Package org.apache.openjpa.kernel

Class SaveFieldManager

  • All Implemented Interfaces:
    java.io.Serializable, FieldConsumer, FieldManager, FieldSupplier
    public class SaveFieldManager
extends java.lang.Object
implements java.io.Serializable
    FieldManager type used to store information for rollback.
    Author:
    Abe White
    See Also:
    Serialized Form

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean fetchBooleanField​(int field)
      Return the value of the given field.
      byte fetchByteField​(int field)
      Return the value of the given field.
      char fetchCharField​(int field)
      Return the value of the given field.
      double fetchDoubleField​(int field)
      Return the value of the given field.
      float fetchFloatField​(int field)
      Return the value of the given field.
      int fetchIntField​(int field)
      Return the value of the given field.
      long fetchLongField​(int field)
      Return the value of the given field.
      java.lang.Object fetchObjectField​(int field)
      Return the value of the given field.
      short fetchShortField​(int field)
      Return the value of the given field.
      java.lang.String fetchStringField​(int field)
      Return the value of the given field.
      static org.apache.openjpa.kernel.ClearFieldManager getInstance()  
      PersistenceCapable getState()
      Return the persistence capable copy holding the rollback field values.
      java.util.BitSet getUnloaded()
      Return the currently-loaded fields that will be unloaded after rollback.
      boolean isFieldEqual​(int field, java.lang.Object current)
      Compare the given field.
      boolean restoreField​(int field)
      Restore the given field.
      boolean saveField​(int field)
      Save the given field.
      void storeBooleanField​(int field, boolean curVal)
      Set the value of the given field.
      void storeByteField​(int field, byte curVal)
      Set the value of the given field.
      void storeCharField​(int field, char curVal)
      Set the value of the given field.
      void storeDoubleField​(int field, double curVal)
      Set the value of the given field.
      void storeFloatField​(int field, float curVal)
      Set the value of the given field.
      void storeIntField​(int field, int curVal)
      Set the value of the given field.
      void storeLongField​(int field, long curVal)
      Set the value of the given field.
      void storeObjectField​(int field, java.lang.Object curVal)
      Set the value of the given field.
      void storeShortField​(int field, short curVal)
      Set the value of the given field.
      void storeStringField​(int field, java.lang.String curVal)
      Set the value of the given field.

      • Methods inherited from class java.lang.Object

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

    • Method Detail

      • getState

        public PersistenceCapable getState()
        Return the persistence capable copy holding the rollback field values.

      • getUnloaded

        public java.util.BitSet getUnloaded()
        Return the currently-loaded fields that will be unloaded after rollback.

      • saveField

        public boolean saveField​(int field)
        Save the given field. If this method returns true, then you need to use this field manager to replace the given field in the instance returned by getState().

      • restoreField

        public boolean restoreField​(int field)
        Restore the given field. If this method returns true, then you need to use this field manager to replace the given field in the state manager's instance.

      • isFieldEqual

        public boolean isFieldEqual​(int field,
                            java.lang.Object current)
        Compare the given field.
        Returns:
        true if the field is the same in the current state and in the saved state; otherwise, false.

      • fetchObjectField

        public java.lang.Object fetchObjectField​(int field)
        Description copied from interface: FieldSupplier
        Return the value of the given field.
        Specified by:
        fetchObjectField in interface FieldSupplier

      • storeObjectField

        public void storeObjectField​(int field,
                             java.lang.Object curVal)
        Description copied from interface: FieldConsumer
        Set the value of the given field.
        Specified by:
        storeObjectField in interface FieldConsumer

      • getInstance

        public static org.apache.openjpa.kernel.ClearFieldManager getInstance()

      • fetchBooleanField

        public boolean fetchBooleanField​(int field)
        Description copied from interface: FieldSupplier
        Return the value of the given field.
        Specified by:
        fetchBooleanField in interface FieldSupplier

      • fetchByteField

        public byte fetchByteField​(int field)
        Description copied from interface: FieldSupplier
        Return the value of the given field.
        Specified by:
        fetchByteField in interface FieldSupplier

      • fetchCharField

        public char fetchCharField​(int field)
        Description copied from interface: FieldSupplier
        Return the value of the given field.
        Specified by:
        fetchCharField in interface FieldSupplier

      • fetchDoubleField

        public double fetchDoubleField​(int field)
        Description copied from interface: FieldSupplier
        Return the value of the given field.
        Specified by:
        fetchDoubleField in interface FieldSupplier

      • fetchFloatField

        public float fetchFloatField​(int field)
        Description copied from interface: FieldSupplier
        Return the value of the given field.
        Specified by:
        fetchFloatField in interface FieldSupplier

      • fetchIntField

        public int fetchIntField​(int field)
        Description copied from interface: FieldSupplier
        Return the value of the given field.
        Specified by:
        fetchIntField in interface FieldSupplier

      • fetchLongField

        public long fetchLongField​(int field)
        Description copied from interface: FieldSupplier
        Return the value of the given field.
        Specified by:
        fetchLongField in interface FieldSupplier

      • fetchShortField

        public short fetchShortField​(int field)
        Description copied from interface: FieldSupplier
        Return the value of the given field.
        Specified by:
        fetchShortField in interface FieldSupplier

      • fetchStringField

        public java.lang.String fetchStringField​(int field)
        Description copied from interface: FieldSupplier
        Return the value of the given field.
        Specified by:
        fetchStringField in interface FieldSupplier

      • storeBooleanField

        public void storeBooleanField​(int field,
                              boolean curVal)
        Description copied from interface: FieldConsumer
        Set the value of the given field.
        Specified by:
        storeBooleanField in interface FieldConsumer

      • storeByteField

        public void storeByteField​(int field,
                           byte curVal)
        Description copied from interface: FieldConsumer
        Set the value of the given field.
        Specified by:
        storeByteField in interface FieldConsumer

      • storeCharField

        public void storeCharField​(int field,
                           char curVal)
        Description copied from interface: FieldConsumer
        Set the value of the given field.
        Specified by:
        storeCharField in interface FieldConsumer

      • storeDoubleField

        public void storeDoubleField​(int field,
                             double curVal)
        Description copied from interface: FieldConsumer
        Set the value of the given field.
        Specified by:
        storeDoubleField in interface FieldConsumer

      • storeFloatField

        public void storeFloatField​(int field,
                            float curVal)
        Description copied from interface: FieldConsumer
        Set the value of the given field.
        Specified by:
        storeFloatField in interface FieldConsumer

      • storeIntField

        public void storeIntField​(int field,
                          int curVal)
        Description copied from interface: FieldConsumer
        Set the value of the given field.
        Specified by:
        storeIntField in interface FieldConsumer

      • storeLongField

        public void storeLongField​(int field,
                           long curVal)
        Description copied from interface: FieldConsumer
        Set the value of the given field.
        Specified by:
        storeLongField in interface FieldConsumer

      • storeShortField

        public void storeShortField​(int field,
                            short curVal)
        Description copied from interface: FieldConsumer
        Set the value of the given field.
        Specified by:
        storeShortField in interface FieldConsumer

      • storeStringField

        public void storeStringField​(int field,
                             java.lang.String curVal)
        Description copied from interface: FieldConsumer
        Set the value of the given field.
        Specified by:
        storeStringField in interface FieldConsumer