org.apache.jena.sparql.core.mem

Class PMapTupleTable<TupleMapType,TupleType,ConsumerType>

java.lang.Object

org.apache.jena.sparql.core.mem.OrderedTupleTable<TupleType,ConsumerType>

org.apache.jena.sparql.core.mem.PMapTupleTable<TupleMapType,TupleType,ConsumerType>

Type Parameters:

TupleMapType - the type of the internal structure holding table data

TupleType - the type of tuple in which a subclass of this class transacts

ConsumerType - a type of consumer that can accept as many elements as exist in TupleType

All Implemented Interfaces:

TransactionalComponent, TupleTable<TupleType>

Direct Known Subclasses:

PMapQuadTable, PMapTripleTable

public abstract class PMapTupleTable<TupleMapType,TupleType,ConsumerType>
extends OrderedTupleTable<TupleType,ConsumerType>
implements TupleTable<TupleType>

A partial implementation of TupleTable that contains some common state management.

Constructor Summary

Constructors

Constructor and Description
PMapTupleTable(String n, org.apache.jena.atlas.lib.tuple.TupleMap order)

Method Summary

Modifier and Type	Method and Description
void	begin(ReadWrite rw) local is initialized via initial()
void	clear() Clear all tuples from this table.
void	commit() Commit a transaction - finish the transaction and make any changes permanent (if a "write" transaction)
void	end() Finish the transaction - if a write transaction and commit() has not been called, then abort

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.jena.sparql.core.mem.TupleTable

abort, add, delete

Constructor Detail

PMapTupleTable

public PMapTupleTable(String n,
                      org.apache.jena.atlas.lib.tuple.TupleMap order)

Parameters:

n - a name for this table

Method Detail

begin

public void begin(ReadWrite rw)

local is initialized via initial()

Specified by:

begin in interface TransactionalComponent

end

public void end()

Description copied from interface: TransactionalComponent

Finish the transaction - if a write transaction and commit() has not been called, then abort

Specified by:

end in interface TransactionalComponent

commit

public void commit()

Description copied from interface: TransactionalComponent

Commit a transaction - finish the transaction and make any changes permanent (if a "write" transaction)

Specified by:

commit in interface TransactionalComponent

clear

public void clear()

Description copied from interface: TupleTable

Clear all tuples from this table.

Specified by:

clear in interface TupleTable<TupleType>