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| <div class="subTitle">org.apache.drill.exec.store.pojo</div> |
| <h2 title="Class PojoRecordReader" class="title">Class PojoRecordReader<T></h2> |
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| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/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><a href="../../../../../../org/apache/drill/exec/store/AbstractRecordReader.html" title="class in org.apache.drill.exec.store">org.apache.drill.exec.store.AbstractRecordReader</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html" title="class in org.apache.drill.exec.store.pojo">org.apache.drill.exec.store.pojo.AbstractPojoRecordReader</a><T></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.drill.exec.store.pojo.PojoRecordReader<T></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
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| </ul> |
| <div class="description"> |
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| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - pojo class type</dd> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><T>, <a href="../../../../../../org/apache/drill/exec/store/RecordReader.html" title="interface in org.apache.drill.exec.store">RecordReader</a></dd> |
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| <br> |
| <pre>public class <span class="typeNameLabel">PojoRecordReader<T></span> |
| extends <a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html" title="class in org.apache.drill.exec.store.pojo">AbstractPojoRecordReader</a><T></pre> |
| <div class="block">Reads values from the given list of pojo instances. |
| Fields writers are determined based on pojo field class types.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <h3>Field Summary</h3> |
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| <li class="blockList"><a name="fields.inherited.from.class.org.apache.drill.exec.store.pojo.AbstractPojoRecordReader"> |
| <!-- --> |
| </a> |
| <h3>Fields inherited from class org.apache.drill.exec.store.pojo.<a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html" title="class in org.apache.drill.exec.store.pojo">AbstractPojoRecordReader</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html#DEFAULT_RECORDS_PER_BATCH">DEFAULT_RECORDS_PER_BATCH</a>, <a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html#records">records</a>, <a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html#writers">writers</a></code></li> |
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| <h3>Fields inherited from class org.apache.drill.exec.store.<a href="../../../../../../org/apache/drill/exec/store/AbstractRecordReader.html" title="class in org.apache.drill.exec.store">AbstractRecordReader</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/store/AbstractRecordReader.html#DEFAULT_TEXT_COLS_TO_READ">DEFAULT_TEXT_COLS_TO_READ</a></code></li> |
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| <h3>Fields inherited from interface org.apache.drill.exec.store.<a href="../../../../../../org/apache/drill/exec/store/RecordReader.html" title="interface in org.apache.drill.exec.store">RecordReader</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/store/RecordReader.html#ALLOCATOR_INITIAL_RESERVATION">ALLOCATOR_INITIAL_RESERVATION</a>, <a href="../../../../../../org/apache/drill/exec/store/RecordReader.html#ALLOCATOR_MAX_RESERVATION">ALLOCATOR_MAX_RESERVATION</a></code></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><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html#PojoRecordReader-java.lang.Class-java.util.List-">PojoRecordReader</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html" title="type parameter in PojoRecordReader">T</a>> pojoClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html" title="type parameter in PojoRecordReader">T</a>> records)</code> </td> |
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| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html#PojoRecordReader-java.lang.Class-java.util.List-int-">PojoRecordReader</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html" title="type parameter in PojoRecordReader">T</a>> pojoClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html" title="type parameter in PojoRecordReader">T</a>> records, |
| int maxRecordToRead)</code> </td> |
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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="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html#getFieldValue-T-int-">getFieldValue</a></span>(<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html" title="type parameter in PojoRecordReader">T</a> row, |
| int fieldPosition)</code> |
| <div class="block">Retrieves field value to be written based for given row and field position.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoWriter.html" title="interface in org.apache.drill.exec.store.pojo">PojoWriter</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html#setupWriters-org.apache.drill.exec.physical.impl.OutputMutator-">setupWriters</a></span>(<a href="../../../../../../org/apache/drill/exec/physical/impl/OutputMutator.html" title="interface in org.apache.drill.exec.physical.impl">OutputMutator</a> output)</code> |
| <div class="block">Creates writers based on pojo field class types.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html#toString--">toString</a></span>()</code> </td> |
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| <h3>Methods inherited from class org.apache.drill.exec.store.pojo.<a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html" title="class in org.apache.drill.exec.store.pojo">AbstractPojoRecordReader</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html#allocate-java.util.Map-">allocate</a>, <a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html#close--">close</a>, <a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html#initWriter-java.lang.Class-java.lang.String-org.apache.drill.exec.physical.impl.OutputMutator-">initWriter</a>, <a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html#iterator--">iterator</a>, <a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html#next--">next</a>, <a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html#setup-org.apache.drill.exec.ops.OperatorContext-org.apache.drill.exec.physical.impl.OutputMutator-">setup</a></code></li> |
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| <h3>Methods inherited from class org.apache.drill.exec.store.<a href="../../../../../../org/apache/drill/exec/store/AbstractRecordReader.html" title="class in org.apache.drill.exec.store">AbstractRecordReader</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/store/AbstractRecordReader.html#getColumns--">getColumns</a>, <a href="../../../../../../org/apache/drill/exec/store/AbstractRecordReader.html#getDefaultColumnsToRead--">getDefaultColumnsToRead</a>, <a href="../../../../../../org/apache/drill/exec/store/AbstractRecordReader.html#hasNext--">hasNext</a>, <a href="../../../../../../org/apache/drill/exec/store/AbstractRecordReader.html#isSkipQuery--">isSkipQuery</a>, <a href="../../../../../../org/apache/drill/exec/store/AbstractRecordReader.html#isStarQuery--">isStarQuery</a>, <a href="../../../../../../org/apache/drill/exec/store/AbstractRecordReader.html#setColumns-java.util.Collection-">setColumns</a>, <a href="../../../../../../org/apache/drill/exec/store/AbstractRecordReader.html#transformColumns-java.util.Collection-">transformColumns</a></code></li> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#forEach-java.util.function.Consumer-" title="class or interface in java.lang">forEach</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#spliterator--" title="class or interface in java.lang">spliterator</a></code></li> |
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| <h3>Constructor Detail</h3> |
| <a name="PojoRecordReader-java.lang.Class-java.util.List-"> |
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| <h4>PojoRecordReader</h4> |
| <pre>public PojoRecordReader(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html" title="type parameter in PojoRecordReader">T</a>> pojoClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html" title="type parameter in PojoRecordReader">T</a>> records)</pre> |
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| <h4>PojoRecordReader</h4> |
| <pre>public PojoRecordReader(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html" title="type parameter in PojoRecordReader">T</a>> pojoClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html" title="type parameter in PojoRecordReader">T</a>> records, |
| int maxRecordToRead)</pre> |
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| <h3>Method Detail</h3> |
| <a name="setupWriters-org.apache.drill.exec.physical.impl.OutputMutator-"> |
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| <li class="blockList"> |
| <h4>setupWriters</h4> |
| <pre>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoWriter.html" title="interface in org.apache.drill.exec.store.pojo">PojoWriter</a>> setupWriters(<a href="../../../../../../org/apache/drill/exec/physical/impl/OutputMutator.html" title="interface in org.apache.drill.exec.physical.impl">OutputMutator</a> output) |
| throws <a href="../../../../../../org/apache/drill/common/exceptions/ExecutionSetupException.html" title="class in org.apache.drill.common.exceptions">ExecutionSetupException</a></pre> |
| <div class="block">Creates writers based on pojo field class types. Ignores static fields.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html#setupWriters-org.apache.drill.exec.physical.impl.OutputMutator-">setupWriters</a></code> in class <code><a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html" title="class in org.apache.drill.exec.store.pojo">AbstractPojoRecordReader</a><<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html" title="type parameter in PojoRecordReader">T</a>></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>output</code> - output mutator</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>list of pojo writers</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/common/exceptions/ExecutionSetupException.html" title="class in org.apache.drill.common.exceptions">ExecutionSetupException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getFieldValue-java.lang.Object-int-"> |
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| <h4>getFieldValue</h4> |
| <pre>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> getFieldValue(<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html" title="type parameter in PojoRecordReader">T</a> row, |
| int fieldPosition)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html#getFieldValue-T-int-">AbstractPojoRecordReader</a></code></span></div> |
| <div class="block">Retrieves field value to be written based for given row and field position.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html#getFieldValue-T-int-">getFieldValue</a></code> in class <code><a href="../../../../../../org/apache/drill/exec/store/pojo/AbstractPojoRecordReader.html" title="class in org.apache.drill.exec.store.pojo">AbstractPojoRecordReader</a><<a href="../../../../../../org/apache/drill/exec/store/pojo/PojoRecordReader.html" title="type parameter in PojoRecordReader">T</a>></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>row</code> - current row</dd> |
| <dd><code>fieldPosition</code> - current field position</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>field value to be written for given row</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="toString--"> |
| <!-- --> |
| </a> |
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| <h4>toString</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toString()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/store/AbstractRecordReader.html#toString--">toString</a></code> in class <code><a href="../../../../../../org/apache/drill/exec/store/AbstractRecordReader.html" title="class in org.apache.drill.exec.store">AbstractRecordReader</a></code></dd> |
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