marytts.tools.dbselection

Class DatabaseCFProvider

java.lang.Object

marytts.tools.dbselection.DatabaseCFProvider

All Implemented Interfaces:

CoverageFeatureProvider

public class DatabaseCFProvider
extends Object
implements CoverageFeatureProvider

Author:

marc

Constructor Summary

Constructors

Constructor and Description
DatabaseCFProvider(DBHandler dbHandler, String condition)

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	getCoverageFeatures(int i) Get the i-th coverage features from this provider.
InMemoryCFProvider	getFeaturesInMemory(int off, int len) Get in-memory access to a subset of the features.
int	getID(int i) Get the unique ID number of the i-th sentence.
int	getNumSentences() Get the total number of sentences provided by this provider.

Methods inherited from class java.lang.Object

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

Constructor Detail

DatabaseCFProvider

public DatabaseCFProvider(DBHandler dbHandler,
                  String condition)

Method Detail

getCoverageFeatures

public byte[] getCoverageFeatures(int i)

Description copied from interface: CoverageFeatureProvider

Get the i-th coverage features from this provider.

Specified by:

getCoverageFeatures in interface CoverageFeatureProvider

Parameters:

i - the index number of the features to retrieve.

Returns:

the coverage features.

getNumSentences

public int getNumSentences()

Description copied from interface: CoverageFeatureProvider

Get the total number of sentences provided by this provider.

Specified by:

getNumSentences in interface CoverageFeatureProvider

Returns:

number of sentences

getID

public int getID(int i)

Description copied from interface: CoverageFeatureProvider

Get the unique ID number of the i-th sentence. This may or may not be the same as i. However, it can be assumed that IDs are ordered: if i > j, getID(i) > getID(j).

Specified by:

getID in interface CoverageFeatureProvider

Parameters:

i - i

Returns:

ID

getFeaturesInMemory

public InMemoryCFProvider getFeaturesInMemory(int off,
                                     int len)

Get in-memory access to a subset of the features. The features will be accessible from the in-memory provider with index numbers 0..(len-1).

Parameters:

off - first index of features to be made available in the in-memory provider.

len - number of features to provide.

Returns:

an in-memory context feature provider.

Throws:

IndexOutOfBoundsException - if off or off+len-1 are outside the range from 0 to getNumSentences()-1.