oracle.toplink.essentials.internal.parsing.ejbql

Class EJBQLCallQueryMechanism

java.lang.Object

oracle.toplink.essentials.internal.queryframework.DatabaseQueryMechanism

oracle.toplink.essentials.internal.queryframework.DatasourceCallQueryMechanism

oracle.toplink.essentials.internal.queryframework.CallQueryMechanism

oracle.toplink.essentials.internal.queryframework.StatementQueryMechanism

oracle.toplink.essentials.internal.queryframework.ExpressionQueryMechanism

oracle.toplink.essentials.internal.parsing.ejbql.EJBQLCallQueryMechanism

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class EJBQLCallQueryMechanism
extends ExpressionQueryMechanism

INTERNAL

Purpose: Mechanism used for EJBQL.

Responsibilities: Executes the appropriate call.

Since:

TopLink 4.0

Author:

Jon Driscoll, Joel Lucuik

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected EJBQLCall	ejbqlCall

Fields inherited from class oracle.toplink.essentials.internal.queryframework.ExpressionQueryMechanism

selectionCriteria

Fields inherited from class oracle.toplink.essentials.internal.queryframework.StatementQueryMechanism

sqlStatement, sqlStatements

Fields inherited from class oracle.toplink.essentials.internal.queryframework.DatasourceCallQueryMechanism

call, calls

Fields inherited from class oracle.toplink.essentials.internal.queryframework.DatabaseQueryMechanism

query

Constructor Summary

Constructors

Constructor and Description
EJBQLCallQueryMechanism(DatabaseQuery query) Initialize the state of the query
EJBQLCallQueryMechanism(DatabaseQuery query, EJBQLCall call) INTERNAL Initialize the state of the query

Method Summary

Modifier and Type	Method and Description
void	buildSelectionCriteria(AbstractSession newSession) Internal: In the case of EJBQL, an expression needs to be generated, and the query populated.
java.lang.Object	clone() Clone the mechanism
EJBQLCall	getEJBQLCall()
boolean	isEJBQLCallQueryMechanism() Delete a collection of objects This should be overriden by subclasses.
void	prepareForExecution() All the query mechanism related things are initialized here.
void	setEJBQLCall(EJBQLCall newEJBQLCall)

Methods inherited from class oracle.toplink.essentials.internal.queryframework.ExpressionQueryMechanism

aliasFields, aliasPresetFields, buildBaseSelectionCriteria, buildBaseSelectStatement, buildConcreteSelectStatement, buildDeleteAllStatement, buildDeleteAllStatementForMapping, buildDeleteAllStatementsForMappings, buildDeleteAllStatementsForMappingsWithTempTable, buildDeleteStatement, buildDeleteStatementForDeleteAllQuery, buildDeleteStatementForDeleteAllQuery, buildInsertStatement, buildNormalSelectStatement, buildReportQuerySelectStatement, buildReportQuerySelectStatement, buildSelectStatementForDoesExist, buildStatementsForDeleteAllForTempTables, buildStatementsForUpdateAllForTempTables, buildUpdateAllStatement, buildUpdateAllStatementForOracleAnonymousBlock, buildUpdateStatement, checkCacheForObject, clone, computeAndSetItemOffset, createSQLSelectStatementForAssignedExpressionForUpdateAll, createSQLSelectStatementForModifyAll, createSQLSelectStatementForModifyAll, createSQLSelectStatementForModifyAll, createSQLSelectStatementForModifyAll, createSQLSelectStatementForModifyAllForTempTable, createSQLSelectStatementForUpdateAllForOracleAnonymousBlock, extractStatementFromItem, getAliasTableName, getExpressionBuilder, getHighestDescriptorMappingTable, getNonSelectionFields, getPrimaryKeyFieldsForTable, getPrimaryKeyFieldsForTable, getSelectionCriteria, getSelectionFields, isExpressionQueryMechanism, isStatementQueryMechanism, prepare, prepareCursorSelectAllRows, prepareDeleteAll, prepareDeleteAll, prepareDeleteAllUsingTempStorage, prepareDeleteAllUsingTempTables, prepareDeleteObject, prepareDoesExist, prepareInsertObject, prepareReportQuerySelectAllRows, prepareReportQuerySubSelect, prepareSelectAllRows, prepareSelectOneRow, prepareUpdateAll, prepareUpdateAllUsingOracleAnonymousBlock, prepareUpdateAllUsingTempStorage, prepareUpdateAllUsingTempTables, prepareUpdateObject, selectAllReportQueryRows, selectAllRows, selectAllRowsFromConcreteTable, selectAllRowsFromTable, selectOneRow, selectOneRowFromConcreteTable, selectOneRowFromTable, setSelectionCriteria

Methods inherited from class oracle.toplink.essentials.internal.queryframework.StatementQueryMechanism

clearStatement, deleteObject, executeNoSelect, getSQLStatement, getSQLStatements, hasMultipleStatements, insertObject, insertObject, isCallQueryMechanism, prepareExecuteNoSelect, prepareExecuteSelect, setCallFromStatement, setSQLStatement, setSQLStatements, updateObject

Methods inherited from class oracle.toplink.essentials.internal.queryframework.CallQueryMechanism

getDatabaseCall, prepareCall, setCallHasCustomSQLArguments, updateForeignKeyFieldShallow

Methods inherited from class oracle.toplink.essentials.internal.queryframework.DatasourceCallQueryMechanism

addCall, cursorSelectAllRows, deleteAll, deleteAllUsingTempTables, executeCall, executeCall, executeNoSelectCall, executeSelect, executeSelectCall, getCall, getCalls, hasMultipleCalls, prepareReportQueryItems, selectRowForDoesExist, setCall, setCalls, updateAll, updateAllUsingTempTables

Methods inherited from class oracle.toplink.essentials.internal.queryframework.DatabaseQueryMechanism

addObjectDeletedDuringCommit, addWriteLockFieldForInsert, buildObjectsFromRows, deleteObjectForWrite, executeWrite, executeWriteWithChangeSet, getDescriptor, getModifyRow, getQuery, getReadObjectQuery, getSession, getTranslationRow, getWriteObjectQuery, insertObjectForWrite, insertObjectForWriteWithChangeSet, isQueryByExampleMechanism, performUserDefinedDelete, performUserDefinedInsert, performUserDefinedUpdate, performUserDefinedWrite, registerObjectInIdentityMap, setQuery, shallowDeleteObjectForWrite, shallowInsertObjectForWrite, updateChangeSet, updateChangeSet, updateChangeSet, updateChangeSet, updateForeignKeyFieldAfterInsert, updateForeignKeyFieldBeforeDelete, updateObjectAndRowWithReturnRow, updateObjectAndRowWithSequenceNumber, updateObjectForWrite, updateObjectForWriteWithChangeSet

Methods inherited from class java.lang.Object

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

Field Detail

ejbqlCall

protected EJBQLCall ejbqlCall

Constructor Detail

EJBQLCallQueryMechanism

public EJBQLCallQueryMechanism(DatabaseQuery query)

Initialize the state of the query

Parameters:

query - - owner of mechanism

EJBQLCallQueryMechanism

public EJBQLCallQueryMechanism(DatabaseQuery query,
                               EJBQLCall call)

INTERNAL Initialize the state of the query

Parameters:

query - - owner of mechanism

call - - Database call

Method Detail

clone

public java.lang.Object clone()

Description copied from class: DatabaseQueryMechanism

Clone the mechanism

Overrides:

clone in class DatabaseQueryMechanism

buildSelectionCriteria

public void buildSelectionCriteria(AbstractSession newSession)

Internal: In the case of EJBQL, an expression needs to be generated, and the query populated.

Overrides:

buildSelectionCriteria in class DatabaseQueryMechanism

getEJBQLCall

public EJBQLCall getEJBQLCall()

isEJBQLCallQueryMechanism

public boolean isEJBQLCallQueryMechanism()

Description copied from class: DatabaseQueryMechanism

Delete a collection of objects This should be overriden by subclasses.

Overrides:

isEJBQLCallQueryMechanism in class DatabaseQueryMechanism

prepareForExecution

public void prepareForExecution()
                         throws QueryException

All the query mechanism related things are initialized here. This method is called on the *clone* of the query with every execution.

Overrides:

prepareForExecution in class DatabaseQueryMechanism

Throws:

QueryException

setEJBQLCall

public void setEJBQLCall(EJBQLCall newEJBQLCall)