net.cnri.dobj

Class DOMetadata

java.lang.Object

net.cnri.dobj.DOMetadata

public class DOMetadata
extends java.lang.Object

Storage class for metadata about a digital object.

Constructor Summary

Constructors

Constructor and Description
DOMetadata()

Method Summary

Methods

Modifier and Type	Method and Description
void	clearTags() Removes all tags from the metadata
long	getDateCreated() Returns the date that the DO was most recently created.
long	getDateDeleted() Returns the date that the DO was most recently deleted.
java.lang.String	getObjectID() Returns the identifier for the object to which this metadata applies.
java.lang.String	getTag(java.lang.String tagName, java.lang.String defaultValue) Returns the value of the given tag.
java.util.Iterator	getTagNames() Returns an iterator containing the names of all tags associated with this object.
boolean	objectExists() Returns true if the object exists
void	resetFields() Resets the contents of the metadata
void	setDateCreated(long newDateCreated) Stores the date that the DO was most recently created.
void	setDateDeleted(long newDateDeleted) Stores the date that the DO was most recently deleted.
void	setObjectID(java.lang.String newObjectID) Sets the identifier for the object to which this metadata applies.
void	setTag(java.lang.String tagName, java.lang.String tagValue) Stores the given key-value pair as a tag along with this object.
java.lang.String	toString()
void	updateModification(long timestamp)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DOMetadata

public DOMetadata()

Method Detail

resetFields

public void resetFields()

Resets the contents of the metadata

getObjectID

public java.lang.String getObjectID()

Returns the identifier for the object to which this metadata applies.

setObjectID

public void setObjectID(java.lang.String newObjectID)

Sets the identifier for the object to which this metadata applies.

getTag

public java.lang.String getTag(java.lang.String tagName,
                      java.lang.String defaultValue)

Returns the value of the given tag. If the tag is not associated with a value in this object, return the given defaultValue.

setTag

public void setTag(java.lang.String tagName,
          java.lang.String tagValue)

Stores the given key-value pair as a tag along with this object. Providing a null tagValue will remove any value that already exists with the given tagName.

getTagNames

public java.util.Iterator getTagNames()

Returns an iterator containing the names of all tags associated with this object.

clearTags

public void clearTags()

Removes all tags from the metadata

objectExists

public boolean objectExists()

Returns true if the object exists

setDateCreated

public void setDateCreated(long newDateCreated)

Stores the date that the DO was most recently created.

getDateCreated

public long getDateCreated()

Returns the date that the DO was most recently created.

setDateDeleted

public void setDateDeleted(long newDateDeleted)

Stores the date that the DO was most recently deleted.

getDateDeleted

public long getDateDeleted()

Returns the date that the DO was most recently deleted.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

updateModification

public void updateModification(long timestamp)