com.avaje.ebeaninternal.server.persist

Class BatchedPstmtHolder

java.lang.Object

com.avaje.ebeaninternal.server.persist.BatchedPstmtHolder

public class BatchedPstmtHolder
extends Object

Used to hold BatchedPstmt objects for batch based execution.

The BatchControl 'front ends' the batching by queuing the persist requests and ordering them according to depth and type. This object should only batch statements of a single 'depth' at any given time.

Constructor Summary

Constructors

Constructor and Description
BatchedPstmtHolder()

Method Summary

Methods

Modifier and Type	Method and Description
void	addStmt(BatchedPstmt bs, BatchPostExecute postExecute) Add a new PreparedStatement wrapped in the BatchStatement object.
void	flush(boolean getGeneratedKeys) Execute all batched PreparedStatements.
int	getMaxSize() Return the size of the biggest batched statement.
PreparedStatement	getStmt(String stmtKey, BatchPostExecute postExecute) Return the PreparedStatement if it has already been used in this Batch.
boolean	isEmpty() Return true if the batch has no statements to execute.

Methods inherited from class java.lang.Object

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

Constructor Detail

BatchedPstmtHolder

public BatchedPstmtHolder()

Method Detail

getStmt

public PreparedStatement getStmt(String stmtKey,
                        BatchPostExecute postExecute)

Return the PreparedStatement if it has already been used in this Batch. This will return null if no matching PreparedStatement is found.

addStmt

public void addStmt(BatchedPstmt bs,
           BatchPostExecute postExecute)

Add a new PreparedStatement wrapped in the BatchStatement object.

isEmpty

public boolean isEmpty()

Return true if the batch has no statements to execute.

flush

public void flush(boolean getGeneratedKeys)
           throws javax.persistence.PersistenceException

Execute all batched PreparedStatements.

Parameters:

getGeneratedKeys - if true try to get generated keys for inserts

Throws:

javax.persistence.PersistenceException

getMaxSize

public int getMaxSize()

Return the size of the biggest batched statement.

Used to determine when to flush the batch.