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| <div class="subTitle">org.apache.sysds.runtime.transform.encode</div> |
| <h2 title="Class Encoder" class="title">Class Encoder</h2> |
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| <ul class="inheritance"> |
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| <li>org.apache.sysds.runtime.transform.encode.Encoder</li> |
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| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/sysds/runtime/transform/encode/EncoderBin.html" title="class in org.apache.sysds.runtime.transform.encode">EncoderBin</a>, <a href="../../../../../../org/apache/sysds/runtime/transform/encode/EncoderComposite.html" title="class in org.apache.sysds.runtime.transform.encode">EncoderComposite</a>, <a href="../../../../../../org/apache/sysds/runtime/transform/encode/EncoderDummycode.html" title="class in org.apache.sysds.runtime.transform.encode">EncoderDummycode</a>, <a href="../../../../../../org/apache/sysds/runtime/transform/encode/EncoderFeatureHash.html" title="class in org.apache.sysds.runtime.transform.encode">EncoderFeatureHash</a>, <a href="../../../../../../org/apache/sysds/runtime/transform/encode/EncoderMVImpute.html" title="class in org.apache.sysds.runtime.transform.encode">EncoderMVImpute</a>, <a href="../../../../../../org/apache/sysds/runtime/transform/encode/EncoderOmit.html" title="class in org.apache.sysds.runtime.transform.encode">EncoderOmit</a>, <a href="../../../../../../org/apache/sysds/runtime/transform/encode/EncoderPassThrough.html" title="class in org.apache.sysds.runtime.transform.encode">EncoderPassThrough</a>, <a href="../../../../../../org/apache/sysds/runtime/transform/encode/EncoderRecode.html" title="class in org.apache.sysds.runtime.transform.encode">EncoderRecode</a></dd> |
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| <pre>public abstract class <span class="typeNameLabel">Encoder</span> |
| extends <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> |
| implements <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre> |
| <div class="block">Base class for all transform encoders providing both a row and block |
| interface for decoding frames to matrices.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../serialized-form.html#org.apache.sysds.runtime.transform.encode.Encoder">Serialized Form</a></dd> |
| </dl> |
| </li> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>protected int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#Z:Z_clen">_clen</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected int[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#Z:Z_colList">_colList</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static org.apache.commons.logging.Log</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#LOG">LOG</a></span></code> </td> |
| </tr> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier</th> |
| <th class="colLast" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#Encoder-int:A-int-">Encoder</a></span>(int[] colList, |
| int clen)</code> </td> |
| </tr> |
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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>abstract <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#apply-org.apache.sysds.runtime.matrix.data.FrameBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-">apply</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> in, |
| <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out)</code> |
| <div class="block">Encode input data blockwise according to existing transform meta |
| data (transform apply).</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>abstract void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#build-org.apache.sysds.runtime.matrix.data.FrameBlock-">build</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> in)</code> |
| <div class="block">Build the transform meta data for the given block input.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#encode-org.apache.sysds.runtime.matrix.data.FrameBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-">encode</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> in, |
| <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out)</code> |
| <div class="block">Block encode: build and apply (transform encode).</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>int[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#getColList--">getColList</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#getColMapping-org.apache.sysds.runtime.matrix.data.FrameBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-">getColMapping</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> meta, |
| <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out)</code> |
| <div class="block">Obtain the column mapping of encoded frames based on the passed |
| meta data frame.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#getMetaData-org.apache.sysds.runtime.matrix.data.FrameBlock-">getMetaData</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> out)</code> |
| <div class="block">Construct a frame block out of the transform meta data.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#getNumCols--">getNumCols</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#initColList-int:A-">initColList</a></span>(int[] colList)</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#initColList-org.apache.wink.json4j.JSONArray-">initColList</a></span>(org.apache.wink.json4j.JSONArray attrs)</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>abstract void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#initMetaData-org.apache.sysds.runtime.matrix.data.FrameBlock-">initMetaData</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> meta)</code> |
| <div class="block">Sets up the required meta data for a subsequent call to apply.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#isApplicable--">isApplicable</a></span>()</code> |
| <div class="block">Indicates if this encoder is applicable, i.e, if there is at |
| least one column to encode.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#isApplicable-int-">isApplicable</a></span>(int colID)</code> |
| <div class="block">Indicates if this encoder is applicable for the given column ID, |
| i.e., if it is subject to this transformation.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/transform/encode/Encoder.html#setColList-int:A-">setColList</a></span>(int[] colList)</code> </td> |
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| </ul> |
| </li> |
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| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
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| <h3>Field Detail</h3> |
| <a name="LOG"> |
| <!-- --> |
| </a> |
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| <h4>LOG</h4> |
| <pre>protected static final org.apache.commons.logging.Log LOG</pre> |
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| <h4>_clen</h4> |
| <pre>protected int _clen</pre> |
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| <a name="Z:Z_colList"> |
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| </a> |
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| <h4>_colList</h4> |
| <pre>protected int[] _colList</pre> |
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| <ul class="blockList"> |
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| <h3>Constructor Detail</h3> |
| <a name="Encoder-int:A-int-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>Encoder</h4> |
| <pre>protected Encoder(int[] colList, |
| int clen)</pre> |
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| </li> |
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| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
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| <h3>Method Detail</h3> |
| <a name="getColList--"> |
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| <h4>getColList</h4> |
| <pre>public int[] getColList()</pre> |
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| </a> |
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| <li class="blockList"> |
| <h4>setColList</h4> |
| <pre>public void setColList(int[] colList)</pre> |
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| </a> |
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| <h4>getNumCols</h4> |
| <pre>public int getNumCols()</pre> |
| </li> |
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| <h4>initColList</h4> |
| <pre>public int initColList(org.apache.wink.json4j.JSONArray attrs)</pre> |
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| <h4>initColList</h4> |
| <pre>public int initColList(int[] colList)</pre> |
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| <h4>isApplicable</h4> |
| <pre>public boolean isApplicable()</pre> |
| <div class="block">Indicates if this encoder is applicable, i.e, if there is at |
| least one column to encode.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if at least one column to encode</dd> |
| </dl> |
| </li> |
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| <a name="isApplicable-int-"> |
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| <li class="blockList"> |
| <h4>isApplicable</h4> |
| <pre>public int isApplicable(int colID)</pre> |
| <div class="block">Indicates if this encoder is applicable for the given column ID, |
| i.e., if it is subject to this transformation.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>colID</code> - column ID</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if encoder is applicable for given column</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="encode-org.apache.sysds.runtime.matrix.data.FrameBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>encode</h4> |
| <pre>public abstract <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> encode(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> in, |
| <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out)</pre> |
| <div class="block">Block encode: build and apply (transform encode).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>in</code> - input frame block</dd> |
| <dd><code>out</code> - output matrix block</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>output matrix block</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="build-org.apache.sysds.runtime.matrix.data.FrameBlock-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>build</h4> |
| <pre>public abstract void build(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> in)</pre> |
| <div class="block">Build the transform meta data for the given block input. This call modifies |
| and keeps meta data as encoder state.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>in</code> - input frame block</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="apply-org.apache.sysds.runtime.matrix.data.FrameBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>apply</h4> |
| <pre>public abstract <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> apply(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> in, |
| <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out)</pre> |
| <div class="block">Encode input data blockwise according to existing transform meta |
| data (transform apply).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>in</code> - input frame block</dd> |
| <dd><code>out</code> - output matrix block</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>output matrix block</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getMetaData-org.apache.sysds.runtime.matrix.data.FrameBlock-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getMetaData</h4> |
| <pre>public abstract <a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> getMetaData(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> out)</pre> |
| <div class="block">Construct a frame block out of the transform meta data.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>out</code> - output frame block</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>output frame block?</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="initMetaData-org.apache.sysds.runtime.matrix.data.FrameBlock-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>initMetaData</h4> |
| <pre>public abstract void initMetaData(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> meta)</pre> |
| <div class="block">Sets up the required meta data for a subsequent call to apply.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>meta</code> - frame block</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getColMapping-org.apache.sysds.runtime.matrix.data.FrameBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>getColMapping</h4> |
| <pre>public <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> getColMapping(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> meta, |
| <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out)</pre> |
| <div class="block">Obtain the column mapping of encoded frames based on the passed |
| meta data frame.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>meta</code> - meta data frame block</dd> |
| <dd><code>out</code> - output matrix</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>matrix with column mapping (one row per attribute)</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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