edu.stanford.nlp.database
Interface SimpleDatabase

All Known Implementing Classes:

AbstractSimpleDatabase, DummyDB

public interface SimpleDatabase

Interface for databases which store and retrieve key-value pairs

Method Summary

Object	get(Object key) Gets Object from database
Iterator	keys() Returns an Iterator over keys in database
void	put(Object key, Object value) Inserts Object into database
void	remove(Object key) Removes Object from database
int	size() Returns number of elements in database
String	toString() Returns String representation of database.
String	toVerboseString() Returns Verbose String representation of database that enumerates the contents of the database
String	toVerboseXMLString() Returns a verbose XML reprentation of database that enumerates the contents of the database
String	toXMLString() Returns an XML representation of database.
Iterator	values() Returns an Iterator over values in database

Method Detail

size

public int size()

Returns number of elements in database

put

public void put(Object key,
                Object value)
         throws IOException

Inserts Object into database

IOException

get

public Object get(Object key)
           throws IOException

Gets Object from database

IOException

remove

public void remove(Object key)
            throws IOException

Removes Object from database

IOException

toString

public String toString()

Returns String representation of database. Often it will be of the form: filename: /nlp/sdkamvar/sample.db type: SLJDB

Overrides:

toString in class Object

toVerboseString

public String toVerboseString()

Returns Verbose String representation of database that enumerates the contents of the database

toXMLString

public String toXMLString()

Returns an XML representation of database. Often it will be of the form: /nlp/sdkamvar/sample.db SLJDB

toVerboseXMLString

public String toVerboseXMLString()

Returns a verbose XML reprentation of database that enumerates the contents of the database

keys

public Iterator keys()

Returns an Iterator over keys in database

values

public Iterator values()

Returns an Iterator over values in database