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| <h2 title="Interface Query" class="title">Interface Query</h2> |
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| <dt>All Known Subinterfaces:</dt> |
| <dd><code><a href="ParameterizedQuery.html" title="interface in org.apache.cayenne.query">ParameterizedQuery</a></code>, <code><a href="Select.html" title="interface in org.apache.cayenne.query">Select</a><T></code></dd> |
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| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="AbstractMappedQuery.html" title="class in org.apache.cayenne.query">AbstractMappedQuery</a></code>, <code><a href="AbstractQuery.html" title="class in org.apache.cayenne.query">AbstractQuery</a></code>, <code><a href="BatchQuery.html" title="class in org.apache.cayenne.query">BatchQuery</a></code>, <code><a href="CacheableQuery.html" title="class in org.apache.cayenne.query">CacheableQuery</a></code>, <code><a href="ColumnSelect.html" title="class in org.apache.cayenne.query">ColumnSelect</a></code>, <code><a href="DeleteBatchQuery.html" title="class in org.apache.cayenne.query">DeleteBatchQuery</a></code>, <code><a href="EJBQLQuery.html" title="class in org.apache.cayenne.query">EJBQLQuery</a></code>, <code><a href="FluentSelect.html" title="class in org.apache.cayenne.query">FluentSelect</a></code>, <code><a href="IndirectQuery.html" title="class in org.apache.cayenne.query">IndirectQuery</a></code>, <code><a href="InsertBatchQuery.html" title="class in org.apache.cayenne.query">InsertBatchQuery</a></code>, <code><a href="MappedExec.html" title="class in org.apache.cayenne.query">MappedExec</a></code>, <code><a href="MappedSelect.html" title="class in org.apache.cayenne.query">MappedSelect</a></code>, <code><a href="ObjectIdQuery.html" title="class in org.apache.cayenne.query">ObjectIdQuery</a></code>, <code><a href="ObjectSelect.html" title="class in org.apache.cayenne.query">ObjectSelect</a></code>, <code><a href="PrefetchSelectQuery.html" title="class in org.apache.cayenne.query">PrefetchSelectQuery</a></code>, <code><a href="ProcedureCall.html" title="class in org.apache.cayenne.query">ProcedureCall</a></code>, <code><a href="ProcedureQuery.html" title="class in org.apache.cayenne.query">ProcedureQuery</a></code>, <code><a href="QueryChain.html" title="class in org.apache.cayenne.query">QueryChain</a></code>, <code><a href="RefreshQuery.html" title="class in org.apache.cayenne.query">RefreshQuery</a></code>, <code><a href="RelationshipQuery.html" title="class in org.apache.cayenne.query">RelationshipQuery</a></code>, <code><a href="SelectById.html" title="class in org.apache.cayenne.query">SelectById</a></code>, <code><a href="SelectQuery.html" title="class in org.apache.cayenne.query">SelectQuery</a></code>, <code><a href="SQLExec.html" title="class in org.apache.cayenne.query">SQLExec</a></code>, <code><a href="SQLSelect.html" title="class in org.apache.cayenne.query">SQLSelect</a></code>, <code><a href="SQLTemplate.html" title="class in org.apache.cayenne.query">SQLTemplate</a></code>, <code><a href="UpdateBatchQuery.html" title="class in org.apache.cayenne.query">UpdateBatchQuery</a></code></dd> |
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| <pre>public interface <span class="typeNameLabel">Query</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io" class="externalLink">Serializable</a></pre> |
| <div class="block">Defines minimal API of a query descriptor that is executable via Cayenne.</div> |
| </li> |
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| <h3>Method Summary</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="SQLAction.html" title="interface in org.apache.cayenne.query">SQLAction</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createSQLAction(org.apache.cayenne.query.SQLActionVisitor)">createSQLAction</a></span>​(<a href="SQLActionVisitor.html" title="interface in org.apache.cayenne.query">SQLActionVisitor</a> visitor)</code></th> |
| <td class="colLast"> |
| <div class="block">A callback method invoked by Cayenne during the final execution phase of the query |
| run.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMetaData(org.apache.cayenne.map.EntityResolver)">getMetaData</a></span>​(<a href="../map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</a> resolver)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns query runtime parameters.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#route(org.apache.cayenne.query.QueryRouter,org.apache.cayenne.map.EntityResolver,org.apache.cayenne.query.Query)">route</a></span>​(<a href="QueryRouter.html" title="interface in org.apache.cayenne.query">QueryRouter</a> router, |
| <a href="../map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</a> resolver, |
| <a href="Query.html" title="interface in org.apache.cayenne.query">Query</a> substitutedQuery)</code></th> |
| <td class="colLast"> |
| <div class="block">A callback method invoked by Cayenne during the routing phase of the query |
| execution.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
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| <h3>Method Detail</h3> |
| <a id="getMetaData(org.apache.cayenne.map.EntityResolver)"> |
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| <li class="blockList"> |
| <h4>getMetaData</h4> |
| <pre class="methodSignature"><a href="QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</a> getMetaData​(<a href="../map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</a> resolver)</pre> |
| <div class="block">Returns query runtime parameters. The method is called at various stages of the |
| execution by Cayenne access stack to retrieve query parameters. EntityResolver |
| instance is passed to this method, meaning that the query doesn't need to store |
| direct references to Cayenne mapping objects and can resolve them at runtime.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.2</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="route(org.apache.cayenne.query.QueryRouter,org.apache.cayenne.map.EntityResolver,org.apache.cayenne.query.Query)"> |
| <!-- --> |
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| <h4>route</h4> |
| <pre class="methodSignature">void route​(<a href="QueryRouter.html" title="interface in org.apache.cayenne.query">QueryRouter</a> router, |
| <a href="../map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</a> resolver, |
| <a href="Query.html" title="interface in org.apache.cayenne.query">Query</a> substitutedQuery)</pre> |
| <div class="block">A callback method invoked by Cayenne during the routing phase of the query |
| execution. Mapping of DataNodes is provided by QueryRouter. Query should use a |
| <a href="QueryRouter.html#route(org.apache.cayenne.access.QueryEngine,org.apache.cayenne.query.Query,org.apache.cayenne.query.Query)"><code>QueryRouter.route(QueryEngine, Query, Query)</code></a> callback method to route |
| itself. Query can create one or more substitute queries or even provide its own |
| QueryEngine to execute itself.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.2</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="createSQLAction(org.apache.cayenne.query.SQLActionVisitor)"> |
| <!-- --> |
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| <h4>createSQLAction</h4> |
| <pre class="methodSignature"><a href="SQLAction.html" title="interface in org.apache.cayenne.query">SQLAction</a> createSQLAction​(<a href="SQLActionVisitor.html" title="interface in org.apache.cayenne.query">SQLActionVisitor</a> visitor)</pre> |
| <div class="block">A callback method invoked by Cayenne during the final execution phase of the query |
| run. A concrete query implementation is given a chance to decide how it should be |
| handled. Implementors can pick an appropriate method of the SQLActionVisitor to |
| handle itself, create a custom SQLAction of its own, or substitute itself with |
| another query that should be used for SQLAction construction.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.2</dd> |
| </dl> |
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