alma.ACS.impl

Class CommonComparablePropertyImpl

java.lang.Object

alma.ACS.impl.PropertyImpl

alma.ACS.impl.TypelessPropertyImpl

alma.ACS.impl.CommonPropertyImpl

alma.ACS.impl.CommonComparablePropertyImpl

All Implemented Interfaces:

Destroyable, PropertyReferenceHolder, CallbackDispatcher

Direct Known Subclasses:

ROCommonComparablePropertyImpl, RWCommonComparablePropertyImpl

public abstract class CommonComparablePropertyImpl
extends CommonPropertyImpl

Implementation of comparable common property, i.e. type of java.lang.Object.

Author:

Matej Sekoranja

Nested Class Summary

Nested classes/interfaces inherited from class alma.ACS.impl.CommonPropertyImpl

CommonPropertyImpl.GetAsyncAction, CommonPropertyImpl.SetAsyncAction

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.Object	graphMax Max graph value.
protected java.lang.Object	graphMin Min graph value.
protected java.lang.Object	minDeltaTrigger Min delta value (on-change monitors).
protected java.lang.Object	minStep Min step value.

Fields inherited from class alma.ACS.impl.CommonPropertyImpl

dataAccess, defaultTimerTrigger, defaultValue, historyPosition, historySize, historyTime, historyTurnaround, historyValue, m_logger, minTimerTrigger, mnemonicCompletion, mnemonicDataLock, mnemonicReadPending, mnemonicTime, mnemonicValue, mnemonicValueRetrival, monitors, propertyType

Fields inherited from class alma.ACS.impl.TypelessPropertyImpl

description, format, resolution, units

Fields inherited from class alma.ACS.impl.PropertyImpl

characteristicModelImpl, name, parentComponent, propertyRef

Fields inherited from interface alma.ACS.jbaci.CallbackDispatcher

DONE_TYPE, WORKING_TYPE

Constructor Summary

Constructors

Constructor and Description
CommonComparablePropertyImpl(java.lang.Class propertyType, java.lang.String name, CharacteristicComponentImpl parentComponent) Constructor.
CommonComparablePropertyImpl(java.lang.Class propertyType, java.lang.String name, CharacteristicComponentImpl parentComponent, DataAccess dataAccess) Constructor.

Method Summary

Modifier and Type	Method and Description
abstract boolean	lessThanDelta(java.lang.Object value1, java.lang.Object value2, java.lang.Object delta) Check if absolute difference between values is less than delta value
abstract boolean	noDelta(java.lang.Object value) Check if value equals no change (e.g.
void	readCharacteristics() Read property characteristics.
abstract java.lang.Object	sum(java.lang.Object value1, java.lang.Object value2, boolean substract) Calculate a sum of two values.

Methods inherited from class alma.ACS.impl.CommonPropertyImpl

addValueToHistory, default_timer_trigger, destroy, getAsync, getDataAccess, getHistory, getSync, min_timer_trigger, mnemonicValue, readPropertyTypeCharacteristic, registerMonitor, registerNonCorbaMonitor, setAsync, setNonblocking, setSync, unregisterMonitor

Methods inherited from class alma.ACS.impl.TypelessPropertyImpl

archive_now, description, format, publish_now, resolution, set_archive, set_archiving_interval, units

Methods inherited from class alma.ACS.impl.PropertyImpl

characteristic_component_name, find_characteristic, get_all_characteristics, get_characteristic_by_name, getParentComponent, getPropertyDescriptor, getPropertyRef, name, setPropertyRef

Methods inherited from class java.lang.Object

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

Methods inherited from interface alma.ACS.jbaci.CallbackDispatcher

dispatchCallback

Field Detail

graphMin

protected java.lang.Object graphMin

Min graph value.

graphMax

protected java.lang.Object graphMax

Max graph value.

minStep

protected java.lang.Object minStep

Min step value.

minDeltaTrigger

protected java.lang.Object minDeltaTrigger

Min delta value (on-change monitors).

Constructor Detail

CommonComparablePropertyImpl

public CommonComparablePropertyImpl(java.lang.Class propertyType,
                                    java.lang.String name,
                                    CharacteristicComponentImpl parentComponent)
                             throws PropertyInitializationFailed

Constructor.

Parameters:

propertyType - property Class type, non-null.

name - property name, non-null.

parentComponent - parent component, non-null.

Throws:

PropertyInitializationFailed - exception is thrown on failure

CommonComparablePropertyImpl

public CommonComparablePropertyImpl(java.lang.Class propertyType,
                                    java.lang.String name,
                                    CharacteristicComponentImpl parentComponent,
                                    DataAccess dataAccess)
                             throws PropertyInitializationFailed

Constructor.

Parameters:

propertyType - property Class type, non-null.

name - property name, non-null.

parentComponent - parent component, non-null.

dataAccess - data access to be use, non-null.

Throws:

PropertyInitializationFailed - exception is thrown on failure

Method Detail

readCharacteristics

public void readCharacteristics()
                         throws PropertyInitializationFailed

Read property characteristics.

Overrides:

readCharacteristics in class CommonPropertyImpl

Throws:

PropertyInitializationFailed - exception is thrown on failure

lessThanDelta

public abstract boolean lessThanDelta(java.lang.Object value1,
                                      java.lang.Object value2,
                                      java.lang.Object delta)

Check if absolute difference between values is less than delta value

Parameters:

value - value

delta - delta value

Returns:

true if difference between this object's value and given value is less that delta value

noDelta

public abstract boolean noDelta(java.lang.Object value)

Check if value equals no change (e.g. for double 0.0, int 0)

Returns:

if value equals no change

sum

public abstract java.lang.Object sum(java.lang.Object value1,
                                     java.lang.Object value2,
                                     boolean substract)

Calculate a sum of two values.

Parameters:

value1 - first value.

value2 - second value.

substract - negate value2.

Returns:

value of (value1 + (substract ? -value2 : value2)).