org.progressmining.xeslite.external
Class XMapDBStore

java.lang.Object
  org.progressmining.xeslite.external.XMapDBStore

All Implemented Interfaces:

XExternalAttributeStore

Direct Known Subclasses:

XMapDBStore.DirectMemoryStore, XMapDBStore.DiskStore

public abstract class XMapDBStore
extends java.lang.Object
implements XExternalAttributeStore

Implementation using MapDB (https://github.com/jankotek/mapdb) as back-end.

Author:

F. Mannhardt

Nested Class Summary

static class	XMapDBStore.DirectMemoryStore
static class	XMapDBStore.DiskStore

Field Summary

protected int	cacheSize
protected boolean	useAsyncWriter
protected boolean	useCache

Constructor Summary

protected

XMapDBStore(boolean useAsyncWriter, boolean useCache, int cacheSize)

Method Summary

void	commit() Commits all pending changes to the underlying storage
protected abstract org.mapdb.DB	createDB()
protected void	finalize()
org.deckfour.xes.model.XAttributeMap	getAttributes(org.progressmining.xeslite.external.XExternalAttributable attributable)
boolean	hasAttributes(org.progressmining.xeslite.external.XExternalAttributable attributable)
org.deckfour.xes.model.XAttributeMap	removeAttributes(org.progressmining.xeslite.external.XExternalAttributable attributable)
void	setAttributes(org.progressmining.xeslite.external.XExternalAttributable attributable, org.deckfour.xes.model.XAttributeMap attributes)

Methods inherited from class java.lang.Object

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

Field Detail

useCache

protected final boolean useCache

cacheSize

protected final int cacheSize

useAsyncWriter

protected final boolean useAsyncWriter

Constructor Detail

XMapDBStore

protected XMapDBStore(boolean useAsyncWriter,
                      boolean useCache,
                      int cacheSize)

Method Detail

finalize

protected void finalize()
                 throws java.lang.Throwable

Overrides:

finalize in class java.lang.Object

Throws:

java.lang.Throwable

createDB

protected abstract org.mapdb.DB createDB()
                                  throws java.io.IOException

Throws:

java.io.IOException

getAttributes

public final org.deckfour.xes.model.XAttributeMap getAttributes(org.progressmining.xeslite.external.XExternalAttributable attributable)

Specified by:

getAttributes in interface XExternalAttributeStore

Returns:

the XAttributeMap associated with this id, possibly empty

hasAttributes

public final boolean hasAttributes(org.progressmining.xeslite.external.XExternalAttributable attributable)

Specified by:

hasAttributes in interface XExternalAttributeStore

setAttributes

public final void setAttributes(org.progressmining.xeslite.external.XExternalAttributable attributable,
                                org.deckfour.xes.model.XAttributeMap attributes)

Specified by:

setAttributes in interface XExternalAttributeStore

attributes - the XAttributeMap that replaces all existing attributes for this id

removeAttributes

public final org.deckfour.xes.model.XAttributeMap removeAttributes(org.progressmining.xeslite.external.XExternalAttributable attributable)

Specified by:

removeAttributes in interface XExternalAttributeStore

Returns:

a XAttributeMap with the previous values, possibly empty

commit

public final void commit()

Description copied from interface: XExternalAttributeStore

Commits all pending changes to the underlying storage

Specified by:

commit in interface XExternalAttributeStore