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| <li>Summary: </li> |
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| <div class="subTitle">org.apache.cayenne.cache</div> |
| <h2 title="Class NestedQueryCache" class="title">Class NestedQueryCache</h2> |
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| <ul class="inheritance"> |
| <li><a href="http://docs.oracle.com/javase/1.5.0/docs/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>org.apache.cayenne.cache.NestedQueryCache</li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="strong">NestedQueryCache</span> |
| extends <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a></pre> |
| <div class="block">A <a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache"><code>QueryCache</code></a> wrapper that introduces a key namespace on top of a delegate |
| shared cache. This way multiple cache users can share the same underlying cache without |
| a possibility of key conflicts, yet refresh the cache groups in a coordinated fashion.</div> |
| <dl><dt><span class="strong">Since:</span></dt> |
| <dd>3.0</dd></dl> |
| </li> |
| </ul> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/cayenne/cache/NestedQueryCache.html#delegate">delegate</a></strong></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/1.5.0/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/cayenne/cache/NestedQueryCache.html#namespace">namespace</a></strong></code> </td> |
| </tr> |
| </table> |
| </li> |
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| <h3>Constructor Summary</h3> |
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| <caption><span>Constructors</span><span class="tabEnd"> </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/cayenne/cache/NestedQueryCache.html#NestedQueryCache(org.apache.cayenne.cache.QueryCache)">NestedQueryCache</a></strong>(<a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a> delegate)</code> </td> |
| </tr> |
| </table> |
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| <h3>Method Summary</h3> |
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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/cayenne/cache/NestedQueryCache.html#clear()">clear</a></strong>()</code> |
| <div class="block">Clears the underlying shared cache.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/cayenne/cache/NestedQueryCache.html#get(org.apache.cayenne.query.QueryMetadata)">get</a></strong>(<a href="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</a> metadata)</code> |
| <div class="block">Returns a cached query result for the given QueryMetadata or null if the result is |
| not cached or is expired.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/cayenne/cache/NestedQueryCache.html#get(org.apache.cayenne.query.QueryMetadata,%20org.apache.cayenne.cache.QueryCacheEntryFactory)">get</a></strong>(<a href="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</a> metadata, |
| <a href="../../../../org/apache/cayenne/cache/QueryCacheEntryFactory.html" title="interface in org.apache.cayenne.cache">QueryCacheEntryFactory</a> factory)</code> |
| <div class="block">Returns a cached query result for the given QueryMetadata.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/cayenne/cache/NestedQueryCache.html#getDelegate()">getDelegate</a></strong>()</code> |
| <div class="block">Returns the actual implementation of the query cache that is wrapped by this |
| NestedQueryCache.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/cayenne/cache/NestedQueryCache.html#put(org.apache.cayenne.query.QueryMetadata,%20java.util.List)">put</a></strong>(<a href="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</a> metadata, |
| <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a> results)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/cayenne/cache/NestedQueryCache.html#remove(java.lang.String)">remove</a></strong>(<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key)</code> |
| <div class="block">Removes an entry for key in the current namespace.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/cayenne/cache/NestedQueryCache.html#removeGroup(java.lang.String)">removeGroup</a></strong>(<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> groupKey)</code> |
| <div class="block">Invalidates a shared cache group.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/cayenne/cache/NestedQueryCache.html#size()">size</a></strong>()</code> |
| <div class="block">Returns a shared cache size.</div> |
| </td> |
| </tr> |
| </table> |
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| <h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| </a> |
| <h3>Field Detail</h3> |
| <a name="delegate"> |
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| </a> |
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| <h4>delegate</h4> |
| <pre>protected <a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a> delegate</pre> |
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| <h4>namespace</h4> |
| <pre>protected <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> namespace</pre> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="NestedQueryCache(org.apache.cayenne.cache.QueryCache)"> |
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| <h4>NestedQueryCache</h4> |
| <pre>public NestedQueryCache(<a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a> delegate)</pre> |
| </li> |
| </ul> |
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| </a> |
| <h3>Method Detail</h3> |
| <a name="getDelegate()"> |
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| <h4>getDelegate</h4> |
| <pre>public <a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a> getDelegate()</pre> |
| <div class="block">Returns the actual implementation of the query cache that is wrapped by this |
| NestedQueryCache.</div> |
| </li> |
| </ul> |
| <a name="clear()"> |
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| <h4>clear</h4> |
| <pre>public void clear()</pre> |
| <div class="block">Clears the underlying shared cache.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/cache/QueryCache.html#clear()">clear</a></code> in interface <code><a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="get(org.apache.cayenne.query.QueryMetadata, org.apache.cayenne.cache.QueryCacheEntryFactory)"> |
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| <h4>get</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a> get(<a href="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</a> metadata, |
| <a href="../../../../org/apache/cayenne/cache/QueryCacheEntryFactory.html" title="interface in org.apache.cayenne.cache">QueryCacheEntryFactory</a> factory)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cayenne/cache/QueryCache.html#get(org.apache.cayenne.query.QueryMetadata,%20org.apache.cayenne.cache.QueryCacheEntryFactory)">QueryCache</a></code></strong></div> |
| <div class="block">Returns a cached query result for the given QueryMetadata. If the result is not |
| cached or is expired, cache will use provided factory to rebuild the value and |
| store it in the cache. A corollary is that this method never returns null. |
| <p/> |
| Compared to <a href="../../../../org/apache/cayenne/cache/QueryCache.html#get(org.apache.cayenne.query.QueryMetadata)"><code>QueryCache.get(QueryMetadata)</code></a>, this method allows the cache to do |
| appropriate synchronization when refreshing the entry, preventing multiple threads |
| from running the same query when a missing entry is requested by multiple threads |
| simultaneously.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/cache/QueryCache.html#get(org.apache.cayenne.query.QueryMetadata,%20org.apache.cayenne.cache.QueryCacheEntryFactory)">get</a></code> in interface <code><a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="get(org.apache.cayenne.query.QueryMetadata)"> |
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| </a> |
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| <h4>get</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a> get(<a href="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</a> metadata)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cayenne/cache/QueryCache.html#get(org.apache.cayenne.query.QueryMetadata)">QueryCache</a></code></strong></div> |
| <div class="block">Returns a cached query result for the given QueryMetadata or null if the result is |
| not cached or is expired.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/cache/QueryCache.html#get(org.apache.cayenne.query.QueryMetadata)">get</a></code> in interface <code><a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="put(org.apache.cayenne.query.QueryMetadata, java.util.List)"> |
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| </a> |
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| <h4>put</h4> |
| <pre>public void put(<a href="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</a> metadata, |
| <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a> results)</pre> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/cache/QueryCache.html#put(org.apache.cayenne.query.QueryMetadata,%20java.util.List)">put</a></code> in interface <code><a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="remove(java.lang.String)"> |
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| </a> |
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| <h4>remove</h4> |
| <pre>public void remove(<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key)</pre> |
| <div class="block">Removes an entry for key in the current namespace.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/cache/QueryCache.html#remove(java.lang.String)">remove</a></code> in interface <code><a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="removeGroup(java.lang.String)"> |
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| <h4>removeGroup</h4> |
| <pre>public void removeGroup(<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> groupKey)</pre> |
| <div class="block">Invalidates a shared cache group.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/cache/QueryCache.html#removeGroup(java.lang.String)">removeGroup</a></code> in interface <code><a href="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="size()"> |
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| <h4>size</h4> |
| <pre>public int size()</pre> |
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