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| <div class="subTitle">org.apache.hadoop.hbase.filter</div> |
| <h2 title="Class FilterWrapper" class="title">Class FilterWrapper</h2> |
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| <pre>@InterfaceAudience.Private |
| public final class <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.41">FilterWrapper</a> |
| extends <a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></pre> |
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| related hooks can be defined in this wrapper. The only way to create a |
| FilterWrapper instance is passing a client side Filter instance through |
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| <td class="colFirst"><code>static class </code></td> |
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| <td class="colFirst"><code>(package private) <a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></td> |
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| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#FilterWrapper-org.apache.hadoop.hbase.filter.Filter-">FilterWrapper</a></span>(<a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a> filter)</code> |
| <div class="block">Constructor.</div> |
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| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>(package private) boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#areSerializedFieldsEqual-org.apache.hadoop.hbase.filter.Filter-">areSerializedFieldsEqual</a></span>(<a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a> o)</code> |
| <div class="block">Concrete implementers can signal a failure condition in their code by throwing an |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#filterAllRemaining--">filterAllRemaining</a></span>()</code> |
| <div class="block">If this returns true, the scan will terminate.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.ReturnCode.html" title="enum in org.apache.hadoop.hbase.filter">Filter.ReturnCode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#filterCell-org.apache.hadoop.hbase.Cell-">filterCell</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> c)</code> |
| <div class="block">A way to filter based on the column family, column qualifier and/or the column value.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#filterRow--">filterRow</a></span>()</code> |
| <div class="block">Last chance to veto row based on previous <a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterCell-org.apache.hadoop.hbase.Cell-"><code>Filter.filterCell(Cell)</code></a> calls.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#filterRowCells-java.util.List-">filterRowCells</a></span>(<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/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> kvs)</code> |
| <div class="block">Chance to alter the list of Cells to be submitted.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.FilterRowRetCode.html" title="enum in org.apache.hadoop.hbase.filter">FilterWrapper.FilterRowRetCode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#filterRowCellsWithRet-java.util.List-">filterRowCellsWithRet</a></span>(<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/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> kvs)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#filterRowKey-org.apache.hadoop.hbase.Cell-">filterRowKey</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell)</code> |
| <div class="block">Filters a row based on the row key.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#getNextCellHint-org.apache.hadoop.hbase.Cell-">getNextCellHint</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> currentCell)</code> |
| <div class="block">If the filter returns the match code SEEK_NEXT_USING_HINT, then it should also tell which is |
| the next key it must seek to.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#hasFilterRow--">hasFilterRow</a></span>()</code> |
| <div class="block">Primarily used to check for conflicts with scans(such as scans that do not read a full row at a |
| time).</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#isFamilyEssential-byte:A-">isFamilyEssential</a></span>(byte[] name)</code> |
| <div class="block">Check that given column family is essential for filter to check row.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html" title="class in org.apache.hadoop.hbase.filter">FilterWrapper</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#parseFrom-byte:A-">parseFrom</a></span>(byte[] pbBytes)</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#reset--">reset</a></span>()</code> |
| <div class="block">Reset the state of the filter between rows.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#toByteArray--">toByteArray</a></span>()</code> |
| <div class="block">TODO: JAVADOC |
| |
| Concrete implementers can signal a failure condition in their code by throwing an |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#transformCell-org.apache.hadoop.hbase.Cell-">transformCell</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> v)</code> |
| <div class="block">Give the filter a chance to transform the passed KeyValue.</div> |
| </td> |
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| <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#isReversed--">isReversed</a>, <a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#setReversed-boolean-">setReversed</a></code></li> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
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| <a name="filter"> |
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| <h4>filter</h4> |
| <pre><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.42">filter</a></pre> |
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| <h4>FilterWrapper</h4> |
| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.49">FilterWrapper</a>(<a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a> filter)</pre> |
| <div class="block">Constructor.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>filter</code> - filter to wrap</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if <code>filter</code> is <code>null</code></dd> |
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| <h4>toByteArray</h4> |
| <pre>public byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.57">toByteArray</a>() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#toByteArray--">Filter</a></code></span></div> |
| <div class="block">TODO: JAVADOC |
| |
| Concrete implementers can signal a failure condition in their code by throwing an |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#toByteArray--">toByteArray</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The filter serialized using pb</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case an I/O or an filter specific failure needs to be signaled.</dd> |
| </dl> |
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| <a name="parseFrom-byte:A-"> |
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| <h4>parseFrom</h4> |
| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html" title="class in org.apache.hadoop.hbase.filter">FilterWrapper</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.70">parseFrom</a>(byte[] pbBytes) |
| throws <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pbBytes</code> - A pb serialized <a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html" title="class in org.apache.hadoop.hbase.filter"><code>FilterWrapper</code></a> instance</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>An instance of <a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html" title="class in org.apache.hadoop.hbase.filter"><code>FilterWrapper</code></a> made from <code>bytes</code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></code></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html#toByteArray--"><code>toByteArray()</code></a></dd> |
| </dl> |
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| <a name="reset--"> |
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| <li class="blockList"> |
| <h4>reset</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.86">reset</a>() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#reset--">Filter</a></code></span></div> |
| <div class="block">Reset the state of the filter between rows. |
| |
| Concrete implementers can signal a failure condition in their code by throwing an |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#reset--">reset</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case an I/O or an filter specific failure needs to be signaled.</dd> |
| </dl> |
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| </ul> |
| <a name="filterAllRemaining--"> |
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| <h4>filterAllRemaining</h4> |
| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.91">filterAllRemaining</a>() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterAllRemaining--">Filter</a></code></span></div> |
| <div class="block">If this returns true, the scan will terminate. |
| |
| Concrete implementers can signal a failure condition in their code by throwing an |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterAllRemaining--">filterAllRemaining</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true to end scan, false to continue.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case an I/O or an filter specific failure needs to be signaled.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="filterRow--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>filterRow</h4> |
| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.96">filterRow</a>() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterRow--">Filter</a></code></span></div> |
| <div class="block">Last chance to veto row based on previous <a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterCell-org.apache.hadoop.hbase.Cell-"><code>Filter.filterCell(Cell)</code></a> calls. The filter |
| needs to retain state then return a particular value for this call if they wish to exclude a |
| row if a certain column is missing (for example). |
| |
| Concrete implementers can signal a failure condition in their code by throwing an |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterRow--">filterRow</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true to exclude row, false to include row.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case an I/O or an filter specific failure needs to be signaled.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getNextCellHint-org.apache.hadoop.hbase.Cell-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getNextCellHint</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.101">getNextCellHint</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> currentCell) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#getNextCellHint-org.apache.hadoop.hbase.Cell-">Filter</a></code></span></div> |
| <div class="block">If the filter returns the match code SEEK_NEXT_USING_HINT, then it should also tell which is |
| the next key it must seek to. After receiving the match code SEEK_NEXT_USING_HINT, the |
| QueryMatcher would call this function to find out which key it must next seek to. |
| |
| Concrete implementers can signal a failure condition in their code by throwing an |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#getNextCellHint-org.apache.hadoop.hbase.Cell-">getNextCellHint</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>KeyValue which must be next seeked. return null if the filter is not sure which key to |
| seek to next.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case an I/O or an filter specific failure needs to be signaled.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="filterRowKey-org.apache.hadoop.hbase.Cell-"> |
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| <h4>filterRowKey</h4> |
| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.106">filterRowKey</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterRowKey-org.apache.hadoop.hbase.Cell-">Filter</a></code></span></div> |
| <div class="block">Filters a row based on the row key. If this returns true, the entire row will be excluded. If |
| false, each KeyValue in the row will be passed to <a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterCell-org.apache.hadoop.hbase.Cell-"><code>Filter.filterCell(Cell)</code></a> below. |
| If <a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterAllRemaining--"><code>Filter.filterAllRemaining()</code></a> returns true, then <a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterRowKey-org.apache.hadoop.hbase.Cell-"><code>Filter.filterRowKey(Cell)</code></a> should |
| also return true. |
| |
| Concrete implementers can signal a failure condition in their code by throwing an |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterRowKey-org.apache.hadoop.hbase.Cell-">filterRowKey</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cell</code> - The first cell coming in the new row</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true, remove entire row, false, include the row (maybe).</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case an I/O or an filter specific failure needs to be signaled.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="filterCell-org.apache.hadoop.hbase.Cell-"> |
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| <h4>filterCell</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/filter/Filter.ReturnCode.html" title="enum in org.apache.hadoop.hbase.filter">Filter.ReturnCode</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.112">filterCell</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> c) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterCell-org.apache.hadoop.hbase.Cell-">Filter</a></code></span></div> |
| <div class="block">A way to filter based on the column family, column qualifier and/or the column value. Return |
| code is described below. This allows filters to filter only certain number of columns, then |
| terminate without matching ever column. |
| |
| If filterRowKey returns true, filterCell needs to be consistent with it. |
| |
| filterCell can assume that filterRowKey has already been called for the row. |
| |
| If your filter returns <code>ReturnCode.NEXT_ROW</code>, it should return |
| <code>ReturnCode.NEXT_ROW</code> until <a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#reset--"><code>Filter.reset()</code></a> is called just in case the caller calls |
| for the next row. |
| |
| Concrete implementers can signal a failure condition in their code by throwing an |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterCell-org.apache.hadoop.hbase.Cell-">filterCell</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the Cell in question</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>code as described below</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case an I/O or an filter specific failure needs to be signaled.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.ReturnCode.html" title="enum in org.apache.hadoop.hbase.filter"><code>Filter.ReturnCode</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="transformCell-org.apache.hadoop.hbase.Cell-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>transformCell</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.117">transformCell</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> v) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#transformCell-org.apache.hadoop.hbase.Cell-">Filter</a></code></span></div> |
| <div class="block">Give the filter a chance to transform the passed KeyValue. If the Cell is changed a new |
| Cell object must be returned.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#transformCell-org.apache.hadoop.hbase.Cell-">transformCell</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>v</code> - the KeyValue in question</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the changed KeyValue</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case an I/O or an filter specific failure needs to be signaled.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/KeyValue.html#shallowCopy--"><code>The transformed KeyValue is what is eventually returned to the client. Most filters will |
| return the passed KeyValue unchanged.</code></a>, |
| <a href="../../../../../org/apache/hadoop/hbase/filter/KeyOnlyFilter.html#transformCell-org.apache.hadoop.hbase.Cell-"><code>for an example of a |
| transformation. |
| |
| Concrete implementers can signal a failure condition in their code by throwing an |
| {@link IOException}.</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="hasFilterRow--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>hasFilterRow</h4> |
| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.122">hasFilterRow</a>()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#hasFilterRow--">Filter</a></code></span></div> |
| <div class="block">Primarily used to check for conflicts with scans(such as scans that do not read a full row at a |
| time).</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#hasFilterRow--">hasFilterRow</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if this filter actively uses filterRowCells(List) or filterRow().</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="filterRowCells-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>filterRowCells</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.127">filterRowCells</a>(<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/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> kvs) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterRowCells-java.util.List-">Filter</a></code></span></div> |
| <div class="block">Chance to alter the list of Cells to be submitted. Modifications to the list will carry on |
| |
| Concrete implementers can signal a failure condition in their code by throwing an |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterRowCells-java.util.List-">filterRowCells</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>kvs</code> - the list of Cells to be filtered</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case an I/O or an filter specific failure needs to be signaled.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="filterRowCellsWithRet-java.util.List-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>filterRowCellsWithRet</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.FilterRowRetCode.html" title="enum in org.apache.hadoop.hbase.filter">FilterWrapper.FilterRowRetCode</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.137">filterRowCellsWithRet</a>(<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/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> kvs) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isFamilyEssential-byte:A-"> |
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| <ul class="blockList"> |
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| <h4>isFamilyEssential</h4> |
| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.155">isFamilyEssential</a>(byte[] name) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#isFamilyEssential-byte:A-">Filter</a></code></span></div> |
| <div class="block">Check that given column family is essential for filter to check row. Most filters always return |
| true here. But some could have more sophisticated logic which could significantly reduce |
| scanning process by not even touching columns until we are 100% sure that it's data is needed |
| in result. |
| |
| Concrete implementers can signal a failure condition in their code by throwing an |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>.</div> |
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| <dd><code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#isFamilyEssential-byte:A-">isFamilyEssential</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case an I/O or an filter specific failure needs to be signaled.</dd> |
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| <a name="areSerializedFieldsEqual-org.apache.hadoop.hbase.filter.Filter-"> |
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| <h4>areSerializedFieldsEqual</h4> |
| <pre>boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/filter/FilterWrapper.html#line.165">areSerializedFieldsEqual</a>(<a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a> o)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#areSerializedFieldsEqual-org.apache.hadoop.hbase.filter.Filter-">Filter</a></code></span></div> |
| <div class="block">Concrete implementers can signal a failure condition in their code by throwing an |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>.</div> |
| <dl> |
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| <dd><code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#areSerializedFieldsEqual-org.apache.hadoop.hbase.filter.Filter-">areSerializedFieldsEqual</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>o</code> - the other filter to compare with</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if and only if the fields of the filter that are serialized |
| are equal to the corresponding fields in other. Used for testing.</dd> |
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