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<div class="subTitle">org.apache.ignite.cache</div>
<h2 title="Class CacheInterceptorAdapter" class="title">Class CacheInterceptorAdapter&lt;K,V&gt;</h2>
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<ul class="inheritance">
<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<ul class="inheritance">
<li>org.apache.ignite.cache.CacheInterceptorAdapter&lt;K,V&gt;</li>
</ul>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="../../../../org/apache/ignite/cache/CacheInterceptor.html" title="interface in org.apache.ignite.cache">CacheInterceptor</a>&lt;K,V&gt;</dd>
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<pre>public class <span class="strong">CacheInterceptorAdapter&lt;K,V&gt;</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../org/apache/ignite/cache/CacheInterceptor.html" title="interface in org.apache.ignite.cache">CacheInterceptor</a>&lt;K,V&gt;</pre>
<div class="block">Cache interceptor convenience adapter. It provides no-op implementations for all
interceptor callbacks.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../serialized-form.html#org.apache.ignite.cache.CacheInterceptorAdapter">Serialized Form</a></dd></dl>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html#CacheInterceptorAdapter()">CacheInterceptorAdapter</a></strong>()</code>&nbsp;</td>
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<h3>Method Summary</h3>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html#onAfterPut(javax.cache.Cache.Entry)">onAfterPut</a></strong>(javax.cache.Cache.Entry&lt;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;&nbsp;entry)</code>
<div class="block">This method is called after new value has been stored.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html#onAfterRemove(javax.cache.Cache.Entry)">onAfterRemove</a></strong>(javax.cache.Cache.Entry&lt;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;&nbsp;entry)</code>
<div class="block">This method is called after value has been removed.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html#onBeforePut(javax.cache.Cache.Entry,%20V)">onBeforePut</a></strong>(javax.cache.Cache.Entry&lt;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;&nbsp;entry,
<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&nbsp;newVal)</code>
<div class="block">This method is called within <a href="../../../../org/apache/ignite/IgniteCache.html#put(K,%20V)"><code>IgniteCache.put(Object, Object)</code></a>
and similar operations before new value is stored in cache.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/ignite/lang/IgniteBiTuple.html" title="class in org.apache.ignite.lang">IgniteBiTuple</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html#onBeforeRemove(javax.cache.Cache.Entry)">onBeforeRemove</a></strong>(javax.cache.Cache.Entry&lt;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;&nbsp;entry)</code>
<div class="block">This method is called within <a href="../../../../org/apache/ignite/IgniteCache.html#remove(K)"><code>IgniteCache.remove(Object)</code></a>
and similar operations to provide control over returned value.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html#onGet(K,%20V)">onGet</a></strong>(<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>&nbsp;key,
<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&nbsp;val)</code>
<div class="block">This method is called within <a href="../../../../org/apache/ignite/IgniteCache.html#get(K)"><code>IgniteCache.get(Object)</code></a>
and similar operations to provide control over returned value.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>CacheInterceptorAdapter</h4>
<pre>public&nbsp;CacheInterceptorAdapter()</pre>
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<h3>Method Detail</h3>
<a name="onGet(java.lang.Object,java.lang.Object)">
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<h4>onGet</h4>
<pre>@Nullable
public&nbsp;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&nbsp;onGet(<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>&nbsp;key,
<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&nbsp;val)</pre>
<div class="block">This method is called within <a href="../../../../org/apache/ignite/IgniteCache.html#get(K)"><code>IgniteCache.get(Object)</code></a>
and similar operations to provide control over returned value.
<p>
If this method returns <code>null</code>, then <code>get()</code> operation
results in <code>null</code> as well.
<p>
This method should not throw any exception.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/ignite/cache/CacheInterceptor.html#onGet(K,%20V)">onGet</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/ignite/cache/CacheInterceptor.html" title="interface in org.apache.ignite.cache">CacheInterceptor</a>&lt;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;</code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>key</code> - Key.</dd><dd><code>val</code> - Value mapped to <code>key</code> at the moment of <code>get()</code> operation.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The new value to be returned as result of <code>get()</code> operation.</dd><dt><span class="strong">See Also:</span></dt><dd><code>Cache.get(Object)</code></dd></dl>
</li>
</ul>
<a name="onBeforePut(javax.cache.Cache.Entry,java.lang.Object)">
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</a><a name="onBeforePut(javax.cache.Cache.Entry, V)">
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<h4>onBeforePut</h4>
<pre>@Nullable
public&nbsp;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&nbsp;onBeforePut(javax.cache.Cache.Entry&lt;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;&nbsp;entry,
<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&nbsp;newVal)</pre>
<div class="block">This method is called within <a href="../../../../org/apache/ignite/IgniteCache.html#put(K,%20V)"><code>IgniteCache.put(Object, Object)</code></a>
and similar operations before new value is stored in cache.
<p>
Implementations should not execute any complex logic,
including locking, networking or cache operations,
as it may lead to deadlock, since this method is called
from sensitive synchronization blocks.
<p>
This method should not throw any exception.
<p>
<b>IMPORTANT:</b> for this method to take affect, <code>newVal</code> and
the returned value have to be different instances. I.e., you should
not mutate <code>newVal</code> directly, but instead create a copy, update
it and then return from the interceptor.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/ignite/cache/CacheInterceptor.html#onBeforePut(javax.cache.Cache.Entry,%20V)">onBeforePut</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/ignite/cache/CacheInterceptor.html" title="interface in org.apache.ignite.cache">CacheInterceptor</a>&lt;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;</code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>entry</code> - Old entry. If <a href="../../../../org/apache/ignite/configuration/CacheConfiguration.html#isCopyOnRead()"><code>CacheConfiguration.isCopyOnRead()</code></a> is <code>true</code>, then is copy.</dd><dd><code>newVal</code> - New value.</dd>
<dt><span class="strong">Returns:</span></dt><dd>Value to be put to cache. Returning <code>null</code> cancels the update.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../org/apache/ignite/IgniteCache.html#put(K,%20V)"><code>IgniteCache.put(Object, Object)</code></a></dd></dl>
</li>
</ul>
<a name="onAfterPut(javax.cache.Cache.Entry)">
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<h4>onAfterPut</h4>
<pre>public&nbsp;void&nbsp;onAfterPut(javax.cache.Cache.Entry&lt;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;&nbsp;entry)</pre>
<div class="block">This method is called after new value has been stored.
<p>
Implementations should not execute any complex logic,
including locking, networking or cache operations,
as it may lead to deadlock, since this method is called
from sensitive synchronization blocks.
<p>
This method should not throw any exception.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/ignite/cache/CacheInterceptor.html#onAfterPut(javax.cache.Cache.Entry)">onAfterPut</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/ignite/cache/CacheInterceptor.html" title="interface in org.apache.ignite.cache">CacheInterceptor</a>&lt;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;</code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>entry</code> - Current entry. If <a href="../../../../org/apache/ignite/configuration/CacheConfiguration.html#isCopyOnRead()"><code>CacheConfiguration.isCopyOnRead()</code></a> is <code>true</code> then
entry is a copy.</dd></dl>
</li>
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<h4>onBeforeRemove</h4>
<pre>@Nullable
public&nbsp;<a href="../../../../org/apache/ignite/lang/IgniteBiTuple.html" title="class in org.apache.ignite.lang">IgniteBiTuple</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;&nbsp;onBeforeRemove(javax.cache.Cache.Entry&lt;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;&nbsp;entry)</pre>
<div class="block">This method is called within <a href="../../../../org/apache/ignite/IgniteCache.html#remove(K)"><code>IgniteCache.remove(Object)</code></a>
and similar operations to provide control over returned value.
<p>
Implementations should not execute any complex logic,
including locking, networking or cache operations,
as it may lead to deadlock, since this method is called
from sensitive synchronization blocks.
<p>
This method should not throw any exception.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/ignite/cache/CacheInterceptor.html#onBeforeRemove(javax.cache.Cache.Entry)">onBeforeRemove</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/ignite/cache/CacheInterceptor.html" title="interface in org.apache.ignite.cache">CacheInterceptor</a>&lt;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;</code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>entry</code> - Old entry. If <a href="../../../../org/apache/ignite/configuration/CacheConfiguration.html#isCopyOnRead()"><code>CacheConfiguration.isCopyOnRead()</code></a> is <code>true</code> then
entry is a copy.</dd>
<dt><span class="strong">Returns:</span></dt><dd>Tuple. The first value is the flag whether remove should be cancelled or not.
The second is the value to be returned as result of <code>remove()</code> operation,
may be <code>null</code>.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../org/apache/ignite/IgniteCache.html#remove(K)"><code>IgniteCache.remove(Object)</code></a></dd></dl>
</li>
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<h4>onAfterRemove</h4>
<pre>public&nbsp;void&nbsp;onAfterRemove(javax.cache.Cache.Entry&lt;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;&nbsp;entry)</pre>
<div class="block">This method is called after value has been removed.
<p>
Implementations should not execute any complex logic,
including locking, networking or cache operations,
as it may lead to deadlock, since this method is called
from sensitive synchronization blocks.
<p>
This method should not throw any exception.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/ignite/cache/CacheInterceptor.html#onAfterRemove(javax.cache.Cache.Entry)">onAfterRemove</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/ignite/cache/CacheInterceptor.html" title="interface in org.apache.ignite.cache">CacheInterceptor</a>&lt;<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">K</a>,<a href="../../../../org/apache/ignite/cache/CacheInterceptorAdapter.html" title="type parameter in CacheInterceptorAdapter">V</a>&gt;</code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>entry</code> - Removed entry. If <a href="../../../../org/apache/ignite/configuration/CacheConfiguration.html#isCopyOnRead()"><code>CacheConfiguration.isCopyOnRead()</code></a> is <code>true</code> then
entry is a copy.</dd></dl>
</li>
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<div class="aboutLanguage"><em>Ignite - In-Memory Data Fabric</em></div>
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<p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://ignite.apache.org"><nobr>2015 Copyright &#169; Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Ignite Fabric</b> </td> <td>:&nbsp;&nbsp; ver. <strong>1.7.0</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>:&nbsp;&nbsp; August 1 2016 </td> </tr> </tbody> </table> </td> </tr> </table></small></p>
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