com.monad.homerun.filter
Class ComponentScreen

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

All Implemented Interfaces:

java.io.Serializable

public class ComponentScreen
extends Screen

ComponentScreen extends Screen to describe possession of controls, models, and emitters. That is, the screen passes the object if it has or lacks the named component.

See Also:

Serialized Form

Field Summary

static java.lang.String	COMP_CTRL
static java.lang.String	COMP_EMTR
static java.lang.String	COMP_MODEL
static int	OP_HAS
static int	OP_LACKS

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

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

Constructor Summary

ComponentScreen()

ComponentScreen(boolean alternate, java.lang.String compName, java.lang.String compType, int operator)

ComponentScreen(ComponentScreen screen)

Method Summary

java.lang.String	getComponentName() Returns the component name
java.lang.String	getComponentType() Returns the conponent type (model, emitter, control)
int	getOperator() Returns the screen operator
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

Field Detail

COMP_CTRL

public static final java.lang.String COMP_CTRL

See Also:

Constant Field Values

COMP_EMTR

public static final java.lang.String COMP_EMTR

See Also:

Constant Field Values

COMP_MODEL

public static final java.lang.String COMP_MODEL

See Also:

Constant Field Values

OP_HAS

public static final int OP_HAS

See Also:

Constant Field Values

OP_LACKS

public static final int OP_LACKS

See Also:

Constant Field Values

Constructor Detail

ComponentScreen

public ComponentScreen()

ComponentScreen

public ComponentScreen(boolean alternate,
                       java.lang.String compName,
                       java.lang.String compType,
                       int operator)

ComponentScreen

public ComponentScreen(ComponentScreen screen)

Method Detail

getComponentName

public java.lang.String getComponentName()

Returns the component name

Returns:

component the component name

getComponentType

public java.lang.String getComponentType()

Returns the conponent type (model, emitter, control)

Returns:

type the component type

getOperator

public int getOperator()

Returns the screen operator

Returns:

oper the screen operator

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