com.hp.hpl.jena.sdb.layout2
Class TupleLoaderBase

java.lang.Object
  com.hp.hpl.jena.sdb.sql.SDBConnectionHolder
      com.hp.hpl.jena.sdb.store.TupleLoaderBase
          com.hp.hpl.jena.sdb.layout2.TupleLoaderBase

All Implemented Interfaces:

TupleLoaderBasics, TupleLoader

Direct Known Subclasses:

TupleLoaderHashBase, TupleLoaderIndexBase

public abstract class TupleLoaderBase
extends TupleLoaderBase
implements TupleLoaderBasics

Nested Class Summary

static class

TupleLoaderBase.PreparedNode

Constructor Summary

TupleLoaderBase(SDBConnection connection, TableDesc tableDesc, int chunkSize)

Method Summary

boolean	clearsOnCommit()
void	close() This TupleLoader is done with.
void	finish() Notify the finish of a sequence of rows to load.
int	getArity()
String	getClearTempNodes()
String	getClearTempTuples()
String	getCreateTempNodes()
String	getCreateTempTuples()
String	getInsertTempNodes()
String	getInsertTempTuples()
String	getLoadNodes()
String	getNodeLoader() These are the SQL 'bits' we use to construct the loader statements
String	getTupleLoader()
void	load(com.hp.hpl.jena.graph.Node... row) Load a row - may not take place immediately but row object is free for reuse after calling this method.
void	unload(com.hp.hpl.jena.graph.Node... row) Remove a row - may not take place immediately but row object is free for reuse after calling this method.

Methods inherited from class com.hp.hpl.jena.sdb.store.TupleLoaderBase

getTableDesc, getTableName, setTableDesc, start

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.hp.hpl.jena.sdb.layout2.TupleLoaderBasics

getCreateTempTable, getDeleteAllTuples, getDeleteTuples, getLoadTuples, getNodeColTypes, getTupleColType

Constructor Detail

TupleLoaderBase

public TupleLoaderBase(SDBConnection connection,
                       TableDesc tableDesc,
                       int chunkSize)

Method Detail

getArity

public int getArity()

load

public void load(com.hp.hpl.jena.graph.Node... row)

Description copied from interface: TupleLoader

Load a row - may not take place immediately but row object is free for reuse after calling this method.

Specified by:

load in interface TupleLoader

unload

public void unload(com.hp.hpl.jena.graph.Node... row)

Description copied from interface: TupleLoader

Remove a row - may not take place immediately but row object is free for reuse after calling this method.

Specified by:

unload in interface TupleLoader

finish

public void finish()

Description copied from interface: TupleLoader

Notify the finish of a sequence of rows to load. All data will have been loaded by the time this returns

Specified by:

finish in interface TupleLoader

Overrides:

finish in class TupleLoaderBase

close

public void close()

Description copied from interface: TupleLoader

This TupleLoader is done with. Do not use a TupleLoader after calling close().

Specified by:

close in interface TupleLoader

Overrides:

close in class TupleLoaderBase

getNodeLoader

public String getNodeLoader()

These are the SQL 'bits' we use to construct the loader statements

getTupleLoader

public String getTupleLoader()

getCreateTempNodes

public String getCreateTempNodes()

getCreateTempTuples

public String getCreateTempTuples()

getInsertTempNodes

public String getInsertTempNodes()

getInsertTempTuples

public String getInsertTempTuples()

getLoadNodes

public String getLoadNodes()

getClearTempNodes

public String getClearTempNodes()

Specified by:

getClearTempNodes in interface TupleLoaderBasics

getClearTempTuples

public String getClearTempTuples()

Specified by:

getClearTempTuples in interface TupleLoaderBasics

clearsOnCommit

public boolean clearsOnCommit()

Specified by:

clearsOnCommit in interface TupleLoaderBasics