org.eclipse.persistence.config

Class BatchWriting

java.lang.Object

org.eclipse.persistence.config.BatchWriting

public class BatchWriting
extends java.lang.Object

Specify the use of batch writing to optimize transactions with multiple writes, by default batch writing is not used. Batch writing allows multiple heterogeneous dynamic SQL statements to be sent to the database as a single execution, or multiple homogeneous parameterized SQL statements to be executed as a single batch execution.

Note that not all JDBC drivers, or databases support batch writing.

JPA persistence property Usage:

properties.add(PersistenceUnitProperties.BATCH_WRITING, BatchWriting.JDBC);

Property values are case-insensitive

• JDBC - JDBC batch API's are used (dynamic, or parameterized).
• Bufferred - dynamic SQL is concatenated into a batch SQL string.
• Oracle-JDBC - Oracle JDBC batch API's are used (allows row count to be returned for optimistic locking).
• <custom-class> - A custom class that extends the BatchWritingMechanism class.

See Also:

BatchWritingMechanism

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	Buffered
static java.lang.String	DEFAULT
static java.lang.String	JDBC
static java.lang.String	None
static java.lang.String	OracleJDBC

Constructor Summary

Constructors

Constructor and Description
BatchWriting()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

None

public static final java.lang.String None

See Also:

Constant Field Values

JDBC

public static final java.lang.String JDBC

See Also:

Constant Field Values

Buffered

public static final java.lang.String Buffered

See Also:

Constant Field Values

OracleJDBC

public static final java.lang.String OracleJDBC

See Also:

Constant Field Values

DEFAULT

public static final java.lang.String DEFAULT

See Also:

Constant Field Values

Constructor Detail

BatchWriting

public BatchWriting()