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| <div class="subTitle">org.apache.hadoop.mapreduce.lib.join</div> |
| <h2 title="Class CompositeInputFormat" class="title">Class CompositeInputFormat<K extends <a href="../../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>></h2> |
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| <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/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">org.apache.hadoop.mapreduce.InputFormat</a><K,<a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/TupleWritable.html" title="class in org.apache.hadoop.mapreduce.lib.join">TupleWritable</a>></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.mapreduce.lib.join.CompositeInputFormat<K></li> |
| </ul> |
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| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Stable |
| public class <span class="typeNameLabel">CompositeInputFormat<K extends <a href="../../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>></span> |
| extends <a href="../../../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">InputFormat</a><K,<a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/TupleWritable.html" title="class in org.apache.hadoop.mapreduce.lib.join">TupleWritable</a>></pre> |
| <div class="block">An InputFormat capable of performing joins over a set of data sources sorted |
| and partitioned the same way. |
| |
| A user may define new join types by setting the property |
| <tt>mapreduce.join.define.<ident></tt> to a classname. |
| In the expression <tt>mapreduce.join.expr</tt>, the identifier will be |
| assumed to be a ComposableRecordReader. |
| <tt>mapreduce.join.keycomparator</tt> can be a classname used to compare |
| keys in the join.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/CompositeInputFormat.html#setFormat-org.apache.hadoop.conf.Configuration-"><code>setFormat(org.apache.hadoop.conf.Configuration)</code></a>, |
| <a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/JoinRecordReader.html" title="class in org.apache.hadoop.mapreduce.lib.join"><code>JoinRecordReader</code></a>, |
| <a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/MultiFilterRecordReader.html" title="class in org.apache.hadoop.mapreduce.lib.join"><code>MultiFilterRecordReader</code></a></dd> |
| </dl> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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/hadoop/mapreduce/lib/join/CompositeInputFormat.html#JOIN_COMPARATOR">JOIN_COMPARATOR</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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/hadoop/mapreduce/lib/join/CompositeInputFormat.html#JOIN_EXPR">JOIN_EXPR</a></span></code> </td> |
| </tr> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/CompositeInputFormat.html#CompositeInputFormat--">CompositeInputFormat</a></span>()</code> </td> |
| </tr> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/CompositeInputFormat.html#addDefaults--">addDefaults</a></span>()</code> |
| <div class="block">Adds the default set of identifiers to the parser.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <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/hadoop/mapreduce/lib/join/CompositeInputFormat.html#compose-java.lang.Class-java.lang.String-">compose</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><? extends <a href="../../../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">InputFormat</a>> inf, |
| <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> path)</code> |
| <div class="block">Convenience method for constructing composite formats.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <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/hadoop/mapreduce/lib/join/CompositeInputFormat.html#compose-java.lang.String-java.lang.Class-org.apache.hadoop.fs.Path...-">compose</a></span>(<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> op, |
| <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><? extends <a href="../../../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">InputFormat</a>> inf, |
| <a href="../../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>... path)</code> |
| <div class="block">Convenience method for constructing composite formats.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <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/hadoop/mapreduce/lib/join/CompositeInputFormat.html#compose-java.lang.String-java.lang.Class-java.lang.String...-">compose</a></span>(<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> op, |
| <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><? extends <a href="../../../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">InputFormat</a>> inf, |
| <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>... path)</code> |
| <div class="block">Convenience method for constructing composite formats.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</a><<a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/CompositeInputFormat.html" title="type parameter in CompositeInputFormat">K</a>,<a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/TupleWritable.html" title="class in org.apache.hadoop.mapreduce.lib.join">TupleWritable</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/CompositeInputFormat.html#createRecordReader-org.apache.hadoop.mapreduce.InputSplit-org.apache.hadoop.mapreduce.TaskAttemptContext-">createRecordReader</a></span>(<a href="../../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</a> split, |
| <a href="../../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="interface in org.apache.hadoop.mapreduce">TaskAttemptContext</a> taskContext)</code> |
| <div class="block">Construct a CompositeRecordReader for the children of this InputFormat |
| as defined in the init expression.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><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/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/CompositeInputFormat.html#getSplits-org.apache.hadoop.mapreduce.JobContext-">getSplits</a></span>(<a href="../../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="interface in org.apache.hadoop.mapreduce">JobContext</a> job)</code> |
| <div class="block">Build a CompositeInputSplit from the child InputFormats by assigning the |
| ith split from each child to the ith composite split.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/CompositeInputFormat.html#setFormat-org.apache.hadoop.conf.Configuration-">setFormat</a></span>(<a href="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf)</code> |
| <div class="block">Interpret a given string as a composite expression.</div> |
| </td> |
| </tr> |
| </table> |
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| <h3>Methods inherited from class java.lang.<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></h3> |
| <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> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a name="JOIN_EXPR"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>JOIN_EXPR</h4> |
| <pre>public static final <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> JOIN_EXPR</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.hadoop.mapreduce.lib.join.CompositeInputFormat.JOIN_EXPR">Constant Field Values</a></dd> |
| </dl> |
| </li> |
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| <a name="JOIN_COMPARATOR"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>JOIN_COMPARATOR</h4> |
| <pre>public static final <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> JOIN_COMPARATOR</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.hadoop.mapreduce.lib.join.CompositeInputFormat.JOIN_COMPARATOR">Constant Field Values</a></dd> |
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| <h3>Constructor Detail</h3> |
| <a name="CompositeInputFormat--"> |
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| </a> |
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| <h4>CompositeInputFormat</h4> |
| <pre>public CompositeInputFormat()</pre> |
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| </li> |
| </ul> |
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| </a> |
| <h3>Method Detail</h3> |
| <a name="setFormat-org.apache.hadoop.conf.Configuration-"> |
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| </a> |
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| <li class="blockList"> |
| <h4>setFormat</h4> |
| <pre>public void setFormat(<a href="../../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf) |
| 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">Interpret a given string as a composite expression. |
| <code>func ::= <ident>([<func>,]*<func>) |
| func ::= tbl(<class>,"<path>") |
| class ::= @see java.lang.Class#forName(java.lang.String) |
| path ::= @see org.apache.hadoop.fs.Path#Path(java.lang.String) |
| </code> |
| Reads expression from the <tt>mapreduce.join.expr</tt> property and |
| user-supplied join types from <tt>mapreduce.join.define.<ident></tt> |
| types. Paths supplied to <tt>tbl</tt> are given as input paths to the |
| InputFormat class listed.</div> |
| <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> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/CompositeInputFormat.html#compose-java.lang.String-java.lang.Class-java.lang.String...-"><code>compose(java.lang.String, java.lang.Class, java.lang.String...)</code></a></dd> |
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| </li> |
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| <a name="addDefaults--"> |
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| </a> |
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| <h4>addDefaults</h4> |
| <pre>protected void addDefaults()</pre> |
| <div class="block">Adds the default set of identifiers to the parser.</div> |
| </li> |
| </ul> |
| <a name="getSplits-org.apache.hadoop.mapreduce.JobContext-"> |
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| </a> |
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| <h4>getSplits</h4> |
| <pre>public <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/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</a>> getSplits(<a href="../../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="interface in org.apache.hadoop.mapreduce">JobContext</a> job) |
| 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>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Build a CompositeInputSplit from the child InputFormats by assigning the |
| ith split from each child to the ith composite split.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/mapreduce/InputFormat.html#getSplits-org.apache.hadoop.mapreduce.JobContext-">getSplits</a></code> in class <code><a href="../../../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">InputFormat</a><<a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/CompositeInputFormat.html" title="type parameter in CompositeInputFormat">K</a> extends <a href="../../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>,<a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/TupleWritable.html" title="class in org.apache.hadoop.mapreduce.lib.join">TupleWritable</a>></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>job</code> - job configuration.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an array of <a href="../../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce"><code>InputSplit</code></a>s for the job.</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></dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createRecordReader-org.apache.hadoop.mapreduce.InputSplit-org.apache.hadoop.mapreduce.TaskAttemptContext-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createRecordReader</h4> |
| <pre>public <a href="../../../../../../org/apache/hadoop/mapreduce/RecordReader.html" title="class in org.apache.hadoop.mapreduce">RecordReader</a><<a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/CompositeInputFormat.html" title="type parameter in CompositeInputFormat">K</a>,<a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/TupleWritable.html" title="class in org.apache.hadoop.mapreduce.lib.join">TupleWritable</a>> createRecordReader(<a href="../../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</a> split, |
| <a href="../../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="interface in org.apache.hadoop.mapreduce">TaskAttemptContext</a> taskContext) |
| 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>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Construct a CompositeRecordReader for the children of this InputFormat |
| as defined in the init expression. |
| The outermost join need only be composable, not necessarily a composite. |
| Mandating TupleWritable isn't strictly correct.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/mapreduce/InputFormat.html#createRecordReader-org.apache.hadoop.mapreduce.InputSplit-org.apache.hadoop.mapreduce.TaskAttemptContext-">createRecordReader</a></code> in class <code><a href="../../../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">InputFormat</a><<a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/CompositeInputFormat.html" title="type parameter in CompositeInputFormat">K</a> extends <a href="../../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>,<a href="../../../../../../org/apache/hadoop/mapreduce/lib/join/TupleWritable.html" title="class in org.apache.hadoop.mapreduce.lib.join">TupleWritable</a>></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>split</code> - the split to be read</dd> |
| <dd><code>taskContext</code> - the information about the task</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new record reader</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></dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compose-java.lang.Class-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>compose</h4> |
| <pre>public static <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> compose(<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><? extends <a href="../../../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">InputFormat</a>> inf, |
| <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> path)</pre> |
| <div class="block">Convenience method for constructing composite formats. |
| Given InputFormat class (inf), path (p) return: |
| <code>tbl(<inf>, <p>) </code></div> |
| </li> |
| </ul> |
| <a name="compose-java.lang.String-java.lang.Class-java.lang.String...-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>compose</h4> |
| <pre>public static <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> compose(<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> op, |
| <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><? extends <a href="../../../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">InputFormat</a>> inf, |
| <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>... path)</pre> |
| <div class="block">Convenience method for constructing composite formats. |
| Given operation (op), Object class (inf), set of paths (p) return: |
| <code><op>(tbl(<inf>,<p1>),tbl(<inf>,<p2>),...,tbl(<inf>,<pn>)) </code></div> |
| </li> |
| </ul> |
| <a name="compose-java.lang.String-java.lang.Class-org.apache.hadoop.fs.Path...-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>compose</h4> |
| <pre>public static <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> compose(<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> op, |
| <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><? extends <a href="../../../../../../org/apache/hadoop/mapreduce/InputFormat.html" title="class in org.apache.hadoop.mapreduce">InputFormat</a>> inf, |
| <a href="../../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>... path)</pre> |
| <div class="block">Convenience method for constructing composite formats. |
| Given operation (op), Object class (inf), set of paths (p) return: |
| <code><op>(tbl(<inf>,<p1>),tbl(<inf>,<p2>),...,tbl(<inf>,<pn>)) </code></div> |
| </li> |
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