public class NPOIFSMiniStore extends BlockStore
NPOIFSFileSystem
BlockStore.ChainLoopDetector
Modifier | Constructor and Description |
---|---|
protected |
NPOIFSMiniStore(NPOIFSFileSystem filesystem,
RootProperty root,
java.util.List<BATBlock> sbats,
HeaderBlock header) |
Modifier and Type | Method and Description |
---|---|
protected java.nio.ByteBuffer |
createBlockIfNeeded(int offset)
Load the block, extending the underlying stream if needed
|
protected BATBlock.BATBlockAndIndex |
getBATBlockAndIndex(int offset)
Returns the BATBlock that handles the specified offset,
and the relative index within it
|
protected java.nio.ByteBuffer |
getBlockAt(int offset)
Load the block at the given offset.
|
protected int |
getBlockStoreBlockSize()
Returns the size of the blocks managed through the block store.
|
protected BlockStore.ChainLoopDetector |
getChainLoopDetector()
Creates a Detector for loops in the chain
|
protected int |
getFreeBlock()
Finds a free block, and returns its offset.
|
protected int |
getNextBlock(int offset)
Works out what block follows the specified one.
|
protected void |
setNextBlock(int offset,
int nextBlock)
Changes the record of what block follows the specified one.
|
protected void |
syncWithDataSource()
Writes the SBATs to their backing blocks
|
protected NPOIFSMiniStore(NPOIFSFileSystem filesystem, RootProperty root, java.util.List<BATBlock> sbats, HeaderBlock header)
protected java.nio.ByteBuffer getBlockAt(int offset) throws java.io.IOException
getBlockAt
in class BlockStore
java.io.IOException
protected java.nio.ByteBuffer createBlockIfNeeded(int offset) throws java.io.IOException
createBlockIfNeeded
in class BlockStore
java.io.IOException
protected BATBlock.BATBlockAndIndex getBATBlockAndIndex(int offset)
getBATBlockAndIndex
in class BlockStore
protected int getNextBlock(int offset)
getNextBlock
in class BlockStore
protected void setNextBlock(int offset, int nextBlock)
setNextBlock
in class BlockStore
protected int getFreeBlock() throws java.io.IOException
getFreeBlock
in class BlockStore
java.io.IOException
protected BlockStore.ChainLoopDetector getChainLoopDetector() throws java.io.IOException
BlockStore
getChainLoopDetector
in class BlockStore
java.io.IOException
protected int getBlockStoreBlockSize()
BlockStore
getBlockStoreBlockSize
in class BlockStore
protected void syncWithDataSource() throws java.io.IOException
java.io.IOException
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