edu.mit.jmwe.util

Class CompositeCollection<E>

java.lang.Object

java.util.AbstractCollection<E>

edu.mit.jmwe.util.CompositeCollection<E>

Type Parameters:

E - the element type in the collection

All Implemented Interfaces:

java.lang.Iterable<E>, java.util.Collection<E>

Direct Known Subclasses:

MWEDescSet

public class CompositeCollection<E>
extends java.util.AbstractCollection<E>

A collection that is composed of several subsets of elements.

Since:

jMWE 1.0.0

Version:

$Id: CompositeCollection.java 265 2011-05-05 19:20:59Z markaf $

Author:

M.A. Finlayson

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	CompositeCollection.CompositeCollectionItr An iterator over the elements of this composite collection.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.List<java.util.Collection<? extends E>>	subsets

Constructor Summary

Constructors

Constructor and Description
CompositeCollection(java.util.Collection<? extends E>... subsets) Constructs this composite collection from the given array of subsets.
CompositeCollection(java.lang.Iterable<java.util.Collection<? extends E>> subsets) Constructs this composite collection from the given collection of subsets.

Method Summary

Modifier and Type	Method and Description
java.util.Iterator<E>	iterator()
int	size()

Methods inherited from class java.util.AbstractCollection

add, addAll, clear, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode, parallelStream, removeIf, spliterator, stream

Methods inherited from interface java.lang.Iterable

forEach

Field Detail

subsets

protected final java.util.List<java.util.Collection<? extends E>> subsets

Constructor Detail

CompositeCollection

public CompositeCollection(java.util.Collection<? extends E>... subsets)

Constructs this composite collection from the given array of subsets.

Parameters:

subsets - the collections containing the elements in this composite collection.

Throws:

java.lang.NullPointerException - if any of the subsets are null.

java.lang.IllegalArgumentException - if all of the subsets are empty.

Since:

jMWE 1.0.0

CompositeCollection

public CompositeCollection(java.lang.Iterable<java.util.Collection<? extends E>> subsets)

Constructs this composite collection from the given collection of subsets.

Parameters:

subsets - the collections containing the elements in this composite collection.

Throws:

java.lang.NullPointerException - if any of the subsets are null.

java.lang.IllegalArgumentException - if all of the subsets are empty.

Since:

jMWE 1.0.0

Method Detail

size

public int size()

Specified by:

size in interface java.util.Collection<E>

Specified by:

size in class java.util.AbstractCollection<E>

iterator

public java.util.Iterator<E> iterator()

Specified by:

iterator in interface java.lang.Iterable<E>

Specified by:

iterator in interface java.util.Collection<E>

Specified by:

iterator in class java.util.AbstractCollection<E>