edu.cmu.sphinx.fst

Class ImmutableFst

java.lang.Object

edu.cmu.sphinx.fst.Fst

edu.cmu.sphinx.fst.ImmutableFst

public class ImmutableFst
extends Fst

An immutable finite state transducer implementation. Holds a fixed size array of ImmutableState objects not allowing additions/deletions

Field Summary

Fields inherited from class edu.cmu.sphinx.fst.Fst

isyms, osyms, semiring, start

Method Summary

Modifier and Type	Method and Description
void	addState(State state) Adds a state to the fst
void	deleteState(State state) Deletes a state
boolean	equals(java.lang.Object obj)
int	getNumStates() Get the number of states in the fst
ImmutableState	getState(int index)
int	hashCode()
static ImmutableFst	loadModel(java.io.InputStream inputStream) Deserializes an ImmutableFst from an InputStream
static ImmutableFst	loadModel(java.lang.String filename) Deserializes an ImmutableFst from disk
void	saveModel(java.lang.String filename) Saves binary model to disk
java.lang.String	toString()

Methods inherited from class edu.cmu.sphinx.fst.Fst

deleteStates, getIsyms, getOsyms, getSemiring, getStart, readStringMap, remapStateIds, setIsyms, setOsyms, setSemiring, setStart

Methods inherited from class java.lang.Object

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

Method Detail

getNumStates

public int getNumStates()

Description copied from class: Fst

Get the number of states in the fst

Overrides:

getNumStates in class Fst

Returns:

number of states

getState

public ImmutableState getState(int index)

Overrides:

getState in class Fst

addState

public void addState(State state)

Description copied from class: Fst

Adds a state to the fst

Overrides:

addState in class Fst

Parameters:

state - the state to be added

saveModel

public void saveModel(java.lang.String filename)
               throws java.io.IOException

Description copied from class: Fst

Saves binary model to disk

Overrides:

saveModel in class Fst

Parameters:

filename - the binary model filename

Throws:

java.io.IOException - if IO went wrong

loadModel

public static ImmutableFst loadModel(java.io.InputStream inputStream)
                              throws java.io.IOException,
                                     java.lang.ClassNotFoundException

Deserializes an ImmutableFst from an InputStream

Parameters:

inputStream - the InputStream. It should be already be initialized by the caller.

Returns:

Immutable FST structure

Throws:

java.io.IOException - IO went wrong

java.lang.ClassNotFoundException - serialization had issues

loadModel

public static ImmutableFst loadModel(java.lang.String filename)

Deserializes an ImmutableFst from disk

Parameters:

filename - the binary model filename

Returns:

loaded FST

deleteState

public void deleteState(State state)

Description copied from class: Fst

Deletes a state

Overrides:

deleteState in class Fst

Parameters:

state - the state to delete

toString

public java.lang.String toString()

Overrides:

toString in class Fst

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class Fst

hashCode

public int hashCode()

Overrides:

hashCode in class Fst