org.xmldb.api.base

Interface Resource

All Known Subinterfaces:

BinaryResource, XMLResource

All Known Implementing Classes:

BaseResource, BinaryResourceImpl, SimpleBinaryResource, SimpleXMLResource, XMLResourceImpl

public interface Resource

Resource is a container for data stored within the database. Raw resources are not particulary useful. It is necessary to have a resource implementation that provides handling for a specific content type before anything useful can be done.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	getContent() Retrieves the content from the resource.
java.lang.String	getId() Returns the unique id for this Resource or null if the Resource is anonymous.
Collection	getParentCollection() Returns the Collection instance that this resource is associated with.
java.lang.String	getResourceType() Returns the resource type for this Resource.
void	setContent(java.lang.Object value) Sets the content for this resource.

Method Detail

getParentCollection

Collection getParentCollection()
                        throws XMLDBException

Returns the Collection instance that this resource is associated with. All resources must exist within the context of a collection.

Returns:

the collection associated with the resource.

Throws:

XMLDBException - with expected error codes.
ErrorCodes.VENDOR_ERROR for any vendor specific errors that occur.

getId

java.lang.String getId()
                throws XMLDBException

Returns the unique id for this Resource or null if the Resource is anonymous. The Resource will be anonymous if it is obtained as the result of a query.

Returns:

the id for the Resource or null if no id exists.

Throws:

XMLDBException - with expected error codes.
ErrorCodes.VENDOR_ERROR for any vendor specific errors that occur.

getResourceType

java.lang.String getResourceType()
                          throws XMLDBException

Returns the resource type for this Resource.

XML:DB defined resource types are:

XMLResource - all XML data stored in the database
BinaryResource - Binary blob data stored in the database

Returns:

the resource type for the Resource.

Throws:

XMLDBException - with expected error codes.
ErrorCodes.VENDOR_ERROR for any vendor specific errors that occur.

getContent

java.lang.Object getContent()
                     throws XMLDBException

Retrieves the content from the resource. The type of the content varies depending what type of resource is being used.

Returns:

the content of the resource.

Throws:

XMLDBException - with expected error codes.
ErrorCodes.VENDOR_ERROR for any vendor specific errors that occur.

setContent

void setContent(java.lang.Object value)
         throws XMLDBException

Sets the content for this resource. The type of content that can be set depends on the type of resource being used.

Parameters:

value - the content value to set for the resource.

Throws:

XMLDBException - with expected error codes.
ErrorCodes.VENDOR_ERROR for any vendor specific errors that occur.