org.gcube.common.core.persistence
Class GCUBELRFilePersistenceDelegate<RESOURCE extends GCUBELocalResource>

java.lang.Object
  org.gcube.common.core.persistence.GCUBEPersistenceDelegate<RESOURCEID,RESOURCE>
      org.gcube.common.core.persistence.GCUBEFilePersistenceDelegate<String,RESOURCE>
          org.gcube.common.core.persistence.GCUBELRFilePersistenceDelegate<RESOURCE>

public class GCUBELRFilePersistenceDelegate<RESOURCE extends GCUBELocalResource>
extends GCUBEFilePersistenceDelegate<String,RESOURCE>

Field Summary

protected static String

LOCAL_FILE_SUFFIX The suffix of file serialisation of resource.

Fields inherited from class org.gcube.common.core.persistence.GCUBEPersistenceDelegate

logger

Constructor Summary

GCUBELRFilePersistenceDelegate()

Method Summary

protected File	getFileFromResource(RESOURCE resource) Returns the file serialisation of a resource.
protected String	getIDFromFileName(String s) Returns a resource identifier from a string.
protected String	getSuffix() Returns the suffix for resource file serialisations.
void	initialise(GCUBEResourceHome<? super String,String,RESOURCE> home) Initialises the delegate from the GCUBEResourceHome of the associated resources.
protected void	onLoad(RESOURCE resource, ObjectInputStream stream) Deserialises the state of resource from a ObjectInputStream.
protected void	onStore(RESOURCE resource, ObjectOutputStream stream) Serialises the state of a resource into a ObjectOutputStream.

Methods inherited from class org.gcube.common.core.persistence.GCUBEFilePersistenceDelegate

getResourceIdentifiers, getStorageRoot, onLoad, onRemove, onStore

Methods inherited from class org.gcube.common.core.persistence.GCUBEPersistenceDelegate

load, remove, store

Methods inherited from class java.lang.Object

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

Field Detail

LOCAL_FILE_SUFFIX

protected static final String LOCAL_FILE_SUFFIX

The suffix of file serialisation of resource.

See Also:

Constant Field Values

Constructor Detail

GCUBELRFilePersistenceDelegate

public GCUBELRFilePersistenceDelegate()

Method Detail

initialise

public void initialise(GCUBEResourceHome<? super String,String,RESOURCE> home)
                throws Exception

Initialises the delegate from the GCUBEResourceHome of the associated resources.

Overrides:

initialise in class GCUBEFilePersistenceDelegate<String,RESOURCE extends GCUBELocalResource>

Parameters:

home - the home.

Throws:

Exception - if the delegate could not be initialised.

getFileFromResource

protected File getFileFromResource(RESOURCE resource)

Returns the file serialisation of a resource.

Specified by:

getFileFromResource in class GCUBEFilePersistenceDelegate<String,RESOURCE extends GCUBELocalResource>

Returns:

the file serialisation.

onLoad

protected void onLoad(RESOURCE resource,
                      ObjectInputStream stream)
               throws Exception

Deserialises the state of resource from a ObjectInputStream. Extends in accordance with resource semantics.

Overrides:

onLoad in class GCUBEFilePersistenceDelegate<String,RESOURCE extends GCUBELocalResource>

stream - the stream.

Throws:

Exception - if the stream could not be processed.

onStore

protected void onStore(RESOURCE resource,
                       ObjectOutputStream stream)
                throws Exception

Serialises the state of a resource into a ObjectOutputStream. Extend in accordance with resource semantics.

Overrides:

onStore in class GCUBEFilePersistenceDelegate<String,RESOURCE extends GCUBELocalResource>

stream - the stream.

Throws:

Exception - if the stream could not be processed.

getSuffix

protected String getSuffix()

Returns the suffix for resource file serialisations.

Specified by:

getSuffix in class GCUBEFilePersistenceDelegate<String,RESOURCE extends GCUBELocalResource>

Returns:

the suffix

getIDFromFileName

protected String getIDFromFileName(String s)

Returns a resource identifier from a string.

Specified by:

getIDFromFileName in class GCUBEFilePersistenceDelegate<String,RESOURCE extends GCUBELocalResource>

Parameters:

s - the string.

Returns:

the identifier.