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org.apache.derby.iapi.services.io
Interface Storable  view Storable download Storable.java

All Superinterfaces:
java.io.Externalizable, Formatable, java.io.Serializable, TypedFormat

public interface Storable
extends Formatable

Formatable for holding SQL data (which may be null).


Method Summary
 boolean isNull()
          Return whether the value is null or not.
 void restoreToNull()
          Restore this object to its (SQL)null value.
 
Methods inherited from interface java.io.Externalizable
readExternal, writeExternal
 
Methods inherited from interface org.apache.derby.iapi.services.io.TypedFormat
getTypeFormatId
 

Method Detail

isNull

public boolean isNull()
Return whether the value is null or not.


restoreToNull

public void restoreToNull()
Restore this object to its (SQL)null value.