Package org.apache.cayenne.query

Class InsertBatchQuery

java.lang.Object

org.apache.cayenne.query.BatchQuery

org.apache.cayenne.query.InsertBatchQuery

All Implemented Interfaces:

Serializable, Query

public class InsertBatchQuery
extends BatchQuery

Batched INSERT query. Allows inserting multiple object snapshots (DataRows) for a given DbEntity in a single query. InsertBatchQuery normally is not used directly. Rather DataContext creates one internally when committing DataObjects.

See Also:

• Serialized Form

Field Summary

Fields inherited from class org.apache.cayenne.query.BatchQuery

dbAttributes, dbEntity, rows

Constructor Summary

Constructors

Constructor	Description
InsertBatchQuery(DbEntity entity, int batchCapacity)	Creates new InsertBatchQuery for a given DbEntity and estimated capacity.

Method Summary

Modifier and Type	Method	Description
void	add(Map<String,Object> snapshot)	Adds a snapshot to batch.
void	add(Map<String,Object> snapshot, ObjectId id)	Adds a snapshot to batch.

Methods inherited from class org.apache.cayenne.query.BatchQuery

createSQLAction, getDbAttributes, getDbEntity, getMetaData, getRows, isUsingOptimisticLocking, route

Methods inherited from class java.lang.Object

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

Constructor Details

InsertBatchQuery

public InsertBatchQuery(DbEntity entity,
 int batchCapacity)

Creates new InsertBatchQuery for a given DbEntity and estimated capacity.

Method Details

add

public void add(Map<String,Object> snapshot)

Adds a snapshot to batch. A shortcut for "add(snapshot, null)".

add

public void add(Map<String,Object> snapshot,
 ObjectId id)

Adds a snapshot to batch. Optionally stores the object id for the snapshot. Note that snapshot can hold either the real values or the instances of java.util.Supplier that will be resolved to the actual value on the spot, thus allowing deferred propagated keys resolution.

Since:

1.2