com.caucho.db.store
Class StoreTransaction

java.lang.Object
  com.caucho.db.store.StoreTransaction

Direct Known Subclasses:

RawTransaction, Transaction

public abstract class StoreTransaction
extends java.lang.Object

Represents a single transaction.

Constructor Summary

StoreTransaction()

Method Summary

abstract void	addUpdateBlock(Block block) Adds an updated block.
void	addUpdateFragmentBlock(Block block) Add an update fragment block.
Block	createAutoCommitWriteBlock(Block block) Returns a modified block.
abstract Block	createWriteBlock(Block block) Returns a modified block.
abstract Block	readBlock(Store store, long blockAddress) Returns a read block.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StoreTransaction

public StoreTransaction()

Method Detail

readBlock

public abstract Block readBlock(Store store,
                                long blockAddress)
                         throws java.io.IOException

Returns a read block.

Throws:

java.io.IOException

createWriteBlock

public abstract Block createWriteBlock(Block block)
                                throws java.io.IOException

Returns a modified block.

Throws:

java.io.IOException

addUpdateBlock

public abstract void addUpdateBlock(Block block)
                             throws java.io.IOException

Adds an updated block.

Throws:

java.io.IOException

addUpdateFragmentBlock

public void addUpdateFragmentBlock(Block block)
                            throws java.io.IOException

Add an update fragment block.

Throws:

java.io.IOException

createAutoCommitWriteBlock

public Block createAutoCommitWriteBlock(Block block)
                                 throws java.io.IOException

Returns a modified block.

Throws:

java.io.IOException