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| <h2 title="Interface StreamerContext" class="title">Interface StreamerContext</h2> |
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| <pre>public interface <span class="strong">StreamerContext</span></pre> |
| <div class="block">Streamer context. Provides access to streamer local store, configured windows and various methods |
| to run streamer queries.</div> |
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| <h3>Method Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span>Methods</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/streamer/StreamerContext.html#broadcast(org.apache.ignite.lang.IgniteInClosure)">broadcast</a></strong>(<a href="../../../../org/apache/ignite/lang/IgniteInClosure.html" title="interface in org.apache.ignite.lang">IgniteInClosure</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/streamer/StreamerContext.html" title="interface in org.apache.ignite.streamer">StreamerContext</a><span class='angle_bracket'>></span> clo)</code> |
| <div class="block">Queries all streamer nodes deployed within grid.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/streamer/StreamerContext.html#broadcast(org.apache.ignite.lang.IgniteInClosure, java.util.Collection)">broadcast</a></strong>(<a href="../../../../org/apache/ignite/lang/IgniteInClosure.html" title="interface in org.apache.ignite.lang">IgniteInClosure</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/streamer/StreamerContext.html" title="interface in org.apache.ignite.streamer">StreamerContext</a><span class='angle_bracket'>></span> clo, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a><span class='angle_bracket'>></span> nodes)</code> |
| <div class="block">Queries streamer nodes deployed within grid.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> <a href="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/ConcurrentMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentMap</a><span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/streamer/StreamerContext.html#localSpace()">localSpace</a></strong>()</code> |
| <div class="block">Gets streamer local space.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/streamer/StreamerContext.html#nextStageName()">nextStageName</a></strong>()</code> |
| <div class="block">For context passed to <a href="../../../../org/apache/ignite/streamer/StreamerStage.html#run(org.apache.ignite.streamer.StreamerContext, java.util.Collection)"><code>StreamerStage.run(StreamerContext, Collection)</code></a> this method will |
| return next stage name in execution pipeline.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/streamer/StreamerContext.html#projection()">projection</a></strong>()</code> |
| <div class="block">Gets instance of dynamic grid projection including all nodes on which this streamer is running.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/streamer/StreamerContext.html#query(org.apache.ignite.lang.IgniteClosure)">query</a></strong>(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/streamer/StreamerContext.html" title="interface in org.apache.ignite.streamer">StreamerContext</a>,R<span class='angle_bracket'>></span> clo)</code> |
| <div class="block">Queries all streamer nodes deployed within grid.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/streamer/StreamerContext.html#query(org.apache.ignite.lang.IgniteClosure, java.util.Collection)">query</a></strong>(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/streamer/StreamerContext.html" title="interface in org.apache.ignite.streamer">StreamerContext</a>,R<span class='angle_bracket'>></span> clo, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a><span class='angle_bracket'>></span> nodes)</code> |
| <div class="block">Queries streamer nodes deployed within grid.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><span class='angle_bracket'><</span>R1,R2<span class='angle_bracket'>></span> R2</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/streamer/StreamerContext.html#reduce(org.apache.ignite.lang.IgniteClosure, org.apache.ignite.lang.IgniteReducer)">reduce</a></strong>(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/streamer/StreamerContext.html" title="interface in org.apache.ignite.streamer">StreamerContext</a>,R1<span class='angle_bracket'>></span> clo, |
| <a href="../../../../org/apache/ignite/lang/IgniteReducer.html" title="interface in org.apache.ignite.lang">IgniteReducer</a><span class='angle_bracket'><</span>R1,R2<span class='angle_bracket'>></span> rdc)</code> |
| <div class="block">Queries all streamer nodes deployed within grid.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><span class='angle_bracket'><</span>R1,R2<span class='angle_bracket'>></span> R2</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/streamer/StreamerContext.html#reduce(org.apache.ignite.lang.IgniteClosure, org.apache.ignite.lang.IgniteReducer, java.util.Collection)">reduce</a></strong>(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/streamer/StreamerContext.html" title="interface in org.apache.ignite.streamer">StreamerContext</a>,R1<span class='angle_bracket'>></span> clo, |
| <a href="../../../../org/apache/ignite/lang/IgniteReducer.html" title="interface in org.apache.ignite.lang">IgniteReducer</a><span class='angle_bracket'><</span>R1,R2<span class='angle_bracket'>></span> rdc, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a><span class='angle_bracket'>></span> nodes)</code> |
| <div class="block">Queries streamer nodes deployed within grid.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><span class='angle_bracket'><</span>E<span class='angle_bracket'>></span> <a href="../../../../org/apache/ignite/streamer/StreamerWindow.html" title="interface in org.apache.ignite.streamer">StreamerWindow</a><span class='angle_bracket'><</span>E<span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/streamer/StreamerContext.html#window()">window</a></strong>()</code> |
| <div class="block">Gets default event window, i.e. window that is on the first place in streamer configuration.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><span class='angle_bracket'><</span>E<span class='angle_bracket'>></span> <a href="../../../../org/apache/ignite/streamer/StreamerWindow.html" title="interface in org.apache.ignite.streamer">StreamerWindow</a><span class='angle_bracket'><</span>E<span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/streamer/StreamerContext.html#window(java.lang.String)">window</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> winName)</code> |
| <div class="block">Gets streamer event window by window name, if no window with such |
| name was configured <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang"><code>IllegalArgumentException</code></a> will be thrown.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
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| <li class="blockList"><a name="method_detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="projection()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>projection</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> projection()</pre> |
| <div class="block">Gets instance of dynamic grid projection including all nodes on which this streamer is running.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Projection with all nodes on which streamer is configured.</dd></dl> |
| </li> |
| </ul> |
| <a name="localSpace()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>localSpace</h4> |
| <pre><span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> <a href="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/ConcurrentMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentMap</a><span class='angle_bracket'><</span>K,V<span class='angle_bracket'>></span> localSpace()</pre> |
| <div class="block">Gets streamer local space. Note that all updates to this space will be local.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Streamer local space.</dd></dl> |
| </li> |
| </ul> |
| <a name="window()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>window</h4> |
| <pre><span class='angle_bracket'><</span>E<span class='angle_bracket'>></span> <a href="../../../../org/apache/ignite/streamer/StreamerWindow.html" title="interface in org.apache.ignite.streamer">StreamerWindow</a><span class='angle_bracket'><</span>E<span class='angle_bracket'>></span> window()</pre> |
| <div class="block">Gets default event window, i.e. window that is on the first place in streamer configuration.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Default window.</dd></dl> |
| </li> |
| </ul> |
| <a name="window(java.lang.String)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>window</h4> |
| <pre><span class='angle_bracket'><</span>E<span class='angle_bracket'>></span> <a href="../../../../org/apache/ignite/streamer/StreamerWindow.html" title="interface in org.apache.ignite.streamer">StreamerWindow</a><span class='angle_bracket'><</span>E<span class='angle_bracket'>></span> window(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> winName)</pre> |
| <div class="block">Gets streamer event window by window name, if no window with such |
| name was configured <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang"><code>IllegalArgumentException</code></a> will be thrown.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>winName</code> - Window name.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Window instance.</dd></dl> |
| </li> |
| </ul> |
| <a name="nextStageName()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>nextStageName</h4> |
| <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> nextStageName()</pre> |
| <div class="block">For context passed to <a href="../../../../org/apache/ignite/streamer/StreamerStage.html#run(org.apache.ignite.streamer.StreamerContext, java.util.Collection)"><code>StreamerStage.run(StreamerContext, Collection)</code></a> this method will |
| return next stage name in execution pipeline. For context obtained from streamer object, this method will |
| return first stage name.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Next stage name depending on invocation context.</dd></dl> |
| </li> |
| </ul> |
| <a name="query(org.apache.ignite.lang.IgniteClosure)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>query</h4> |
| <pre><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> query(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/streamer/StreamerContext.html" title="interface in org.apache.ignite.streamer">StreamerContext</a>,R<span class='angle_bracket'>></span> clo) |
| throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre> |
| <div class="block">Queries all streamer nodes deployed within grid. Given closure will be executed on each node on which streamer |
| is configured. Streamer context local for that node will be passed to closure during execution. All results |
| returned by closure will be added to result collection.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>clo</code> - Function to be executed on individual nodes.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Result received from all streamers.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - If query execution failed.</dd></dl> |
| </li> |
| </ul> |
| <a name="query(org.apache.ignite.lang.IgniteClosure, java.util.Collection)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>query</h4> |
| <pre><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'><</span>R<span class='angle_bracket'>></span> query(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/streamer/StreamerContext.html" title="interface in org.apache.ignite.streamer">StreamerContext</a>,R<span class='angle_bracket'>></span> clo, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a><span class='angle_bracket'>></span> nodes) |
| throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre> |
| <div class="block">Queries streamer nodes deployed within grid. Given closure will be executed on those of passed nodes |
| on which streamer is configured. Streamer context local for that node will be passed to closure during |
| execution. All results returned by closure will be added to result collection.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>clo</code> - Function to be executed on individual nodes.</dd><dd><code>nodes</code> - Optional list of nodes to execute query on, if empty, then all nodes on |
| which this streamer is running will be queried.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Result received from all streamers.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - If query execution failed.</dd></dl> |
| </li> |
| </ul> |
| <a name="broadcast(org.apache.ignite.lang.IgniteInClosure)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>broadcast</h4> |
| <pre>void broadcast(<a href="../../../../org/apache/ignite/lang/IgniteInClosure.html" title="interface in org.apache.ignite.lang">IgniteInClosure</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/streamer/StreamerContext.html" title="interface in org.apache.ignite.streamer">StreamerContext</a><span class='angle_bracket'>></span> clo) |
| throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre> |
| <div class="block">Queries all streamer nodes deployed within grid. Given closure will be executed on each streamer node |
| in the grid. No result is collected.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>clo</code> - Function to be executed on individual nodes.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - If closure execution failed.</dd></dl> |
| </li> |
| </ul> |
| <a name="broadcast(org.apache.ignite.lang.IgniteInClosure, java.util.Collection)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>broadcast</h4> |
| <pre>void broadcast(<a href="../../../../org/apache/ignite/lang/IgniteInClosure.html" title="interface in org.apache.ignite.lang">IgniteInClosure</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/streamer/StreamerContext.html" title="interface in org.apache.ignite.streamer">StreamerContext</a><span class='angle_bracket'>></span> clo, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a><span class='angle_bracket'>></span> nodes) |
| throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre> |
| <div class="block">Queries streamer nodes deployed within grid. Given closure will be executed on those of passed nodes on |
| which streamer is configured. No result is collected.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>clo</code> - Function to be executed on individual nodes.</dd><dd><code>nodes</code> - Optional list of nodes to execute query on, if empty, then all nodes on |
| which this streamer is running will be queried.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - If closure execution failed.</dd></dl> |
| </li> |
| </ul> |
| <a name="reduce(org.apache.ignite.lang.IgniteClosure, org.apache.ignite.lang.IgniteReducer)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>reduce</h4> |
| <pre><span class='angle_bracket'><</span>R1,R2<span class='angle_bracket'>></span> R2 reduce(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/streamer/StreamerContext.html" title="interface in org.apache.ignite.streamer">StreamerContext</a>,R1<span class='angle_bracket'>></span> clo, |
| <a href="../../../../org/apache/ignite/lang/IgniteReducer.html" title="interface in org.apache.ignite.lang">IgniteReducer</a><span class='angle_bracket'><</span>R1,R2<span class='angle_bracket'>></span> rdc) |
| throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre> |
| <div class="block">Queries all streamer nodes deployed within grid. Given closure will be executed on each streamer node in |
| the grid. Streamer context local for that node will be passed to closure during execution. Results returned |
| by closure will be passed to given reducer.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>clo</code> - Function to be executed on individual nodes.</dd><dd><code>rdc</code> - Reducer to reduce results received from remote nodes.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Reducer result.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - If query execution failed.</dd></dl> |
| </li> |
| </ul> |
| <a name="reduce(org.apache.ignite.lang.IgniteClosure, org.apache.ignite.lang.IgniteReducer, java.util.Collection)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>reduce</h4> |
| <pre><span class='angle_bracket'><</span>R1,R2<span class='angle_bracket'>></span> R2 reduce(<a href="../../../../org/apache/ignite/lang/IgniteClosure.html" title="interface in org.apache.ignite.lang">IgniteClosure</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/streamer/StreamerContext.html" title="interface in org.apache.ignite.streamer">StreamerContext</a>,R1<span class='angle_bracket'>></span> clo, |
| <a href="../../../../org/apache/ignite/lang/IgniteReducer.html" title="interface in org.apache.ignite.lang">IgniteReducer</a><span class='angle_bracket'><</span>R1,R2<span class='angle_bracket'>></span> rdc, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'><</span><a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a><span class='angle_bracket'>></span> nodes) |
| throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre> |
| <div class="block">Queries streamer nodes deployed within grid. Given closure will be executed on those of passed nodes on which |
| streamer is configured. Streamer context local for that node will be passed to closure during execution. |
| Results returned by closure will be passed to given reducer.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>clo</code> - Function to be executed on individual nodes.</dd><dd><code>rdc</code> - Reducer to reduce results received from remote nodes.</dd><dd><code>nodes</code> - Optional list of nodes to execute query on, if empty, then all nodes on |
| which this streamer is running will be queried.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Reducer result.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - If query execution failed.</dd></dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
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| <p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://incubator.apache.org/projects/ignite.html"><nobr>2015 Copyright © Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Apache Ignite Fabric</b> </td> <td>: ver. <strong>1.0.0-RC3</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>: March 24 2015 </td> </tr> </tbody> </table> </td> </tr> </table></small></p> |
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