y.base
Interface DataProvider

All Known Subinterfaces:

EdgeMap, FaceMap, NodeMap

All Known Implementing Classes:

DataProviderAdapter, EdgeMapAdapter, NodeMapAdapter, WrappedObjectDataProvider

public interface DataProvider

A general interface for data provision. A data provider grants access to data associated with one or more data holders. It constitutes a read only view on particular data.

Method Summary

Object	get(Object dataHolder) Returns an object value associated with the given data holder.
boolean	getBool(Object dataHolder) Returns a boolean value associated with the given data holder.
double	getDouble(Object dataHolder) Returns a double value associated with the given data holder.
int	getInt(Object dataHolder) Returns an integer value associated with the given data holder.

Method Detail

get

public Object get(Object dataHolder)

Returns an object value associated with the given data holder. This method may throw an UnsupportedOperationException.

getInt

public int getInt(Object dataHolder)

Returns an integer value associated with the given data holder. This method may throw an UnsupportedOperationException.

getDouble

public double getDouble(Object dataHolder)

Returns a double value associated with the given data holder. This method may throw an UnsupportedOperationException.

getBool

public boolean getBool(Object dataHolder)

Returns a boolean value associated with the given data holder. This method may throw an UnsupportedOperationException.