com.alee.utils.collection

Class CollectionBuilder<T,C extends Collection<T>,B extends CollectionBuilder<T,C,B>>

java.lang.Object

com.alee.utils.collection.CollectionBuilder<T,C,B>

Type Parameters:

T - value type

C - collection type

B - builder type

Direct Known Subclasses:

ArrayListBuilder, HashSetBuilder

public abstract class CollectionBuilder<T,C extends Collection<T>,B extends CollectionBuilder<T,C,B>>
extends Object

Author:

Mikle Garin

Field Summary

Fields

Modifier and Type	Field and Description
protected C	collection Collection instance.

Constructor Summary

Constructors

Constructor and Description
CollectionBuilder(C collection) Constructs new CollectionBuilder.

Method Summary

Modifier and Type	Method and Description
B	add(boolean condition, T element) Adds specified element into collection if condition is met.
B	add(Supplier<Boolean> condition, T element) Adds specified element into collection if condition is met.
B	add(T element) Adds specified element into collection.
B	addAll(boolean condition, Collection<? extends T> collection) Adds all Collection elements into collection if condition is met.
B	addAll(Collection<? extends T> collection) Adds all Collection elements into collection.
B	addAll(Supplier<Boolean> condition, Collection<? extends T> collection) Adds all Collection elements into collection if condition is met.
C	build() Returns built Collection.

Methods inherited from class java.lang.Object

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

Field Detail

collection

protected final C extends Collection<T> collection

Collection instance.

Constructor Detail

CollectionBuilder

public CollectionBuilder(C collection)

Constructs new CollectionBuilder.

Parameters:

collection - Collection instance

Method Detail

add

public B add(T element)

Adds specified element into collection.

Parameters:

element - element to add

Returns:

this CollectionBuilder

add

public B add(boolean condition,
             T element)

Adds specified element into collection if condition is met.

Parameters:

condition - condition to be met for element to be added

element - element to add

Returns:

this CollectionBuilder

add

public B add(Supplier<Boolean> condition,
             T element)

Adds specified element into collection if condition is met.

Parameters:

condition - Supplier of condition to be met for element to be added

element - element to add

Returns:

this CollectionBuilder

addAll

public B addAll(Collection<? extends T> collection)

Adds all Collection elements into collection.

Parameters:

collection - Collection containing elements to add

Returns:

this CollectionBuilder

addAll

public B addAll(boolean condition,
                Collection<? extends T> collection)

Adds all Collection elements into collection if condition is met.

Parameters:

condition - condition to be met for elements to be added

collection - Collection containing elements to add

Returns:

this CollectionBuilder

addAll

public B addAll(Supplier<Boolean> condition,
                Collection<? extends T> collection)

Adds all Collection elements into collection if condition is met.

Parameters:

condition - Supplier of condition to be met for element to be added

collection - Collection containing elements to add

Returns:

this CollectionBuilder

build

public C build()

Returns built Collection.

Returns:

built Collection