LobStorageInterface
A mechanism to store and retrieve lob data.
| Methods |
|---|
| ValueLobDb |
copyLob(ValueLobDb old, int tableId, long length)
Copy a lob.
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| ValueLobDb |
copyLob(ValueLobDb old, int tableId, long length)
Copy a lob.
Parameters:
old - the old lob
tableId - the new table id
length - the length
Returns:
the new lob
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| Value |
createBlob(InputStream in, long maxLength)
Create a BLOB object.
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| Value |
createBlob(InputStream in, long maxLength)
Create a BLOB object.
Parameters:
in - the input stream
maxLength - the maximum length (-1 if not known)
Returns:
the LOB
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| Value |
createClob(Reader reader, long maxLength)
Create a CLOB object.
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| Value |
createClob(Reader reader, long maxLength)
Create a CLOB object.
Parameters:
reader - the reader
maxLength - the maximum length (-1 if not known)
Returns:
the LOB
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| InputStream |
getInputStream(ValueLobDb lob, byte[] hmac, long byteCount)
Get the input stream for the given lob.
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| InputStream |
getInputStream(ValueLobDb lob, byte[] hmac, long byteCount) throws IOException
Get the input stream for the given lob.
Parameters:
lob - the lob id
hmac - the message authentication code (for remote input streams)
byteCount - the number of bytes to read, or -1 if not known
Returns:
the stream
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| void |
init()
Initialize the lob storage.
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| void |
init()
Initialize the lob storage.
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| boolean |
isReadOnly()
Whether the storage is read-only
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| boolean |
isReadOnly()
Whether the storage is read-only
Returns:
true if yes
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| void |
removeAllForTable(int tableId)
Remove all LOBs for this table.
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| void |
removeAllForTable(int tableId)
Remove all LOBs for this table.
Parameters:
tableId - the table id
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| void |
removeLob(ValueLobDb lob)
Delete a LOB (from the database, if it is stored there).
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| void |
removeLob(ValueLobDb lob)
Delete a LOB (from the database, if it is stored there).
Parameters:
lob - the lob
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