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java.lang.Objectorg.eclipse.persistence.queries.DatabaseQuery
org.eclipse.persistence.queries.ModifyQuery
org.eclipse.persistence.queries.ObjectLevelModifyQuery
org.eclipse.persistence.queries.DeleteObjectQuery
public class DeleteObjectQuery
Purpose: Used for deleting objects.
Responsibilities: Extract primary key from object and delete it.
Field Summary |
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Fields inherited from class org.eclipse.persistence.queries.DatabaseQuery |
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BATCH_FETCH_PROPERTY, CascadeAggregateDelete, CascadeAllParts, CascadeByMapping, CascadeDependentParts, CascadePrivateParts, NoCascading |
Constructor Summary | |
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DeleteObjectQuery()
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DeleteObjectQuery(Call call)
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DeleteObjectQuery(Object objectToDelete)
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Method Summary | |
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Object |
executeDatabaseQuery()
INTERNAL: Perform the work to delete an object. |
boolean |
isDeleteObjectQuery()
PUBLIC: Return if this is a delete object query. |
boolean |
isFullRowRequired()
ADVANCED: Return if the full row is required by the delete query. |
void |
prepareForExecution()
INTERNAL: Prepare the receiver for execution in a session. |
void |
setIsFullRowRequired(boolean isFullRowRequired)
ADVANCED: Set if the full row is required by the delete query. |
Methods inherited from class org.eclipse.persistence.queries.ObjectLevelModifyQuery |
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checkDescriptor, executeInUnitOfWork, getBackupClone, getObject, getObjectChangeSet, getPrimaryKey, getReferenceClass, getReferenceClassName, isObjectLevelModifyQuery, setBackupClone, setObject, setObjectChangeSet, setPrimaryKey, toString |
Methods inherited from class org.eclipse.persistence.queries.ModifyQuery |
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forceBatchStatementExecution, getModifyRow, isModifyQuery, setForceBatchStatementExecution, setModifyRow |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public DeleteObjectQuery()
public DeleteObjectQuery(Object objectToDelete)
public DeleteObjectQuery(Call call)
Method Detail |
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public boolean isFullRowRequired()
public void setIsFullRowRequired(boolean isFullRowRequired)
public Object executeDatabaseQuery() throws DatabaseException, OptimisticLockException
executeDatabaseQuery
in class DatabaseQuery
DatabaseException
- - an error has occurred on the database.
OptimisticLockException
- - an error has occurred using the optimistic lock feature.public boolean isDeleteObjectQuery()
isDeleteObjectQuery
in class DatabaseQuery
public void prepareForExecution() throws QueryException
prepareForExecution
in class ObjectLevelModifyQuery
QueryException
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