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| <div class="subTitle">org.apache.openjpa.jdbc.kernel</div> |
| <h2 title="Class PreparedQueryCacheImpl" class="title">Class PreparedQueryCacheImpl</h2> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a>, <a href="../../../../../org/apache/openjpa/lib/conf/Configurable.html" title="interface in org.apache.openjpa.lib.conf">Configurable</a></dd> |
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| <pre>public class <span class="strong">PreparedQueryCacheImpl</span> |
| extends <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></pre> |
| <div class="block">An implementation of the cache of <a href="../../../../../org/apache/openjpa/kernel/PreparedQuery.html" title="interface in org.apache.openjpa.kernel"><code>prepared queries</code></a>.</div> |
| <dl><dt><span class="strong">Since:</span></dt> |
| <dd>2.0.0</dd> |
| <dt><span class="strong">Author:</span></dt> |
| <dd>Pinaki Poddar</dd></dl> |
| </li> |
| </ul> |
| </div> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.StrongExclusion.html" title="class in org.apache.openjpa.jdbc.kernel">PreparedQueryCacheImpl.StrongExclusion</a></strong></code> |
| <div class="block">Strong exclusion.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.WeakExclusion.html" title="class in org.apache.openjpa.jdbc.kernel">PreparedQueryCacheImpl.WeakExclusion</a></strong></code> |
| <div class="block">Weak exclusion.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="nested_classes_inherited_from_class_org.apache.openjpa.kernel.PreparedQueryCache"> |
| <!-- --> |
| </a> |
| <h3>Nested classes/interfaces inherited from interface org.apache.openjpa.kernel.<a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></h3> |
| <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.Exclusion.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache.Exclusion</a></code></li> |
| </ul> |
| </li> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#PreparedQueryCacheImpl()">PreparedQueryCacheImpl</a></strong>()</code> </td> |
| </tr> |
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| <caption><span>Methods</span><span class="tabEnd"> </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/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#addExclusionPattern(java.lang.String)">addExclusionPattern</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> pattern)</code> |
| <div class="block">Adds a pattern for exclusion.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#cache(org.apache.openjpa.kernel.PreparedQuery)">cache</a></strong>(<a href="../../../../../org/apache/openjpa/kernel/PreparedQuery.html" title="interface in org.apache.openjpa.kernel">PreparedQuery</a> q)</code> |
| <div class="block">Cache the given query keyed by its identifier.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#clear()">clear</a></strong>()</code> |
| <div class="block">Clears all cached queries.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#endConfiguration()">endConfiguration</a></strong>()</code> |
| <div class="block">Invoked upon completion of bean property configuration for this object.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQuery.html" title="interface in org.apache.openjpa.kernel">PreparedQuery</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#get(java.lang.String)">get</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> id)</code> |
| <div class="block">Get the PreparedQuery with the given identifier if it exists. null |
| otherwise.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#getEnableStatistics()">getEnableStatistics</a></strong>()</code> |
| <div class="block">Affirm if statistics is gathered.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.Exclusion.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache.Exclusion</a>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#getExcludes()">getExcludes</a></strong>()</code> |
| <div class="block">Gets the exclusion patterns.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#getMapView()">getMapView</a></strong>()</code> |
| <div class="block">Get a map view of the cached queries indexed by identifier.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/kernel/QueryStatistics.html" title="interface in org.apache.openjpa.kernel">QueryStatistics</a><<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#getStatistics()">getStatistics</a></strong>()</code> |
| <div class="block">Gets the simple statistics for executed queries.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQuery.html" title="interface in org.apache.openjpa.kernel">PreparedQuery</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#initialize(java.lang.String,%20java.lang.Object)">initialize</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> result)</code> |
| <div class="block">Initialize the cached Prepared Query registered with the given |
| key earlier by the given execution result.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#invalidate(java.lang.String)">invalidate</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> id)</code> |
| <div class="block">Remove the PreparedQuery with the given identifier from this cache.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#isCachable(java.lang.String)">isCachable</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> id)</code> |
| <div class="block">Affirms if a PreparedQuery can be cached against the given key.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.Exclusion.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache.Exclusion</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#isExcluded(java.lang.String)">isExcluded</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> id)</code> |
| <div class="block">Returns the exclusion status of if the given query key.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#lock(boolean)">lock</a></strong>(boolean readOnly)</code> |
| <div class="block">Note: Care needs to be taken so that a read lock is <b>never</b> held while requesting a write lock.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQuery.html" title="interface in org.apache.openjpa.kernel">PreparedQuery</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#markUncachable(java.lang.String,%20org.apache.openjpa.kernel.PreparedQueryCache.Exclusion)">markUncachable</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> id, |
| <a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.Exclusion.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache.Exclusion</a> exclusion)</code> |
| <div class="block">Marks the given key as not amenable to caching.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#register(java.lang.String,%20org.apache.openjpa.kernel.Query,%20org.apache.openjpa.kernel.FetchConfiguration)">register</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> id, |
| <a href="../../../../../org/apache/openjpa/kernel/Query.html" title="interface in org.apache.openjpa.kernel">Query</a> query, |
| <a href="../../../../../org/apache/openjpa/kernel/FetchConfiguration.html" title="interface in org.apache.openjpa.kernel">FetchConfiguration</a> hints)</code> |
| <div class="block">Register the given query for caching against the given key if it has not |
| already been cached.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#removeExclusionPattern(java.lang.String)">removeExclusionPattern</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> pattern)</code> |
| <div class="block">Removes a pattern for exclusion.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#setConfiguration(org.apache.openjpa.lib.conf.Configuration)">setConfiguration</a></strong>(<a href="../../../../../org/apache/openjpa/lib/conf/Configuration.html" title="interface in org.apache.openjpa.lib.conf">Configuration</a> conf)</code> |
| <div class="block">Invoked prior to setting bean properties.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#setEnableStatistics(boolean)">setEnableStatistics</a></strong>(boolean enable)</code> |
| <div class="block">Enable/disable gathering of statistics.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#setExcludes(java.lang.String)">setExcludes</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> excludes)</code> |
| <div class="block">Sets one or more exclusion regular expression patterns separated by |
| semicolon.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#startConfiguration()">startConfiguration</a></strong>()</code> |
| <div class="block">Invoked before bean property configuration is begun on this object.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PreparedQueryCacheImpl.html#unlock(boolean)">unlock</a></strong>(boolean readOnly)</code> </td> |
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| <code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://download.oracle.com/javase/6/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://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/6/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>PreparedQueryCacheImpl</h4> |
| <pre>public PreparedQueryCacheImpl()</pre> |
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| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a name="register(java.lang.String, org.apache.openjpa.kernel.Query, org.apache.openjpa.kernel.FetchConfiguration)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>register</h4> |
| <pre>public <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a> register(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> id, |
| <a href="../../../../../org/apache/openjpa/kernel/Query.html" title="interface in org.apache.openjpa.kernel">Query</a> query, |
| <a href="../../../../../org/apache/openjpa/kernel/FetchConfiguration.html" title="interface in org.apache.openjpa.kernel">FetchConfiguration</a> hints)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#register(java.lang.String,%20org.apache.openjpa.kernel.Query,%20org.apache.openjpa.kernel.FetchConfiguration)">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Register the given query for caching against the given key if it has not |
| already been cached. If the query can not be cached, then mark it as such |
| to avoid computing for the same key again.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#register(java.lang.String,%20org.apache.openjpa.kernel.Query,%20org.apache.openjpa.kernel.FetchConfiguration)">register</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| <dt><span class="strong">Returns:</span></dt><dd>TRUE the query is registered in the cache by this call |
| null if the query is already registered in the cache |
| FALSE if can not be registered in the cache, either because |
| it is known not to be cacheable from a previous attempt or |
| a hint is given to ignore the cached version.</dd></dl> |
| </li> |
| </ul> |
| <a name="getMapView()"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getMapView</h4> |
| <pre>public <a href="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> getMapView()</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#getMapView()">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Get a map view of the cached queries indexed by identifier.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#getMapView()">getMapView</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="cache(org.apache.openjpa.kernel.PreparedQuery)"> |
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| <h4>cache</h4> |
| <pre>public boolean cache(<a href="../../../../../org/apache/openjpa/kernel/PreparedQuery.html" title="interface in org.apache.openjpa.kernel">PreparedQuery</a> q)</pre> |
| <div class="block">Cache the given query keyed by its identifier. Does not cache if the |
| identifier matches any exclusion pattern or has been marked as |
| non-cachable. Also register the identifier as not cachable against the |
| matched exclusion pattern.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#cache(org.apache.openjpa.kernel.PreparedQuery)">cache</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| <dt><span class="strong">Returns:</span></dt><dd>true if the given query is cached. false if it can not be cached |
| due to exclusion.</dd><dt><span class="strong">See Also:</span></dt><dd><code>#markUncachable(String)</code>, |
| <a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#setExcludes(java.lang.String)"><code>PreparedQueryCache.setExcludes(String)</code></a>, |
| <a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#addExclusionPattern(java.lang.String)"><code>PreparedQueryCache.addExclusionPattern(String)</code></a></dd></dl> |
| </li> |
| </ul> |
| <a name="initialize(java.lang.String, java.lang.Object)"> |
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| <h4>initialize</h4> |
| <pre>public <a href="../../../../../org/apache/openjpa/kernel/PreparedQuery.html" title="interface in org.apache.openjpa.kernel">PreparedQuery</a> initialize(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> result)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#initialize(java.lang.String,%20java.lang.Object)">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Initialize the cached Prepared Query registered with the given |
| key earlier by the given execution result. If it is not possible to |
| initialize the Prepared Query from the given execution result, then |
| the corresponding key will be marked as invalid for caching.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#initialize(java.lang.String,%20java.lang.Object)">initialize</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>key</code> - the key used during registration</dd><dd><code>result</code> - an opaque instance carrying the execution result |
| of the original query.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the initialized Prepared Query. If it is not possible to |
| initialize the cached, possibly hollow Prepared Query from the given |
| result, return null.</dd></dl> |
| </li> |
| </ul> |
| <a name="invalidate(java.lang.String)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>invalidate</h4> |
| <pre>public boolean invalidate(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> id)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#invalidate(java.lang.String)">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Remove the PreparedQuery with the given identifier from this cache.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#invalidate(java.lang.String)">invalidate</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="get(java.lang.String)"> |
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| <h4>get</h4> |
| <pre>public <a href="../../../../../org/apache/openjpa/kernel/PreparedQuery.html" title="interface in org.apache.openjpa.kernel">PreparedQuery</a> get(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> id)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#get(java.lang.String)">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Get the PreparedQuery with the given identifier if it exists. null |
| otherwise.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#get(java.lang.String)">get</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isCachable(java.lang.String)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>isCachable</h4> |
| <pre>public <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a> isCachable(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> id)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#isCachable(java.lang.String)">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Affirms if a PreparedQuery can be cached against the given key.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#isCachable(java.lang.String)">isCachable</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Boolean.FALSE if the given key is explicitly marked before as not |
| be cached or matches any of the exclusion patterns. |
| Boolean.TRUE if the given key currently exists in the cache. |
| Otherwise, return null implying this receiver can not determine whether |
| this key can be cached on not.</dd></dl> |
| </li> |
| </ul> |
| <a name="markUncachable(java.lang.String, org.apache.openjpa.kernel.PreparedQueryCache.Exclusion)"> |
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| </a> |
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| <h4>markUncachable</h4> |
| <pre>public <a href="../../../../../org/apache/openjpa/kernel/PreparedQuery.html" title="interface in org.apache.openjpa.kernel">PreparedQuery</a> markUncachable(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> id, |
| <a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.Exclusion.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache.Exclusion</a> exclusion)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#markUncachable(java.lang.String,%20org.apache.openjpa.kernel.PreparedQueryCache.Exclusion)">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Marks the given key as not amenable to caching. |
| Explicit marking helps to avoid repeated computational cost of |
| determining whether a query can be cached or not.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#markUncachable(java.lang.String,%20org.apache.openjpa.kernel.PreparedQueryCache.Exclusion)">markUncachable</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>id</code> - is the key to be excluded</dd><dd><code>exclusion</code> - directs whether exclusion is irreversible or not.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>The value for the given key if it had been cached before. null |
| otherwise.</dd></dl> |
| </li> |
| </ul> |
| <a name="isExcluded(java.lang.String)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isExcluded</h4> |
| <pre>public <a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.Exclusion.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache.Exclusion</a> isExcluded(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> id)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#isExcluded(java.lang.String)">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Returns the exclusion status of if the given query key.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#isExcluded(java.lang.String)">isExcluded</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| <dt><span class="strong">Returns:</span></dt><dd>null implies that the key is not excluded.</dd></dl> |
| </li> |
| </ul> |
| <a name="setExcludes(java.lang.String)"> |
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| </a> |
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| <h4>setExcludes</h4> |
| <pre>public void setExcludes(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> excludes)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#setExcludes(java.lang.String)">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Sets one or more exclusion regular expression patterns separated by |
| semicolon. Any existing cache entry whose key matches any of the given |
| pattern will be marked non-cachable in a reversible manner.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#setExcludes(java.lang.String)">setExcludes</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getExcludes()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getExcludes</h4> |
| <pre>public <a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.Exclusion.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache.Exclusion</a>> getExcludes()</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#getExcludes()">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Gets the exclusion patterns.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#getExcludes()">getExcludes</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addExclusionPattern(java.lang.String)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addExclusionPattern</h4> |
| <pre>public void addExclusionPattern(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> pattern)</pre> |
| <div class="block">Adds a pattern for exclusion. Any query cached currently whose identifier |
| matches the given pattern will be marked invalidated as a side-effect.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#addExclusionPattern(java.lang.String)">addExclusionPattern</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="removeExclusionPattern(java.lang.String)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>removeExclusionPattern</h4> |
| <pre>public void removeExclusionPattern(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> pattern)</pre> |
| <div class="block">Removes a pattern for exclusion. Any query identifier marked as not |
| cachable due to the given pattern will now be removed from the list of |
| uncachables as a side-effect.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#removeExclusionPattern(java.lang.String)">removeExclusionPattern</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| <dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#markUncachable(java.lang.String,%20org.apache.openjpa.kernel.PreparedQueryCache.Exclusion)"><code>PreparedQueryCache.markUncachable(String, Exclusion)</code></a></dd></dl> |
| </li> |
| </ul> |
| <a name="getStatistics()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getStatistics</h4> |
| <pre>public <a href="../../../../../org/apache/openjpa/kernel/QueryStatistics.html" title="interface in org.apache.openjpa.kernel">QueryStatistics</a><<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> getStatistics()</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#getStatistics()">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Gets the simple statistics for executed queries. |
| If the statistics gathering is disabled, an empty statistics is returned.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#getStatistics()">getStatistics</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="lock(boolean)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>lock</h4> |
| <pre>protected void lock(boolean readOnly)</pre> |
| <div class="block">Note: Care needs to be taken so that a read lock is <b>never</b> held while requesting a write lock. This will |
| result in a deadlock.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>readOnly</code> - - If true, a read lock will be acquired. Else a write lock will be acquired.</dd></dl> |
| </li> |
| </ul> |
| <a name="unlock(boolean)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>unlock</h4> |
| <pre>protected void unlock(boolean readOnly)</pre> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>readOnly</code> - - If true, the read lock will be released. Else a write lock will be released.</dd></dl> |
| </li> |
| </ul> |
| <a name="clear()"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>clear</h4> |
| <pre>public void clear()</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#clear()">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Clears all cached queries.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#clear()">clear</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| </dl> |
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| <a name="setEnableStatistics(boolean)"> |
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| <h4>setEnableStatistics</h4> |
| <pre>public void setEnableStatistics(boolean enable)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#setEnableStatistics(boolean)">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Enable/disable gathering of statistics.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#setEnableStatistics(boolean)">setEnableStatistics</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getEnableStatistics()"> |
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| <ul class="blockList"> |
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| <h4>getEnableStatistics</h4> |
| <pre>public boolean getEnableStatistics()</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#getEnableStatistics()">PreparedQueryCache</a></code></strong></div> |
| <div class="block">Affirm if statistics is gathered.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html#getEnableStatistics()">getEnableStatistics</a></code> in interface <code><a href="../../../../../org/apache/openjpa/kernel/PreparedQueryCache.html" title="interface in org.apache.openjpa.kernel">PreparedQueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setConfiguration(org.apache.openjpa.lib.conf.Configuration)"> |
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| <h4>setConfiguration</h4> |
| <pre>public void setConfiguration(<a href="../../../../../org/apache/openjpa/lib/conf/Configuration.html" title="interface in org.apache.openjpa.lib.conf">Configuration</a> conf)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/openjpa/lib/conf/Configurable.html#setConfiguration(org.apache.openjpa.lib.conf.Configuration)">Configurable</a></code></strong></div> |
| <div class="block">Invoked prior to setting bean properties.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/openjpa/lib/conf/Configurable.html#setConfiguration(org.apache.openjpa.lib.conf.Configuration)">setConfiguration</a></code> in interface <code><a href="../../../../../org/apache/openjpa/lib/conf/Configurable.html" title="interface in org.apache.openjpa.lib.conf">Configurable</a></code></dd> |
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| <a name="startConfiguration()"> |
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| <pre>public void startConfiguration()</pre> |
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| <pre>public void endConfiguration()</pre> |
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