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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.cayenne.util.commons</a></div>
<h2 title="Class CompositeCollection" class="title">Class CompositeCollection&lt;E&gt;</h2>
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<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a></li>
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<li>org.apache.cayenne.util.commons.CompositeCollection&lt;E&gt;</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a>&lt;E&gt;</code>, <code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;E&gt;</code></dd>
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<pre>public class <span class="typeNameLabel">CompositeCollection&lt;E&gt;</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>
implements <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;E&gt;</pre>
<div class="block">Decorates a collection of other collections to provide a single unified view.
<p>
Changes made to this collection will actually be made on the decorated collection.
Add and remove operations require the use of a pluggable strategy. If no
strategy is provided then add and remove are unsupported.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>4.1
NOTE: this is a simplified and type-safe version of CompositeCollection found in commons-collections v3.2.1</dd>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Brian McCallister, Stephen Colebourne, Phil Steitz</dd>
</dl>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util" class="externalLink">ArrayList</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#all">all</a></span></code></th>
<td class="colLast">
<div class="block">Collections in the composite</div>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">CompositeCollection</a></span>()</code></th>
<td class="colLast">
<div class="block">Create an empty CompositeCollection.</div>
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<h3>Method Summary</h3>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#add(java.lang.Object)">add</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;obj)</code></th>
<td class="colLast">
<div class="block">Adds an object to the collection, throwing UnsupportedOperationException
unless a CollectionMutator strategy is specified.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addAll(java.util.Collection)">addAll</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;? extends <a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;&nbsp;coll)</code></th>
<td class="colLast">
<div class="block">Adds a collection of elements to this collection, throwing
UnsupportedOperationException unless a CollectionMutator strategy is specified.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addComposited(java.util.Collection)">addComposited</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;&nbsp;c)</code></th>
<td class="colLast">
<div class="block">Add an additional collection to this composite.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#clear()">clear</a></span>()</code></th>
<td class="colLast">
<div class="block">Removes all of the elements from this collection .</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#contains(java.lang.Object)">contains</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;obj)</code></th>
<td class="colLast">
<div class="block">Checks whether this composite collection contains the object.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsAll(java.util.Collection)">containsAll</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;?&gt;&nbsp;coll)</code></th>
<td class="colLast">
<div class="block">Checks whether this composite contains all the elements in the specified collection.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCollections()">getCollections</a></span>()</code></th>
<td class="colLast">
<div class="block">Gets the collections being decorated.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isEmpty()">isEmpty</a></span>()</code></th>
<td class="colLast">
<div class="block">Checks whether this composite collection is empty.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util" class="externalLink">Iterator</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#iterator()">iterator</a></span>()</code></th>
<td class="colLast">
<div class="block">Gets an iterator over all the collections in this composite.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#remove(java.lang.Object)">remove</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;obj)</code></th>
<td class="colLast">
<div class="block">Removes an object from the collection, throwing UnsupportedOperationException
unless a CollectionMutator strategy is specified.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#removeAll(java.util.Collection)">removeAll</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;?&gt;&nbsp;coll)</code></th>
<td class="colLast">
<div class="block">Removes the elements in the specified collection from this composite collection.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#removeComposited(java.util.Collection)">removeComposited</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;&nbsp;coll)</code></th>
<td class="colLast">
<div class="block">Removes a collection from the those being decorated in this composite.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#retainAll(java.util.Collection)">retainAll</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;?&gt;&nbsp;coll)</code></th>
<td class="colLast">
<div class="block">Retains all the elements in the specified collection in this composite collection,
removing all others.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#size()">size</a></span>()</code></th>
<td class="colLast">
<div class="block">Gets the size of this composite collection.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toArray()">toArray</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns an array containing all of the elements in this composite.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>&lt;T&gt;&nbsp;T[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toArray(T%5B%5D)">toArray</a></span>&#8203;(T[]&nbsp;array)</code></th>
<td class="colLast">
<div class="block">Returns an object array, populating the supplied array if possible.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></li>
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<h3>Methods inherited from interface&nbsp;java.util.<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.util" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#hashCode()" title="class or interface in java.util" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#parallelStream()" title="class or interface in java.util" class="externalLink">parallelStream</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#removeIf(java.util.function.Predicate)" title="class or interface in java.util" class="externalLink">removeIf</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#spliterator()" title="class or interface in java.util" class="externalLink">spliterator</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#stream()" title="class or interface in java.util" class="externalLink">stream</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#toArray(java.util.function.IntFunction)" title="class or interface in java.util" class="externalLink">toArray</a></code></li>
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<h3>Methods inherited from interface&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#forEach(java.util.function.Consumer)" title="class or interface in java.lang" class="externalLink">forEach</a></code></li>
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<h4>all</h4>
<pre>protected&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util" class="externalLink">ArrayList</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;&gt; all</pre>
<div class="block">Collections in the composite</div>
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<h4>CompositeCollection</h4>
<pre>public&nbsp;CompositeCollection()</pre>
<div class="block">Create an empty CompositeCollection.</div>
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<pre class="methodSignature">public&nbsp;int&nbsp;size()</pre>
<div class="block">Gets the size of this composite collection.
<p>
This implementation calls <code>size()</code> on each collection.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#size()" title="class or interface in java.util" class="externalLink">size</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>total number of elements in all contained containers</dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;isEmpty()</pre>
<div class="block">Checks whether this composite collection is empty.
<p>
This implementation calls <code>isEmpty()</code> on each collection.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#isEmpty()" title="class or interface in java.util" class="externalLink">isEmpty</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if all of the contained collections are empty</dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;contains&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;obj)</pre>
<div class="block">Checks whether this composite collection contains the object.
<p>
This implementation calls <code>contains()</code> on each collection.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#contains(java.lang.Object)" title="class or interface in java.util" class="externalLink">contains</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>obj</code> - the object to search for</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if obj is contained in any of the contained collections</dd>
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<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util" class="externalLink">Iterator</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;&nbsp;iterator()</pre>
<div class="block">Gets an iterator over all the collections in this composite.
<p>
This implementation uses an <code>IteratorChain</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#iterator()" title="class or interface in java.util" class="externalLink">iterator</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#iterator()" title="class or interface in java.lang" class="externalLink">iterator</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an <code>IteratorChain</code> instance which supports
<code>remove()</code>. Iteration occurs over contained collections in
the order they were added, but this behavior should not be relied upon.</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><code>IteratorChain</code></dd>
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<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>[]&nbsp;toArray()</pre>
<div class="block">Returns an array containing all of the elements in this composite.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#toArray()" title="class or interface in java.util" class="externalLink">toArray</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an object array of all the elements in the collection</dd>
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<pre class="methodSignature">public&nbsp;&lt;T&gt;&nbsp;T[]&nbsp;toArray&#8203;(T[]&nbsp;array)</pre>
<div class="block">Returns an object array, populating the supplied array if possible.
See <code>Collection</code> interface for full details.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#toArray(T%5B%5D)" title="class or interface in java.util" class="externalLink">toArray</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>array</code> - the array to use, populating if possible</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an array of all the elements in the collection</dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;add&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;obj)</pre>
<div class="block">Adds an object to the collection, throwing UnsupportedOperationException
unless a CollectionMutator strategy is specified.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#add(E)" title="class or interface in java.util" class="externalLink">add</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>obj</code> - the object to add</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the collection was modified</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang" class="externalLink">UnsupportedOperationException</a></code> - if CollectionMutator hasn't been set</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang" class="externalLink">UnsupportedOperationException</a></code> - if add is unsupported</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassCastException.html?is-external=true" title="class or interface in java.lang" class="externalLink">ClassCastException</a></code> - if the object cannot be added due to its type</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang" class="externalLink">NullPointerException</a></code> - if the object cannot be added because its null</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink">IllegalArgumentException</a></code> - if the object cannot be added</dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;remove&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;obj)</pre>
<div class="block">Removes an object from the collection, throwing UnsupportedOperationException
unless a CollectionMutator strategy is specified.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#remove(java.lang.Object)" title="class or interface in java.util" class="externalLink">remove</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>obj</code> - the object being removed</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the collection is changed</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang" class="externalLink">UnsupportedOperationException</a></code> - if removed is unsupported</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassCastException.html?is-external=true" title="class or interface in java.lang" class="externalLink">ClassCastException</a></code> - if the object cannot be removed due to its type</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang" class="externalLink">NullPointerException</a></code> - if the object cannot be removed because its null</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink">IllegalArgumentException</a></code> - if the object cannot be removed</dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;containsAll&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;?&gt;&nbsp;coll)</pre>
<div class="block">Checks whether this composite contains all the elements in the specified collection.
<p>
This implementation calls <code>contains()</code> for each element in the
specified collection.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#containsAll(java.util.Collection)" title="class or interface in java.util" class="externalLink">containsAll</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>coll</code> - the collection to check for</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if all elements contained</dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;addAll&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;? extends <a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;&nbsp;coll)</pre>
<div class="block">Adds a collection of elements to this collection, throwing
UnsupportedOperationException unless a CollectionMutator strategy is specified.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#addAll(java.util.Collection)" title="class or interface in java.util" class="externalLink">addAll</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>coll</code> - the collection to add</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the collection was modified</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang" class="externalLink">UnsupportedOperationException</a></code> - if CollectionMutator hasn't been set</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang" class="externalLink">UnsupportedOperationException</a></code> - if add is unsupported</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassCastException.html?is-external=true" title="class or interface in java.lang" class="externalLink">ClassCastException</a></code> - if the object cannot be added due to its type</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang" class="externalLink">NullPointerException</a></code> - if the object cannot be added because its null</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink">IllegalArgumentException</a></code> - if the object cannot be added</dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;removeAll&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;?&gt;&nbsp;coll)</pre>
<div class="block">Removes the elements in the specified collection from this composite collection.
<p>
This implementation calls <code>removeAll</code> on each collection.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#removeAll(java.util.Collection)" title="class or interface in java.util" class="externalLink">removeAll</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>coll</code> - the collection to remove</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the collection was modified</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang" class="externalLink">UnsupportedOperationException</a></code> - if removeAll is unsupported</dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;retainAll&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;?&gt;&nbsp;coll)</pre>
<div class="block">Retains all the elements in the specified collection in this composite collection,
removing all others.
<p>
This implementation calls <code>retainAll()</code> on each collection.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#retainAll(java.util.Collection)" title="class or interface in java.util" class="externalLink">retainAll</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>coll</code> - the collection to remove</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the collection was modified</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang" class="externalLink">UnsupportedOperationException</a></code> - if retainAll is unsupported</dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;clear()</pre>
<div class="block">Removes all of the elements from this collection .
<p>
This implementation calls <code>clear()</code> on each collection.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#clear()" title="class or interface in java.util" class="externalLink">clear</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang" class="externalLink">UnsupportedOperationException</a></code> - if clear is unsupported</dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;addComposited&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;&nbsp;c)</pre>
<div class="block">Add an additional collection to this composite.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>c</code> - the collection to add</dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;removeComposited&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;&nbsp;coll)</pre>
<div class="block">Removes a collection from the those being decorated in this composite.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>coll</code> - collection to be removed</dd>
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<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="CompositeCollection.html" title="type parameter in CompositeCollection">E</a>&gt;&gt;&nbsp;getCollections()</pre>
<div class="block">Gets the collections being decorated.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Unmodifiable collection of all collections in this composite.</dd>
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</ul>
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