
implements ProbBackoffValueContainer

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
UnrankedUncompressedProbBackoffValueContainer(boolean storePrefixes, long[] numNgramsForEachOrder)

Method Summary

Modifier and Type	Method and Description
boolean	add(int[] ngram, int startPos, int endPos, int ngramOrder, long offset, long contextOffset, int word, ProbBackoffPair val_, long suffixOffset, boolean ngramIsNew) Adds a new value at the specified offset.
void	clearStorageForOrder(int ngramOrder)
UnrankedUncompressedProbBackoffValueContainer	createFreshValues(long[] numNgramsForEachOrder_) Creates a fresh value container for copying purposes.
float	getBackoff(int ngramOrder, long index)
void	getFromOffset(long index, int ngramOrder, ProbBackoffPair outputVal) Gets the value living at a particular offset.
float	getProb(int ngramOrder, long index)
ProbBackoffPair	getScratchValue() Creates a fresh value of object (useful for passing as an output parameter)
long	getSuffixOffset(long index, int ngramOrder)
int	numValueBits(int ngramOrder)
void	setFromOtherValues(ValueContainer<ProbBackoffPair> other) Destructively sets internal storage from another object.
void	setMap(NgramMap<ProbBackoffPair> map) Initializes a value container with the map that contains it
void	setSizeAtLeast(long size, int ngramOrder) Sets internal storage for size for a particular n-gram order
boolean	storeSuffixoffsets()
void	trim() Final clean up of storage.
void	trimAfterNgram(int ngramOrder, long size) Clear storage after an n-gram order is complete

Methods inherited from class java.lang.Object

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

Constructor Detail

UnrankedUncompressedProbBackoffValueContainer

public UnrankedUncompressedProbBackoffValueContainer(boolean storePrefixes,
                                                     long[] numNgramsForEachOrder)

Method Detail

createFreshValues

public UnrankedUncompressedProbBackoffValueContainer createFreshValues(long[] numNgramsForEachOrder_)

Description copied from interface: ValueContainer

Creates a fresh value container for copying purposes.

Specified by:

createFreshValues in interface ValueContainer<ProbBackoffPair>

Returns:

getProb

public final float getProb(int ngramOrder,
                           long index)

Specified by:

getProb in interface ProbBackoffValueContainer

getFromOffset

public void getFromOffset(long index,
                          int ngramOrder,
                          ProbBackoffPair outputVal)

Description copied from interface: ValueContainer

Gets the value living at a particular offset.

Specified by:

getFromOffset in interface ValueContainer<ProbBackoffPair>

getBackoff

public final float getBackoff(int ngramOrder,
                              long index)

Specified by:

getBackoff in interface ProbBackoffValueContainer

getScratchValue

public ProbBackoffPair getScratchValue()

Description copied from interface: ValueContainer

Creates a fresh value of object (useful for passing as an output parameter)

Specified by:

getScratchValue in interface ProbBackoffValueContainer

Specified by:

getScratchValue in interface ValueContainer<ProbBackoffPair>

Returns:

setFromOtherValues

public void setFromOtherValues(ValueContainer<ProbBackoffPair> other)

Description copied from interface: ValueContainer

Destructively sets internal storage from another object.

Specified by:

setFromOtherValues in interface ValueContainer<ProbBackoffPair>

trim

public void trim()

Description copied from interface: ValueContainer

Final clean up of storage.

Specified by:

trim in interface ValueContainer<ProbBackoffPair>

storeSuffixoffsets

public boolean storeSuffixoffsets()

Specified by:

storeSuffixoffsets in interface ValueContainer<ProbBackoffPair>

numValueBits

public int numValueBits(int ngramOrder)

Specified by:

numValueBits in interface ValueContainer<ProbBackoffPair>

add

public boolean add(int[] ngram,
                   int startPos,
                   int endPos,
                   int ngramOrder,
                   long offset,
                   long contextOffset,
                   int word,
                   ProbBackoffPair val_,
                   long suffixOffset,
                   boolean ngramIsNew)

Description copied from interface: ValueContainer

Adds a new value at the specified offset.

Specified by:

add in interface ValueContainer<ProbBackoffPair>

ngramOrder - As always, ngramOrder is 0-based (0=unigram)

Returns:

Whether or not the add was successful

setSizeAtLeast

public void setSizeAtLeast(long size,
                           int ngramOrder)

Description copied from interface: ValueContainer

Sets internal storage for size for a particular n-gram order

Specified by:

setSizeAtLeast in interface ValueContainer<ProbBackoffPair>

getSuffixOffset

public long getSuffixOffset(long index,
                            int ngramOrder)

Specified by:

getSuffixOffset in interface ProbBackoffValueContainer

trimAfterNgram

public void trimAfterNgram(int ngramOrder,
                           long size)

Description copied from interface: ValueContainer

Clear storage after an n-gram order is complete

Specified by:

trimAfterNgram in interface ValueContainer<ProbBackoffPair>

setMap

public void setMap(NgramMap<ProbBackoffPair> map)

Description copied from interface: ValueContainer

Initializes a value container with the map that contains it

Specified by:

setMap in interface ValueContainer<ProbBackoffPair>

clearStorageForOrder

public void clearStorageForOrder(int ngramOrder)

Specified by:

clearStorageForOrder in interface ValueContainer<ProbBackoffPair>