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| <div class="subTitle">org.apache.gora.query</div> |
| <h2 title="Interface Query" class="title">Interface Query<K,T extends <a href="../../../../org/apache/gora/persistency/Persistent.html" title="interface in org.apache.gora.persistency">Persistent</a>></h2> |
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| <dl> |
| <dt>All Known Subinterfaces:</dt> |
| <dd><a href="../../../../org/apache/gora/query/PartitionQuery.html" title="interface in org.apache.gora.query">PartitionQuery</a><K,T></dd> |
| </dl> |
| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../org/apache/gora/accumulo/query/AccumuloQuery.html" title="class in org.apache.gora.accumulo.query">AccumuloQuery</a>, <a href="../../../../org/apache/gora/avro/query/AvroQuery.html" title="class in org.apache.gora.avro.query">AvroQuery</a>, <a href="../../../../org/apache/gora/cassandra/query/CassandraQuery.html" title="class in org.apache.gora.cassandra.query">CassandraQuery</a>, <a href="../../../../org/apache/gora/query/impl/FileSplitPartitionQuery.html" title="class in org.apache.gora.query.impl">FileSplitPartitionQuery</a>, <a href="../../../../org/apache/gora/hbase/query/HBaseQuery.html" title="class in org.apache.gora.hbase.query">HBaseQuery</a>, <a href="../../../../org/apache/gora/memory/store/MemStore.MemQuery.html" title="class in org.apache.gora.memory.store">MemStore.MemQuery</a>, <a href="../../../../org/apache/gora/mongodb/query/MongoDBQuery.html" title="class in org.apache.gora.mongodb.query">MongoDBQuery</a>, <a href="../../../../org/apache/gora/query/impl/PartitionQueryImpl.html" title="class in org.apache.gora.query.impl">PartitionQueryImpl</a>, <a href="../../../../org/apache/gora/query/ws/impl/PartitionWSQueryImpl.html" title="class in org.apache.gora.query.ws.impl">PartitionWSQueryImpl</a>, <a href="../../../../org/apache/gora/query/impl/QueryBase.html" title="class in org.apache.gora.query.impl">QueryBase</a>, <a href="../../../../org/apache/gora/query/ws/impl/QueryWSBase.html" title="class in org.apache.gora.query.ws.impl">QueryWSBase</a>, <a href="../../../../org/apache/gora/solr/query/SolrQuery.html" title="class in org.apache.gora.solr.query">SolrQuery</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public interface <span class="strong">Query<K,T extends <a href="../../../../org/apache/gora/persistency/Persistent.html" title="interface in org.apache.gora.persistency">Persistent</a>></span></pre> |
| <div class="block">A query to a data store to retrieve objects. Queries are constructed by |
| the DataStore implementation via <a href="../../../../org/apache/gora/store/DataStore.html#newQuery()"><code>DataStore.newQuery()</code></a>.</div> |
| </li> |
| </ul> |
| </div> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| <h3>Method Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <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><a href="../../../../org/apache/gora/query/Result.html" title="interface in org.apache.gora.query">Result</a><<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a>,<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">T</a>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#execute()">execute</a></strong>()</code> |
| <div class="block">Executes the Query on the DataStore and returns the results.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/gora/store/DataStore.html" title="interface in org.apache.gora.store">DataStore</a><<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a>,<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">T</a>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#getDataStore()">getDataStore</a></strong>()</code> |
| <div class="block">Returns the DataStore, that this Query is associated with.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#getEndKey()">getEndKey</a></strong>()</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#getEndTime()">getEndTime</a></strong>()</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><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/gora/query/Query.html#getFields()">getFields</a></strong>()</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/gora/filter/Filter.html" title="interface in org.apache.gora.filter">Filter</a><<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a>,<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">T</a>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#getFilter()">getFilter</a></strong>()</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#getKey()">getKey</a></strong>()</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#getLimit()">getLimit</a></strong>()</code> |
| <div class="block">Returns the maximum number of results</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#getStartKey()">getStartKey</a></strong>()</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#getStartTime()">getStartTime</a></strong>()</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#getTimestamp()">getTimestamp</a></strong>()</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#isLocalFilterEnabled()">isLocalFilterEnabled</a></strong>()</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#setDataStore(org.apache.gora.store.DataStore)">setDataStore</a></strong>(<a href="../../../../org/apache/gora/store/DataStore.html" title="interface in org.apache.gora.store">DataStore</a><<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a>,<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">T</a>> dataStore)</code> |
| <div class="block">Sets the dataStore of this query.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#setEndKey(K)">setEndKey</a></strong>(<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a> endKey)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#setEndTime(long)">setEndTime</a></strong>(long endTime)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#setFields(java.lang.String...)">setFields</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>... fieldNames)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#setFilter(org.apache.gora.filter.Filter)">setFilter</a></strong>(<a href="../../../../org/apache/gora/filter/Filter.html" title="interface in org.apache.gora.filter">Filter</a><<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a>,<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">T</a>> filter)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#setKey(K)">setKey</a></strong>(<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a> key)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#setKeyRange(K, K)">setKeyRange</a></strong>(<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a> startKey, |
| <a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a> endKey)</code> |
| <div class="block">Set the range of keys over which the query will execute.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#setLimit(long)">setLimit</a></strong>(long limit)</code> |
| <div class="block">Sets the maximum number of results to return.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#setLocalFilterEnabled(boolean)">setLocalFilterEnabled</a></strong>(boolean enable)</code> |
| <div class="block">Set whether the local filter is enabled.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#setStartKey(K)">setStartKey</a></strong>(<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a> startKey)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#setStartTime(long)">setStartTime</a></strong>(long startTime)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#setTimeRange(long, long)">setTimeRange</a></strong>(long startTime, |
| long endTime)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/gora/query/Query.html#setTimestamp(long)">setTimestamp</a></strong>(long timestamp)</code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method_detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="setDataStore(org.apache.gora.store.DataStore)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setDataStore</h4> |
| <pre>void setDataStore(<a href="../../../../org/apache/gora/store/DataStore.html" title="interface in org.apache.gora.store">DataStore</a><<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a>,<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">T</a>> dataStore)</pre> |
| <div class="block">Sets the dataStore of this query. Under normal operation, this call |
| is not necessary and it is potentially dangerous. So use this |
| method only if you know what you are doing.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>dataStore</code> - the dataStore of the query</dd></dl> |
| </li> |
| </ul> |
| <a name="getDataStore()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getDataStore</h4> |
| <pre><a href="../../../../org/apache/gora/store/DataStore.html" title="interface in org.apache.gora.store">DataStore</a><<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a>,<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">T</a>> getDataStore()</pre> |
| <div class="block">Returns the DataStore, that this Query is associated with.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the DataStore of the Query</dd></dl> |
| </li> |
| </ul> |
| <a name="execute()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>execute</h4> |
| <pre><a href="../../../../org/apache/gora/query/Result.html" title="interface in org.apache.gora.query">Result</a><<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a>,<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">T</a>> execute()</pre> |
| <div class="block">Executes the Query on the DataStore and returns the results.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the <a href="../../../../org/apache/gora/query/Result.html" title="interface in org.apache.gora.query"><code>Result</code></a> for the query.</dd></dl> |
| </li> |
| </ul> |
| <a name="setFields(java.lang.String...)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setFields</h4> |
| <pre>void setFields(<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>... fieldNames)</pre> |
| </li> |
| </ul> |
| <a name="getFields()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getFields</h4> |
| <pre><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>[] getFields()</pre> |
| </li> |
| </ul> |
| <a name="setFilter(org.apache.gora.filter.Filter)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setFilter</h4> |
| <pre>void setFilter(<a href="../../../../org/apache/gora/filter/Filter.html" title="interface in org.apache.gora.filter">Filter</a><<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a>,<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">T</a>> filter)</pre> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>Set</code> - a filter on this query.</dd></dl> |
| </li> |
| </ul> |
| <a name="getFilter()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getFilter</h4> |
| <pre><a href="../../../../org/apache/gora/filter/Filter.html" title="interface in org.apache.gora.filter">Filter</a><<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a>,<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">T</a>> getFilter()</pre> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>The filter on this query, or <code>null</code> if none.</dd></dl> |
| </li> |
| </ul> |
| <a name="setLocalFilterEnabled(boolean)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setLocalFilterEnabled</h4> |
| <pre>void setLocalFilterEnabled(boolean enable)</pre> |
| <div class="block">Set whether the local filter is enabled. This is usually called by |
| data store implementations that install the filter remotely |
| (for efficiency reasons) and therefore disable the local filter.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>enable</code> - </dd></dl> |
| </li> |
| </ul> |
| <a name="isLocalFilterEnabled()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isLocalFilterEnabled</h4> |
| <pre>boolean isLocalFilterEnabled()</pre> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Whether the local filter is enabled. |
| See <a href="../../../../org/apache/gora/query/Query.html#setLocalFilterEnabled(boolean)"><code>setLocalFilterEnabled(boolean)</code></a>.</dd></dl> |
| </li> |
| </ul> |
| <a name="setKey(java.lang.Object)"> |
| <!-- --> |
| </a><a name="setKey(K)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setKey</h4> |
| <pre>void setKey(<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a> key)</pre> |
| </li> |
| </ul> |
| <a name="setStartKey(java.lang.Object)"> |
| <!-- --> |
| </a><a name="setStartKey(K)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setStartKey</h4> |
| <pre>void setStartKey(<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a> startKey)</pre> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>startKey</code> - an inclusive start key</dd></dl> |
| </li> |
| </ul> |
| <a name="setEndKey(java.lang.Object)"> |
| <!-- --> |
| </a><a name="setEndKey(K)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setEndKey</h4> |
| <pre>void setEndKey(<a href="../../../../org/apache/gora/query/Query.html" title="type parameter in Query">K</a> endKey)</pre> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>endKey</code> - an inclusive end key</dd></dl> |
| </li> |
| </ul> |
| <a name="setKeyRange(java.lang.Object,java.lang.Object)"> |
| <!-- --> |
| </a><a name="setKeyRange(K, K)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>setKeyRange</h4> |
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| <div class="block">Set the range of keys over which the query will execute.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>startKey</code> - an inclusive start key</dd><dd><code>endKey</code> - an inclusive end key</dd></dl> |
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| <div class="block">Sets the maximum number of results to return.</div> |
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| <pre>long getLimit()</pre> |
| <div class="block">Returns the maximum number of results</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the limit if it is set, otherwise a negative number</dd></dl> |
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