Class ModifyAllQuery

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Cloneable
    Direct Known Subclasses:
    DeleteAllQuery, UpdateAllQuery

    public abstract class ModifyAllQuery
    extends ModifyQuery
    PUBLIC: Query used to perform a bulk delete using the expression framework.
    Since:
    August 18, 2005
    Author:
    Andrei Ilitchev
    See Also:
    Serialized Form
    • Constructor Detail

      • ModifyAllQuery

        public ModifyAllQuery()
        PUBLIC:
      • ModifyAllQuery

        public ModifyAllQuery​(java.lang.Class referenceClass)
        PUBLIC: Create a new update all query for the class specified.
      • ModifyAllQuery

        public ModifyAllQuery​(java.lang.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 java.lang.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 java.lang.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 java.lang.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​(java.lang.Class referenceClass)
        PUBLIC: Set the reference class this query.
      • setReferenceClassName

        public void setReferenceClassName​(java.lang.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.