net.ontopia.infoset.content

Interface ContentStoreIF

All Known Implementing Classes:

FileContentStore, InMemoryContentStore, JDBCContentStore, JDBCSequenceContentStore

public interface ContentStoreIF

INTERNAL: A simple content store interface that stores chunks of data associated with an integer key. The underlying implementation is responsible for creating the keys.

Method Summary

Modifier and Type	Method and Description
int	add(ContentInputStream data) INTERNAL: Creates an entry for the specified data value.
int	add(InputStream data, int length) INTERNAL: Creates an entry for the specified data value.
void	close() INTERNAL: Closes the content store.
boolean	containsKey(int key) INTERNAL: Returns true if the content store contains an entry with the specified key.
ContentInputStream	get(int key) INTERNAL: Gets the data value associated with the specified key.
boolean	remove(int key) INTERNAL: Removes the entry associated with the key.

Method Detail

containsKey

boolean containsKey(int key)
             throws ContentStoreException

INTERNAL: Returns true if the content store contains an entry with the specified key.

Throws:

ContentStoreException

get

ContentInputStream get(int key)
                throws ContentStoreException

INTERNAL: Gets the data value associated with the specified key.

Throws:

ContentStoreException

add

int add(ContentInputStream data)
 throws ContentStoreException

INTERNAL: Creates an entry for the specified data value.

Throws:

ContentStoreException

add

int add(InputStream data,
        int length)
 throws ContentStoreException

INTERNAL: Creates an entry for the specified data value.

Throws:

ContentStoreException

remove

boolean remove(int key)
        throws ContentStoreException

INTERNAL: Removes the entry associated with the key. If the key is not present the call has no effect.

Returns:

true if the key was present; false otherwise

Throws:

ContentStoreException

close

void close()
    throws ContentStoreException

INTERNAL: Closes the content store. This allows all internal resources to be released.

Throws:

ContentStoreException