net.cnri.repository.syncing

Class SyncingDataElement

java.lang.Object

net.cnri.repository.wrapper.DataElementWrapper

net.cnri.repository.syncing.SyncingDataElement

All Implemented Interfaces:

DataElement

public class SyncingDataElement
extends DataElementWrapper
implements DataElement

Constructor Summary

Constructors

Constructor and Description
SyncingDataElement(DigitalObject syncingObject, DataElement localElement)

Method Summary

Methods

Modifier and Type	Method and Description
void	deleteAttribute(java.lang.String name) Deletes a particular attribute.
void	deleteAttributes(java.util.List<java.lang.String> names) Deletes multiple attributes.
void	setAttribute(java.lang.String name, java.lang.String value) Sets a particular attribute.
void	setAttributes(java.util.Map<java.lang.String,java.lang.String> attributes) Sets the value of multiple attributes.
void	setType(java.lang.String type) Sets the MIME type of the given data.
long	write(java.io.InputStream data) Writes new data into the data element.
long	write(java.io.InputStream data, boolean append) Writes new data into the data element.

Methods inherited from class net.cnri.repository.wrapper.DataElementWrapper

delete, getAttribute, getAttributes, getDigitalObject, getName, getSize, getType, listAttributes, read, read

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.cnri.repository.DataElement

delete, getAttribute, getAttributes, getDigitalObject, getName, getSize, getType, listAttributes, read, read

Constructor Detail

SyncingDataElement

public SyncingDataElement(DigitalObject syncingObject,
                  DataElement localElement)

Method Detail

setAttribute

public void setAttribute(java.lang.String name,
                java.lang.String value)
                  throws RepositoryException

Description copied from interface: DataElement

Sets a particular attribute.

Specified by:

setAttribute in interface DataElement

Overrides:

setAttribute in class DataElementWrapper

Parameters:

name - the attribute name

value - the attribute value; if null, the attribute will be deleted.

Throws:

RepositoryException

setAttributes

public void setAttributes(java.util.Map<java.lang.String,java.lang.String> attributes)
                   throws RepositoryException

Description copied from interface: DataElement

Sets the value of multiple attributes. Attributes mapped to null will be deleted.

Specified by:

setAttributes in interface DataElement

Overrides:

setAttributes in class DataElementWrapper

Parameters:

attributes - the attributes to set, mapped to their new values

Throws:

RepositoryException

deleteAttribute

public void deleteAttribute(java.lang.String name)
                     throws RepositoryException

Description copied from interface: DataElement

Deletes a particular attribute.

Specified by:

deleteAttribute in interface DataElement

Overrides:

deleteAttribute in class DataElementWrapper

Parameters:

name - the name of the attribute to delete

Throws:

RepositoryException

deleteAttributes

public void deleteAttributes(java.util.List<java.lang.String> names)
                      throws RepositoryException

Description copied from interface: DataElement

Deletes multiple attributes.

Specified by:

deleteAttributes in interface DataElement

Overrides:

deleteAttributes in class DataElementWrapper

Parameters:

names - the names of the attributes to delete

Throws:

RepositoryException

setType

public void setType(java.lang.String type)
             throws RepositoryException

Description copied from interface: DataElement

Sets the MIME type of the given data.

Specified by:

setType in interface DataElement

Overrides:

setType in class DataElementWrapper

Parameters:

type - the new MIME type

Throws:

RepositoryException

write

public long write(java.io.InputStream data)
           throws java.io.IOException,
                  RepositoryException

Description copied from interface: DataElement

Writes new data into the data element.

Specified by:

write in interface DataElement

Overrides:

write in class DataElementWrapper

Parameters:

data - an InputStream streaming the new data

Returns:

the number of bytes of data written

Throws:

java.io.IOException

RepositoryException

write

public long write(java.io.InputStream data,
         boolean append)
           throws java.io.IOException,
                  RepositoryException

Description copied from interface: DataElement

Writes new data into the data element.

Specified by:

write in interface DataElement

Overrides:

write in class DataElementWrapper

Parameters:

data - an InputStream streaming the new data

append - whether to append the new data to the existing data

Returns:

the number of bytes of data written

Throws:

java.io.IOException

RepositoryException