wt.occurrence
Class SingleUsesOccurrenceCreationApprovalDelegate

java.lang.Object
  wt.occurrence.SingleUsesOccurrenceCreationApprovalDelegate

All Implemented Interfaces:

Externalizable, Serializable, UsesOccurrenceCreationApprovalDelegate

public class SingleUsesOccurrenceCreationApprovalDelegate

extends Object

implements UsesOccurrenceCreationApprovalDelegate, Externalizable

This delegate rejects all requests to create a UsesOccurrence from an OccurrenceableLink with count > 1, but for count = 1 it checks to see if a link already exists and approves the creation if none exists.

Supported API: true

Extendable: true

See Also:

Serialized Form

Field Summary

private static String	CLASSNAME
static long	EXTERNALIZATION_VERSION_UID
protected static long	OLD_FORMAT_VERSION_UID
private static String	RESOURCE
(package private) static long	serialVersionUID

Constructor Summary

SingleUsesOccurrenceCreationApprovalDelegate()

Method Summary

void	approveCreation(OccurrenceableLink link) Checks to see if exactly one UsesOccurrence can be created for the given OccurrenceableLink.
void	approveCreation(OccurrenceableLink link, int count) Checks to see if a give count of UsesOccurrences can be created for the given OccurrenceableLink.
void	readExternal(ObjectInput input) Reads the non-transient fields of this class from an external source.
private boolean	readOldVersion(ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source, which is not the current version.
protected boolean	readVersion(SingleUsesOccurrenceCreationApprovalDelegate thisObject, ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source.
void	writeExternal(ObjectOutput output) Writes the non-transient fields of this class to an external source.

Methods inherited from class java.lang.Object

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

Field Detail

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

CLASSNAME

private static final String CLASSNAME

serialVersionUID

static final long serialVersionUID

See Also:

Constant Field Values

EXTERNALIZATION_VERSION_UID

public static final long EXTERNALIZATION_VERSION_UID

See Also:

Constant Field Values

OLD_FORMAT_VERSION_UID

protected static final long OLD_FORMAT_VERSION_UID

See Also:

Constant Field Values

Constructor Detail

SingleUsesOccurrenceCreationApprovalDelegate

public SingleUsesOccurrenceCreationApprovalDelegate()

Method Detail

writeExternal

public void writeExternal(ObjectOutput output)
                   throws IOException

Writes the non-transient fields of this class to an external source.

Supported API: false

Specified by:

writeExternal in interface Externalizable

Parameters:

output -

Throws:

IOException

readExternal

public void readExternal(ObjectInput input)
                  throws IOException,
                         ClassNotFoundException

Reads the non-transient fields of this class from an external source.

Supported API: false

Specified by:

readExternal in interface Externalizable

Parameters:

input -

Throws:

IOException

ClassNotFoundException

readVersion

protected boolean readVersion(SingleUsesOccurrenceCreationApprovalDelegate thisObject,
                              ObjectInput input,
                              long readSerialVersionUID,
                              boolean passThrough,
                              boolean superDone)
                       throws IOException,
                              ClassNotFoundException

Reads the non-transient fields of this class from an external source.

Supported API: false

Parameters:

thisObject -

input -

readSerialVersionUID -

passThrough -

superDone -

Returns:

boolean

Throws:

IOException

ClassNotFoundException

readOldVersion

private boolean readOldVersion(ObjectInput input,
                               long readSerialVersionUID,
                               boolean passThrough,
                               boolean superDone)
                        throws IOException,
                               ClassNotFoundException

Reads the non-transient fields of this class from an external source, which is not the current version.

Parameters:

input -

readSerialVersionUID -

passThrough -

superDone -

Returns:

boolean

Throws:

IOException

ClassNotFoundException

approveCreation

public void approveCreation(OccurrenceableLink link)
                     throws WTException

Checks to see if exactly one UsesOccurrence can be created for the given OccurrenceableLink.

Supported API: false

Specified by:

approveCreation in interface UsesOccurrenceCreationApprovalDelegate

Parameters:

link -

Throws:

WTException

approveCreation

public void approveCreation(OccurrenceableLink link,
                            int count)
                     throws WTException

Checks to see if a give count of UsesOccurrences can be created for the given OccurrenceableLink. Returns false if count is zero or less.

Supported API: false

Specified by:

approveCreation in interface UsesOccurrenceCreationApprovalDelegate

Parameters:

link -

count -

Throws:

WTException