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<div class="subTitle">org.apache.commons.pool.impl</div>
<h2 title="Class SoftReferenceObjectPool" class="title">Class SoftReferenceObjectPool<T></h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="/usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html" title="class in org.apache.commons.pool">org.apache.commons.pool.BaseObjectPool</a><T></li>
<li>
<ul class="inheritance">
<li>org.apache.commons.pool.impl.SoftReferenceObjectPool<T></li>
</ul>
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</ul>
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<div class="description">
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<dl><dt><span class="strong">Type Parameters:</span></dt><dd><code>T</code> - the type of objects held in this pool</dd></dl>
<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/commons/pool/ObjectPool.html" title="interface in org.apache.commons.pool">ObjectPool</a><T></dd>
</dl>
<hr>
<br>
<pre>public class <span class="strong">SoftReferenceObjectPool<T></span>
extends <a href="../../../../../org/apache/commons/pool/BaseObjectPool.html" title="class in org.apache.commons.pool">BaseObjectPool</a><T>
implements <a href="../../../../../org/apache/commons/pool/ObjectPool.html" title="interface in org.apache.commons.pool">ObjectPool</a><T></pre>
<div class="block">A <a href="/usr/share/doc/default-jdk-doc/api/java/lang/ref/SoftReference.html?is-external=true" title="class or interface in java.lang.ref"><code>SoftReference</code></a> based
<a href="../../../../../org/apache/commons/pool/ObjectPool.html" title="interface in org.apache.commons.pool"><code>ObjectPool</code></a>.</div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>Pool 1.0</dd>
<dt><span class="strong">Version:</span></dt>
<dd>$Revision: 1222710 $ $Date: 2011-12-23 10:58:12 -0500 (Fri, 23 Dec 2011) $</dd>
<dt><span class="strong">Author:</span></dt>
<dd>Rodney Waldhoff, Sandy McArthur</dd></dl>
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<h3>Constructor Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#SoftReferenceObjectPool(org.apache.commons.pool.PoolableObjectFactory)">SoftReferenceObjectPool</a></strong>(<a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html" title="interface in org.apache.commons.pool">PoolableObjectFactory</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>> factory)</code>
<div class="block">Create a <code>SoftReferenceObjectPool</code> with the specified factory.</div>
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<caption><span>Methods</span><span class="tabEnd"> </span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#addObject()">addObject</a></strong>()</code>
<div class="block">Create an object, and place it into the pool.</div>
</td>
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<td class="colFirst"><code><a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#borrowObject()">borrowObject</a></strong>()</code>
<div class="block">Borrow an object from the pool.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#clear()">clear</a></strong>()</code>
<div class="block">Clears any objects sitting idle in the pool.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#close()">close</a></strong>()</code>
<div class="block">Close this pool, and free any resources associated with it.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html" title="interface in org.apache.commons.pool">PoolableObjectFactory</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#getFactory()">getFactory</a></strong>()</code>
<div class="block">Returns the <a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html" title="interface in org.apache.commons.pool"><code>PoolableObjectFactory</code></a> used by this pool to create and manage object instances.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#getNumActive()">getNumActive</a></strong>()</code>
<div class="block">Return the number of instances currently borrowed from this pool.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#getNumIdle()">getNumIdle</a></strong>()</code>
<div class="block">Returns an approximation not less than the of the number of idle instances in the pool.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#invalidateObject(T)">invalidateObject</a></strong>(<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a> obj)</code>
<div class="block">Invalidates an object from the pool.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#returnObject(T)">returnObject</a></strong>(<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a> obj)</code>
<div class="block">Returns an instance to the pool after successful validation and passivation.</div>
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<h3>Methods inherited from class org.apache.commons.pool.<a href="../../../../../org/apache/commons/pool/BaseObjectPool.html" title="class in org.apache.commons.pool">BaseObjectPool</a></h3>
<code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html#isClosed()">isClosed</a></code></li>
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<code><a href="/usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>SoftReferenceObjectPool</h4>
<pre>public SoftReferenceObjectPool(<a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html" title="interface in org.apache.commons.pool">PoolableObjectFactory</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>> factory)</pre>
<div class="block">Create a <code>SoftReferenceObjectPool</code> with the specified factory.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>factory</code> - object factory to use.</dd></dl>
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<h4>addObject</h4>
<pre>public void addObject()
throws <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><p>Create an object, and place it into the pool.
addObject() is useful for "pre-loading" a pool with idle objects.</p>
<p>Before being added to the pool, the newly created instance is
<a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html#validateObject(T)"><code>validated</code></a> and
<a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html#passivateObject(T)"><code>passivated</code></a>. If validation
fails, the new instance is <a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html#destroyObject(T)"><code>destroyed</code></a>.
Exceptions generated by the factory <code>makeObject</code> or <code>passivate</code> are
propagated to the caller. Exceptions destroying instances are silently swallowed.</p></div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/ObjectPool.html#addObject()">addObject</a></code> in interface <code><a href="../../../../../org/apache/commons/pool/ObjectPool.html" title="interface in org.apache.commons.pool">ObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html#addObject()">addObject</a></code> in class <code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html" title="class in org.apache.commons.pool">BaseObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="/usr/share/doc/default-jdk-doc/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - if invoked on a <a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#close()"><code>closed</code></a> pool</dd>
<dd><code><a href="/usr/share/doc/default-jdk-doc/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code> - when the <a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#getFactory()"><code>factory</code></a> has a problem creating or passivating an object.</dd></dl>
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<h4>borrowObject</h4>
<pre>public <a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a> borrowObject()
throws <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><p>Borrow an object from the pool. If there are no idle instances available in the pool, the configured
factory's <a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html#makeObject()"><code>PoolableObjectFactory.makeObject()</code></a> method is invoked to create a new instance.</p>
<p>All instances are <a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html#activateObject(T)"><code>activated</code></a> and
<a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html#validateObject(T)"><code>validated</code></a> before being returned by this
method. If validation fails or an exception occurs activating or validating an idle instance,
the failing instance is <a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html#destroyObject(T)"><code>destroyed</code></a> and another
instance is retrieved from the pool, validated and activated. This process continues until either the
pool is empty or an instance passes validation. If the pool is empty on activation or
it does not contain any valid instances, the factory's <code>makeObject</code> method is used
to create a new instance. If the created instance either raises an exception on activation or
fails validation, <code>NoSuchElementException</code> is thrown. Exceptions thrown by <code>MakeObject</code>
are propagated to the caller; but other than <code>ThreadDeath</code> or <code>VirtualMachineError</code>,
exceptions generated by activation, validation or destroy methods are swallowed silently.</p></div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/ObjectPool.html#borrowObject()">borrowObject</a></code> in interface <code><a href="../../../../../org/apache/commons/pool/ObjectPool.html" title="interface in org.apache.commons.pool">ObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html#borrowObject()">borrowObject</a></code> in class <code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html" title="class in org.apache.commons.pool">BaseObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>a valid, activated object instance</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="/usr/share/doc/default-jdk-doc/api/java/util/NoSuchElementException.html?is-external=true" title="class or interface in java.util">NoSuchElementException</a></code> - if a valid object cannot be provided</dd>
<dd><code><a href="/usr/share/doc/default-jdk-doc/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - if invoked on a <a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#close()"><code>closed</code></a> pool</dd>
<dd><code><a href="/usr/share/doc/default-jdk-doc/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code> - if an exception occurs creating a new instance</dd></dl>
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<h4>clear</h4>
<pre>public void clear()</pre>
<div class="block">Clears any objects sitting idle in the pool.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/ObjectPool.html#clear()">clear</a></code> in interface <code><a href="../../../../../org/apache/commons/pool/ObjectPool.html" title="interface in org.apache.commons.pool">ObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html#clear()">clear</a></code> in class <code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html" title="class in org.apache.commons.pool">BaseObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
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<h4>close</h4>
<pre>public void close()
throws <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><p>Close this pool, and free any resources associated with it. Invokes
<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#clear()"><code>clear()</code></a> to destroy and remove instances in the pool.</p>
<p>Calling <a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#addObject()"><code>addObject()</code></a> or <a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html#borrowObject()"><code>borrowObject()</code></a> after invoking
this method on a pool will cause them to throw an
<a href="/usr/share/doc/default-jdk-doc/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang"><code>IllegalStateException</code></a>.</p></div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/ObjectPool.html#close()">close</a></code> in interface <code><a href="../../../../../org/apache/commons/pool/ObjectPool.html" title="interface in org.apache.commons.pool">ObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html#close()">close</a></code> in class <code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html" title="class in org.apache.commons.pool">BaseObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="/usr/share/doc/default-jdk-doc/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code> - never - exceptions clearing the pool are swallowed</dd></dl>
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<h4>getFactory</h4>
<pre>public <a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html" title="interface in org.apache.commons.pool">PoolableObjectFactory</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>> getFactory()</pre>
<div class="block">Returns the <a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html" title="interface in org.apache.commons.pool"><code>PoolableObjectFactory</code></a> used by this pool to create and manage object instances.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the factory</dd><dt><span class="strong">Since:</span></dt>
<dd>1.5.5</dd></dl>
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<h4>getNumActive</h4>
<pre>public int getNumActive()</pre>
<div class="block">Return the number of instances currently borrowed from this pool.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/ObjectPool.html#getNumActive()">getNumActive</a></code> in interface <code><a href="../../../../../org/apache/commons/pool/ObjectPool.html" title="interface in org.apache.commons.pool">ObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html#getNumActive()">getNumActive</a></code> in class <code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html" title="class in org.apache.commons.pool">BaseObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the number of instances currently borrowed from this pool</dd></dl>
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<h4>getNumIdle</h4>
<pre>public int getNumIdle()</pre>
<div class="block">Returns an approximation not less than the of the number of idle instances in the pool.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/ObjectPool.html#getNumIdle()">getNumIdle</a></code> in interface <code><a href="../../../../../org/apache/commons/pool/ObjectPool.html" title="interface in org.apache.commons.pool">ObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html#getNumIdle()">getNumIdle</a></code> in class <code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html" title="class in org.apache.commons.pool">BaseObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>estimated number of idle instances in the pool</dd></dl>
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<h4>invalidateObject</h4>
<pre>public void invalidateObject(<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a> obj)
throws <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><p>Invalidates an object from the pool.</p>
<p>By contract, <code>obj</code> <strong>must</strong> have been obtained
using <a href="../../../../../org/apache/commons/pool/BaseObjectPool.html#borrowObject()"><code>borrowObject</code></a>.<p>
<p>This method should be used when an object that has been borrowed
is determined (due to an exception or other problem) to be invalid.</p></div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/ObjectPool.html#invalidateObject(T)">invalidateObject</a></code> in interface <code><a href="../../../../../org/apache/commons/pool/ObjectPool.html" title="interface in org.apache.commons.pool">ObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html#invalidateObject(T)">invalidateObject</a></code> in class <code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html" title="class in org.apache.commons.pool">BaseObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>obj</code> - a <a href="../../../../../org/apache/commons/pool/BaseObjectPool.html#borrowObject()"><code>borrowed</code></a> instance to be disposed.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="/usr/share/doc/default-jdk-doc/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd></dl>
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<h4>returnObject</h4>
<pre>public void returnObject(<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a> obj)
throws <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><p>Returns an instance to the pool after successful validation and passivation. The returning instance
is destroyed if any of the following are true:<ul>
<li>the pool is closed</li>
<li><a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html#validateObject(T)"><code>validation</code></a> fails</li>
<li><a href="../../../../../org/apache/commons/pool/PoolableObjectFactory.html#passivateObject(T)"><code>passivation</code></a> throws an exception</li>
</ul>
</p>
<p>Exceptions passivating or destroying instances are silently swallowed. Exceptions validating
instances are propagated to the client.</p></div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/ObjectPool.html#returnObject(T)">returnObject</a></code> in interface <code><a href="../../../../../org/apache/commons/pool/ObjectPool.html" title="interface in org.apache.commons.pool">ObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html#returnObject(T)">returnObject</a></code> in class <code><a href="../../../../../org/apache/commons/pool/BaseObjectPool.html" title="class in org.apache.commons.pool">BaseObjectPool</a><<a href="../../../../../org/apache/commons/pool/impl/SoftReferenceObjectPool.html" title="type parameter in SoftReferenceObjectPool">T</a>></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>obj</code> - instance to return to the pool</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="/usr/share/doc/default-jdk-doc/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd></dl>
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