org.eclipse.persistence.queries
Class ObjectLevelModifyQuery

java.lang.Object
  org.eclipse.persistence.queries.DatabaseQuery
      org.eclipse.persistence.queries.ModifyQuery
          org.eclipse.persistence.queries.ObjectLevelModifyQuery

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

DeleteObjectQuery, WriteObjectQuery

public abstract class ObjectLevelModifyQuery
extends ModifyQuery

Purpose: Abstract class for all object modify queries.

Responsibilities:

• Stores & retrieves the object to modify.
• Stores & retrieves the primary key of the objects.

See Also:

Serialized Form

Author:

Yvon Lavoie

Since:

TOPLink/Java 1.0

Field Summary

protected java.lang.Object	backupClone
protected java.lang.Object	object
protected org.eclipse.persistence.internal.sessions.ObjectChangeSet	objectChangeSet
protected java.lang.Object	primaryKey

Fields inherited from class org.eclipse.persistence.queries.ModifyQuery

forceBatchStatementExecution, modifyRow

Fields inherited from class org.eclipse.persistence.queries.DatabaseQuery

accessor, argumentFields, arguments, argumentTypeNames, argumentTypes, argumentValues, BATCH_FETCH_PROPERTY, CascadeAggregateDelete, CascadeAllParts, CascadeByMapping, CascadeDependentParts, cascadePolicy, CascadePrivateParts, descriptor, doNotRedirect, executionSession, flushOnExecute, hintString, isCustomQueryUsed, isExecutionClone, isNativeConnectionRequired, isPrepared, isUserDefined, name, NoCascading, properties, queryMechanism, queryTimeout, redirector, session, sessionName, shouldBindAllParameters, shouldCacheStatement, shouldCloneCall, shouldMaintainCache, shouldPrepare, shouldRetrieveBypassCache, shouldStoreBypassCache, shouldUseWrapperPolicy, sourceMapping, translationRow

Constructor Summary

ObjectLevelModifyQuery()
PUBLIC: Initialize the state of the query.

Method Summary

void	checkDescriptor(org.eclipse.persistence.internal.sessions.AbstractSession session) INTERNAL: Ensure that the descriptor has been set.
java.lang.Object	executeInUnitOfWork(org.eclipse.persistence.internal.sessions.UnitOfWorkImpl unitOfWork, org.eclipse.persistence.internal.sessions.AbstractRecord translationRow) INTERNAL: All have done is move code from UnitOfWork.internalExecuteQuery
protected java.lang.Object	executeInUnitOfWorkObjectLevelModifyQuery(org.eclipse.persistence.internal.sessions.UnitOfWorkImpl unitOfWork, org.eclipse.persistence.internal.sessions.AbstractRecord translationRow) INTERNAL: This code was moved from UnitOfWork.internalExecuteQuery.
java.lang.Object	getBackupClone() INTERNAL: Return the backup clone of the object from the unit of work.
java.lang.Object	getObject() PUBLIC: Return the object required for modification.
org.eclipse.persistence.internal.sessions.ObjectChangeSet	getObjectChangeSet() PUBLIC: Return the ObjectChangeSet representing the object being changed
java.lang.Object	getPrimaryKey() INTERNAL: Get the primary key for the query
java.lang.Class	getReferenceClass() Return the domain class associated with this query.
java.lang.String	getReferenceClassName() INTERNAL: Return the reference class for a query Note: Although the API is designed to avoid classpath dependencies for the MW, since the object is specified at runtime, this will not be an issue.
boolean	isObjectLevelModifyQuery() PUBLIC: Return if this is an object level modify query.
protected void	prepare() INTERNAL: Prepare the receiver for execution in a session.
void	prepareForExecution() INTERNAL: Prepare the receiver for execution in a session.
void	setBackupClone(java.lang.Object backupClone) INTERNAL: Set the backup clone of the object from the unit of work.
void	setObject(java.lang.Object object) PUBLIC: (REQUIRED) Set the object required for modification.
void	setObjectChangeSet(org.eclipse.persistence.internal.sessions.ObjectChangeSet changeSet) INTERNAL: Set the ObjectChangeSet representing the object to be written
void	setPrimaryKey(java.lang.Object primaryKey) INTERNAL: Set the primary key for the query.
java.lang.String	toString()

Methods inherited from class org.eclipse.persistence.queries.ModifyQuery

forceBatchStatementExecution, getModifyRow, isModifyQuery, setForceBatchStatementExecution, setModifyRow

Methods inherited from class org.eclipse.persistence.queries.DatabaseQuery

addArgument, addArgument, addArgument, addArgumentByTypeName, addArgumentValue, addArgumentValues, addCall, addStatement, bindAllParameters, buildArgumentFields, buildSelectionCriteria, cacheStatement, cascadeAllParts, cascadeByMapping, cascadeOnlyDependentParts, cascadePrivateParts, checkEarlyReturn, checkForCustomQuery, checkPrepare, checkPrepare, clone, clonedQueryExecutionComplete, convertClassNamesToClasses, copyFromQuery, dontBindAllParameters, dontCacheStatement, dontCascadeParts, dontMaintainCache, execute, executeDatabaseQuery, extractRemoteResult, getAccessor, getArguments, getArgumentTypeNames, getArgumentTypes, getArgumentValues, getBatchObjects, getCall, getCascadePolicy, getDatasourceCall, getDatasourceCalls, getDefaultRedirector, getDescriptor, getDomainClassNounName, getDoNotRedirect, getEJBQLString, getExecutionSession, getFlushOnExecute, getHintString, getJPQLString, getName, getProperties, getProperty, getQueryMechanism, getQueryNounName, getQueryTimeout, getRedirector, getSelectionCriteria, getSensorName, getSession, getSessionName, getShouldBindAllParameters, getSourceMapping, getSQLStatement, getSQLString, getSQLStrings, getTranslatedSQLString, getTranslatedSQLStrings, getTranslationRow, hasAccessor, hasArguments, hasProperties, hasQueryMechanism, hasSessionName, ignoreBindAllParameters, ignoreCacheStatement, isCallQuery, isCascadeOfAggregateDelete, isCustomQueryUsed, isCustomSelectionQuery, isDataModifyQuery, isDataReadQuery, isDefaultPropertiesQuery, isDeleteAllQuery, isDeleteObjectQuery, isDirectReadQuery, isExecutionClone, isExpressionQuery, isInsertObjectQuery, isJPQLCallQuery, isModifyAllQuery, isNativeConnectionRequired, isObjectBuildingQuery, isObjectLevelReadQuery, isPrepared, isReadAllQuery, isReadObjectQuery, isReadQuery, isReportQuery, isSQLCallQuery, isUpdateAllQuery, isUpdateObjectQuery, isUserDefined, isValueReadQuery, isWriteObjectQuery, maintainCache, prepareCall, prepareCustomQuery, prepareForRemoteExecution, prepareFromQuery, redirectQuery, remoteExecute, remoteExecute, removeProperty, replaceValueHoldersIn, retrieveBypassCache, rowFromArguments, setAccessor, setArguments, setArgumentTypeNames, setArgumentTypes, setArgumentValues, setBatchObjects, setCall, setCascadePolicy, setDatasourceCall, setDescriptor, setDoNotRedirect, setEJBQLString, setExecutionSession, setFlushOnExecute, setHintString, setIsCustomQueryUsed, setIsExecutionClone, setIsNativeConnectionRequired, setIsPrepared, setIsUserDefined, setJPQLString, setName, setProperties, setProperty, setQueryMechanism, setQueryTimeout, setRedirector, setSelectionCriteria, setSession, setSessionName, setShouldBindAllParameters, setShouldBindAllParameters, setShouldCacheStatement, setShouldMaintainCache, setShouldPrepare, setShouldRetrieveBypassCache, setShouldStoreBypassCache, setShouldUseWrapperPolicy, setSourceMapping, setSQLStatement, setSQLString, setTranslationRow, shouldBindAllParameters, shouldCacheStatement, shouldCascadeAllParts, shouldCascadeByMapping, shouldCascadeOnlyDependentParts, shouldCascadeParts, shouldCascadePrivateParts, shouldCloneCall, shouldIgnoreBindAllParameters, shouldIgnoreCacheStatement, shouldMaintainCache, shouldPrepare, shouldRetrieveBypassCache, shouldStoreBypassCache, shouldUseWrapperPolicy, storeBypassCache

Methods inherited from class java.lang.Object

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

Field Detail

primaryKey

protected java.lang.Object primaryKey

object

protected java.lang.Object object

objectChangeSet

protected org.eclipse.persistence.internal.sessions.ObjectChangeSet objectChangeSet

backupClone

protected java.lang.Object backupClone

Constructor Detail

ObjectLevelModifyQuery

public ObjectLevelModifyQuery()

PUBLIC: Initialize the state of the query.

Method Detail

checkDescriptor

public void checkDescriptor(org.eclipse.persistence.internal.sessions.AbstractSession session)
                     throws QueryException

INTERNAL: Ensure that the descriptor has been set.

Overrides:

checkDescriptor in class DatabaseQuery

Throws:

QueryException

executeInUnitOfWork

public java.lang.Object executeInUnitOfWork(org.eclipse.persistence.internal.sessions.UnitOfWorkImpl unitOfWork,
                                            org.eclipse.persistence.internal.sessions.AbstractRecord translationRow)
                                     throws DatabaseException

INTERNAL: All have done is move code from UnitOfWork.internalExecuteQuery

Overrides:

executeInUnitOfWork in class DatabaseQuery

Parameters:

unitOfWork - - the session in which the receiver will be executed.

translationRow - - the arguments

Returns:

An object, the result of executing the query.

Throws:

DatabaseException - - an error has occurred on the database.

executeInUnitOfWorkObjectLevelModifyQuery

protected java.lang.Object executeInUnitOfWorkObjectLevelModifyQuery(org.eclipse.persistence.internal.sessions.UnitOfWorkImpl unitOfWork,
                                                                     org.eclipse.persistence.internal.sessions.AbstractRecord translationRow)
                                                              throws DatabaseException,
                                                                     OptimisticLockException

INTERNAL: This code was moved from UnitOfWork.internalExecuteQuery.

Throws:

DatabaseException

OptimisticLockException

getBackupClone

public java.lang.Object getBackupClone()

INTERNAL: Return the backup clone of the object from the unit of work.

getObject

public java.lang.Object getObject()

PUBLIC: Return the object required for modification.

getObjectChangeSet

public org.eclipse.persistence.internal.sessions.ObjectChangeSet getObjectChangeSet()

PUBLIC: Return the ObjectChangeSet representing the object being changed

getPrimaryKey

public java.lang.Object getPrimaryKey()

INTERNAL: Get the primary key for the query

getReferenceClass

public java.lang.Class getReferenceClass()

Return the domain class associated with this query.

Overrides:

getReferenceClass in class DatabaseQuery

getReferenceClassName

public java.lang.String getReferenceClassName()

INTERNAL: Return the reference class for a query Note: Although the API is designed to avoid classpath dependencies for the MW, since the object is specified at runtime, this will not be an issue.

Overrides:

getReferenceClassName in class DatabaseQuery

isObjectLevelModifyQuery

public boolean isObjectLevelModifyQuery()

PUBLIC: Return if this is an object level modify query.

Overrides:

isObjectLevelModifyQuery in class DatabaseQuery

prepare

protected void prepare()
                throws QueryException

INTERNAL: Prepare the receiver for execution in a session. In particular check that the tables on the descriptor are set.

Overrides:

prepare in class DatabaseQuery

Throws:

QueryException

prepareForExecution

public void prepareForExecution()
                         throws QueryException

INTERNAL: Prepare the receiver for execution in a session. In particular check that the tables on the descriptor are set.

Overrides:

prepareForExecution in class DatabaseQuery

Throws:

QueryException

setBackupClone

public void setBackupClone(java.lang.Object backupClone)

INTERNAL: Set the backup clone of the object from the unit of work.

setObject

public void setObject(java.lang.Object object)

PUBLIC: (REQUIRED) Set the object required for modification.

setObjectChangeSet

public void setObjectChangeSet(org.eclipse.persistence.internal.sessions.ObjectChangeSet changeSet)

INTERNAL: Set the ObjectChangeSet representing the object to be written

setPrimaryKey

public void setPrimaryKey(java.lang.Object primaryKey)

INTERNAL: Set the primary key for the query.

toString

public java.lang.String toString()

Overrides:

toString in class DatabaseQuery