Uses of Class
simpledb.file.Block

Packages that use Block

simpledb.buffer
simpledb.file
simpledb.index.btree
simpledb.record
simpledb.tx
simpledb.tx.concurrency

Uses of Block in simpledb.buffer

Methods in simpledb.buffer that return Block

Block

Buffer.block() Returns a reference to the disk block that the buffer is pinned to.

Methods in simpledb.buffer with parameters of type Block

Buffer

BufferMgr.pin(Block blk) Pins a buffer to the specified block, potentially waiting until a buffer becomes available.

Uses of Block in simpledb.file

Methods in simpledb.file that return Block

Block

Page.append(String filename) Appends the contents of the page to the specified file.

Methods in simpledb.file with parameters of type Block

void	Page.read(Block blk) Populates the page with the contents of the specified disk block.
void	Page.write(Block blk) Writes the contents of the page to the specified disk block.

Uses of Block in simpledb.index.btree

Methods in simpledb.index.btree that return Block

Block	BTreePage.appendNew(int flag) Appends a new block to the end of the specified B-tree file, having the specified flag value.
Block	BTreePage.split(int splitpos, int flag) Splits the page at the specified position.

Constructors in simpledb.index.btree with parameters of type Block

BTreeLeaf(Block blk, TableInfo ti, Constant searchkey, Transaction tx)
Opens a page to hold the specified leaf block.

BTreePage(Block currentblk, TableInfo ti, Transaction tx)
Opens a page for the specified B-tree block.

Uses of Block in simpledb.record

Constructors in simpledb.record with parameters of type Block

RecordPage(Block blk, TableInfo ti, Transaction tx)
Creates the record manager for the specified block.

Uses of Block in simpledb.tx

Methods in simpledb.tx that return Block

Block

Transaction.append(String filename, PageFormatter fmtr) Appends a new block to the end of the specified file and returns a reference to it.

Methods in simpledb.tx with parameters of type Block

int	Transaction.getInt(Block blk, int offset) Returns the integer value stored at the specified offset of the specified block.
String	Transaction.getString(Block blk, int offset) Returns the string value stored at the specified offset of the specified block.
void	Transaction.pin(Block blk) Pins the specified block.
void	Transaction.setInt(Block blk, int offset, int val) Stores an integer at the specified offset of the specified block.
void	Transaction.setString(Block blk, int offset, String val) Stores a string at the specified offset of the specified block.
void	Transaction.unpin(Block blk) Unpins the specified block.

Uses of Block in simpledb.tx.concurrency

Methods in simpledb.tx.concurrency with parameters of type Block

void	ConcurrencyMgr.sLock(Block blk) Obtains an SLock on the block, if necessary.
void	ConcurrencyMgr.xLock(Block blk) Obtains an XLock on the block, if necessary.