com.bigdata.rdf.spo
Class SPOIndexRemover

java.lang.Object
  com.bigdata.rdf.spo.SPOIndexRemover

All Implemented Interfaces:

Callable<Long>

public class SPOIndexRemover
extends Object
implements Callable<Long>

Class writes on a statement index, removing the specified statements (batch API, no truth maintenance). If the database uses Justifications for truth maintenance then the caller is responsible for also removing the Justifications for the statements being deleted using a JustificationRemover.

Version:

$Id: SPOIndexRemover.java 2265 2009-10-26 12:51:06Z thompsonbry $

Author:

Bryan Thompson

Field Summary

protected static boolean	DEBUG True iff the log level is DEBUG or less.
protected static boolean	INFO True iff the log level is INFO or less.
protected static org.apache.log4j.Logger	log

Constructor Summary

SPOIndexRemover(SPORelation spoRelation, ISPO[] stmts, int numStmts, SPOKeyOrder keyOrder, boolean clone, AtomicLong sortTime, AtomicLong writeTime)

Method Summary

Long	call() Remove the statements specified by the called from the statement indices.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static final org.apache.log4j.Logger log

INFO

protected static final boolean INFO

True iff the log level is INFO or less.

DEBUG

protected static final boolean DEBUG

True iff the log level is DEBUG or less.

Constructor Detail

SPOIndexRemover

public SPOIndexRemover(SPORelation spoRelation,
                       ISPO[] stmts,
                       int numStmts,
                       SPOKeyOrder keyOrder,
                       boolean clone,
                       AtomicLong sortTime,
                       AtomicLong writeTime)

Method Detail

call

public Long call()
          throws Exception

Remove the statements specified by the called from the statement indices.

Specified by:

call in interface Callable<Long>

Returns:

The elapsed time.

Throws:

Exception