com.monad.homerun.filter
Class RelationScreen

java.lang.Object
  com.monad.homerun.filter.Screen
      com.monad.homerun.filter.RelationScreen

All Implemented Interfaces:

java.io.Serializable

public class RelationScreen
extends Screen

RelationScreen extends Screen to describe object model relations. The screen passes the object if it satisfies the relation. Note that this is a 'runtime' screen, meaning that objects may pass or fail depending on the current state of their model.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.monad.homerun.filter.Screen

COMPONENT, FILTER, INST_PROP, LIST, RELATION, TYPE, TYPE_PROP

Constructor Summary

RelationScreen()

RelationScreen(boolean alternate, Relation relation)

RelationScreen(boolean alternate, Relation relation, java.lang.String compObjName)

RelationScreen(RelationScreen screen)

Method Summary

java.lang.String	getCompObjName()
Relation	getRelation()
java.lang.String	getSpecType()
boolean	isRuntime(Screener screener) Returns true if testing screen relies on runtime state of system
boolean	pass(Screener screener, java.lang.String domain, java.lang.String objectName, FilterTrace trace) Tests the object against the screen (with optional tracing)
java.lang.String	toString() Returns a string representation of the Screen
boolean	validate(Screener screener, java.lang.String domain, FilterTrace trace) Validates the terms of the screen with optional tracing

Methods inherited from class com.monad.homerun.filter.Screen

clone, getNote, getType, isAlternate, setNote

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

RelationScreen

public RelationScreen()

RelationScreen

public RelationScreen(boolean alternate,
                      Relation relation)

RelationScreen

public RelationScreen(boolean alternate,
                      Relation relation,
                      java.lang.String compObjName)

RelationScreen

public RelationScreen(RelationScreen screen)

Method Detail

getRelation

public Relation getRelation()

getCompObjName

public java.lang.String getCompObjName()

getSpecType

public java.lang.String getSpecType()

toString

public java.lang.String toString()

Description copied from class: Screen

Returns a string representation of the Screen

Overrides:

toString in class Screen

Returns:

a descriptive screen

isRuntime

public boolean isRuntime(Screener screener)

Description copied from class: Screen

Returns true if testing screen relies on runtime state of system

Specified by:

isRuntime in class Screen

Returns:

true if runtime

validate

public boolean validate(Screener screener,
                        java.lang.String domain,
                        FilterTrace trace)

Validates the terms of the screen with optional tracing

Specified by:

validate in class Screen

Parameters:

screener - the Screening agent

domain - the domain of the object being screened

trace - the optional trace object

Returns:

true if screen valid

pass

public boolean pass(Screener screener,
                    java.lang.String domain,
                    java.lang.String objectName,
                    FilterTrace trace)

Tests the object against the screen (with optional tracing)

Specified by:

pass in class Screen

Parameters:

screener - the Screening agent

domain - the domain of the object being screened

objectName - the object being screened

trace - the optional trace object

Returns:

true if object passes through screen