org.neodatis.odb.impl.core.query.values
Class AverageValueAction

java.lang.Object
  extended by org.neodatis.odb.core.query.values.AbstractQueryFieldAction
      extended by org.neodatis.odb.impl.core.query.values.AverageValueAction
All Implemented Interfaces:
java.io.Serializable, IQueryFieldAction

public class AverageValueAction
extends AbstractQueryFieldAction

An action to compute the average value of a field

Author:
osmadja
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.neodatis.odb.core.query.values.AbstractQueryFieldAction
alias, attributeName, instanceBuilder, isMultiRow, returnInstance
 
Constructor Summary
AverageValueAction(java.lang.String attributeName, java.lang.String alias)
           
 
Method Summary
 IQueryFieldAction copy()
          used to create a copy!
 void end()
           
 void execute(OID oid, AttributeValuesMap values)
           
 java.lang.Object getValue()
           
 void start()
           
 
Methods inherited from class org.neodatis.odb.core.query.values.AbstractQueryFieldAction
getAlias, getAttributeName, getInstanceBuilder, isMultiRow, returnInstance, setInstanceBuilder, setMultiRow, setReturnInstance
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

AverageValueAction

public AverageValueAction(java.lang.String attributeName,
                          java.lang.String alias)
Method Detail

execute

public void execute(OID oid,
                    AttributeValuesMap values)
Specified by:
execute in interface IQueryFieldAction
Specified by:
execute in class AbstractQueryFieldAction

getValue

public java.lang.Object getValue()

end

public void end()

start

public void start()

copy

public IQueryFieldAction copy()
Description copied from interface: IQueryFieldAction
used to create a copy!