edu.cmu.sphinx.linguist.acoustic
Class LeftRightContext

java.lang.Object
  edu.cmu.sphinx.linguist.acoustic.Context
      edu.cmu.sphinx.linguist.acoustic.LeftRightContext

All Implemented Interfaces:

java.io.Serializable

public class LeftRightContext
extends Context

Represents the context for a unit

See Also:

Serialized Form

Field Summary

Fields inherited from class edu.cmu.sphinx.linguist.acoustic.Context

EMPTY_CONTEXT

Method Summary

static LeftRightContext	get(Unit[] leftContext, Unit[] rightContext) Factory method for creating a left/right context
static java.lang.String	getContextName(Unit[] context) Gets the context name for a particular array of units
Unit[]	getLeftContext() Retrieves the left context for this unit
Unit[]	getRightContext() Retrieves the right context for this unit
boolean	isPartialMatch(Context context) Checks to see if there is a partial match with the given context.
java.lang.String	toString() Provides a string representation of a context

Methods inherited from class edu.cmu.sphinx.linguist.acoustic.Context

equals, hashCode

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

toString

public java.lang.String toString()

Provides a string representation of a context

Overrides:

toString in class Context

get

public static LeftRightContext get(Unit[] leftContext,
                                   Unit[] rightContext)

Factory method for creating a left/right context

Parameters:

leftContext - the left context or null if no left context

rightContext - the right context or null if no right context

Returns:

a left right context

getLeftContext

public Unit[] getLeftContext()

Retrieves the left context for this unit

Returns:

the left context

getRightContext

public Unit[] getRightContext()

Retrieves the right context for this unit

Returns:

the right context

getContextName

public static java.lang.String getContextName(Unit[] context)

Gets the context name for a particular array of units

Parameters:

context - the context

Returns:

the context name

isPartialMatch

public boolean isPartialMatch(Context context)

Checks to see if there is a partial match with the given context. If both contexts are LeftRightContexts then a left or right context that is null is considered a wild card and matches anything, othewise the contexts must match exactly. Anything matches the Context.EMPTY_CONTEXT

Overrides:

isPartialMatch in class Context

Parameters:

context - the context to check

Returns:

true if there is a partial match