Package com.helger.commons.state

Interface IChangeIndicator

All Known Implementing Classes:

ChangeWithValue, EChange

public interface IChangeIndicator

Very simple interface for an object that has changed/unchanged indication.

Author:

Philip Helger

Method Summary

Modifier and Type	Method	Description
default EChange	and(boolean bChange)
default EChange	and(IChangeIndicator aChange)
boolean	isChanged()
default boolean	isUnchanged()
default EChange	or(boolean bChange)
default EChange	or(IChangeIndicator aChange)

Method Details

isChanged

boolean isChanged()

Returns:

true if changed and false if unchanged.

isUnchanged

default boolean isUnchanged()

Returns:

true if unchanged and false if changed.

or

@Nonnull
default EChange or(@Nonnull
 IChangeIndicator aChange)

or

@Nonnull
default EChange or(boolean bChange)

and

@Nonnull
default EChange and(@Nonnull
 IChangeIndicator aChange)

and

@Nonnull
default EChange and(boolean bChange)