org.apache.manifoldcf.core.interfaces

Class PersistentDatabaseObject

java.lang.Object

org.apache.manifoldcf.core.interfaces.PersistentDatabaseObject

Direct Known Subclasses:

BinaryInput, CharacterInput

public abstract class PersistentDatabaseObject
extends java.lang.Object

Objects derived from this class can function as database parameters or as results. In both cases, they must be managed specially because they are potentially backed by disk files, and the data within is treated as a stream (of something) rather than a scalar piece of data.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	_rcsid

Constructor Summary

Constructors

Constructor and Description
PersistentDatabaseObject() Construct from nothing.

Method Summary

Modifier and Type	Method and Description
abstract void	discard() Discard this object permanently
abstract void	doneWithStream() Close any open streams, but do NOT remove the backing object.

Methods inherited from class java.lang.Object

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

Field Detail

_rcsid

public static final java.lang.String _rcsid

See Also:

Constant Field Values

Constructor Detail

PersistentDatabaseObject

public PersistentDatabaseObject()

Construct from nothing.

Method Detail

doneWithStream

public abstract void doneWithStream()
                             throws ManifoldCFException

Close any open streams, but do NOT remove the backing object. Thus the stream can be reopened in the future.

Throws:

ManifoldCFException

discard

public abstract void discard()
                      throws ManifoldCFException

Discard this object permanently

Throws:

ManifoldCFException