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public interface LobStorageInterface
A mechanism to store and retrieve lob data.
Method Summary | |
---|---|
ValueLobDb |
copyLob(ValueLobDb old,
int tableId,
long length)
Copy a lob. |
Value |
createBlob(java.io.InputStream in,
long maxLength)
Create a BLOB object. |
Value |
createClob(java.io.Reader reader,
long maxLength)
Create a CLOB object. |
java.io.InputStream |
getInputStream(ValueLobDb lob,
byte[] hmac,
long byteCount)
Get the input stream for the given lob. |
void |
init()
Initialize the lob storage. |
void |
removeAllForTable(int tableId)
Remove all LOBs for this table. |
void |
removeLob(ValueLobDb lob)
Delete a LOB (from the database, if it is stored there). |
void |
setTable(ValueLobDb lob,
int table)
Set the table reference of this lob. |
Method Detail |
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Value createClob(java.io.Reader reader, long maxLength)
reader
- the readermaxLength
- the maximum length (-1 if not known)
Value createBlob(java.io.InputStream in, long maxLength)
in
- the input streammaxLength
- the maximum length (-1 if not known)
ValueLobDb copyLob(ValueLobDb old, int tableId, long length)
old
- the old lobtableId
- the new table idlength
- the length
java.io.InputStream getInputStream(ValueLobDb lob, byte[] hmac, long byteCount) throws java.io.IOException
lob
- the lob idhmac
- the message authentication code (for remote input streams)byteCount
- the number of bytes to read, or -1 if not known
java.io.IOException
void setTable(ValueLobDb lob, int table)
lob
- the lobtable
- the tablevoid removeLob(ValueLobDb lob)
lob
- the lobvoid removeAllForTable(int tableId)
tableId
- the table idvoid init()
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