com.alee.api.duplicate

Class AbstractDuplicateResolver

java.lang.Object

com.alee.api.duplicate.AbstractDuplicateResolver

All Implemented Interfaces:

DuplicateResolver, Serializable

Direct Known Subclasses:

RejectDuplicates, RemoveDuplicates

public abstract class AbstractDuplicateResolver
extends Object
implements DuplicateResolver

Abstract DuplicateResolver implementation that provides basic methods for duplicates detection based on Matcher.

Author:

Mikle Garin

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AbstractDuplicateResolver(Matcher matcher) Constructs new AbstractDuplicateResolver.

Method Summary

Modifier and Type	Method and Description
protected Object	firstDuplicate(Collection collection) Returns first Collection duplicates if it has any, null if it has none.
protected boolean	hasDuplicates(Collection collection) Returns whether or not specified Collection has one or more duplicates.
protected Collection	removeDuplicates(Collection collection) Removes any duplicates from the specified Collection and returns it.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.alee.api.duplicate.DuplicateResolver

resolve

Constructor Detail

AbstractDuplicateResolver

public AbstractDuplicateResolver(@NotNull
                                 Matcher matcher)

Constructs new AbstractDuplicateResolver.

Parameters:

matcher - Matcher for duplicates detection

Method Detail

hasDuplicates

protected boolean hasDuplicates(@NotNull
                                Collection collection)

Returns whether or not specified Collection has one or more duplicates.

Parameters:

collection - Collection to check for duplicates

Returns:

true if specified Collection has one or more duplicates, false otherwise

firstDuplicate

@Nullable
protected Object firstDuplicate(@NotNull
                                          Collection collection)

Returns first Collection duplicates if it has any, null if it has none.

Parameters:

collection - Collection to check for duplicates

Returns:

first Collection duplicates if it has any, null if it has none

removeDuplicates

@NotNull
protected Collection removeDuplicates(@NotNull
                                               Collection collection)

Removes any duplicates from the specified Collection and returns it. todo This will always remove duplicates starting from second, while removing all but last can be more convenient at times

Parameters:

collection - Collection to remove duplicates from

Returns:

Collection with all duplicates removed from it