Field Detail

• NO_CACHE

  public static final int NO_CACHE

  Cache usage flags

  See Also:

  Constant Field Values

• INVALIDATE_CACHE

  public static final int INVALIDATE_CACHE

  See Also:

  Constant Field Values

Constructor Detail

• ModifyAllQuery

  public ModifyAllQuery()

  PUBLIC:

• ModifyAllQuery

  public ModifyAllQuery​(Class referenceClass)

  PUBLIC: Create a new update all query for the class specified.

• ModifyAllQuery

  public ModifyAllQuery​(Class referenceClass,
                        Expression selectionCriteria)

  PUBLIC: Create a new update all query for the class and the selection criteria specified.

Method Detail

• isModifyAllQuery

  public boolean isModifyAllQuery()

  PUBLIC: Return true if this is a modify all query.

  Overrides:

  isModifyAllQuery in class DatabaseQuery

• setIsPreparedUsingTempStorage

  public void setIsPreparedUsingTempStorage​(boolean isPreparedUsingTempStorage)

  INTERNAL:

• isPreparedUsingTempStorage

  public boolean isPreparedUsingTempStorage()

  INTERNAL:

• executeInUnitOfWork

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

  INTERNAL: Override query execution where Session is a UnitOfWork.

  If there are objects in the cache return the results of the cache lookup.

  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.

  OptimisticLockException - - an error has occurred using the optimistic lock feature.

• getCacheUsage

  public int getCacheUsage()

  PUBLIC: Return the cache usage for this query.

• getExpressionBuilder

  public ExpressionBuilder getExpressionBuilder()

  PUBLIC: Get the expression builder which should be used for this query. This expression builder should be used to build all expressions used by this query.

• setExpressionBuilder

  public void setExpressionBuilder​(ExpressionBuilder builder)

  INTERNAL Sets the default expression builder for this query.

• getReferenceClassName

  public String getReferenceClassName()

  INTERNAL: Return the name of the reference class of the query. Used by the Mapping Workbench to avoid classpath dependencies

  Overrides:

  getReferenceClassName in class DatabaseQuery

• getReferenceClass

  public Class getReferenceClass()

  PUBLIC: Return the reference class for this query.

  Overrides:

  getReferenceClass in class DatabaseQuery

• mergeChangesIntoSharedCache

  public void mergeChangesIntoSharedCache()

  INTERNAL: After execution we need to merge the changes into the shared cache, unless the query has been tagged to bypass on the store.

• setCacheUsage

  public void setCacheUsage​(int cacheUsage)

  PUBLIC: Set the level of cache support for this query, either NONE or INVALIDATE.

• setReferenceClass

  public void setReferenceClass​(Class referenceClass)

  PUBLIC: Set the reference class this query.

• setReferenceClassName

  public void setReferenceClassName​(String className)

  INTERNAL: Set the class name of the reference class of this query. Used by the Mapping Workbench to avoid classpath dependencies.

• setShouldDeferExecutionInUOW

  public void setShouldDeferExecutionInUOW​(boolean shouldDeferExecutionInUOW)

  PUBLIC: Set a flag indicating whether execution should be deferred in UOW until commit.

• shouldDeferExecutionInUOW

  public boolean shouldDeferExecutionInUOW()

  PUBLIC: Indicates whether execution should be deferred in UOW until commit.