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| <h2 title="Interface ClusterGroup" class="title">Interface ClusterGroup</h2> |
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| <pre>public interface <span class="typeNameLabel">ClusterGroup</span></pre> |
| <div class="block">Defines a cluster group which contains all or a subset of cluster nodes. |
| The <a href="../../../../org/apache/ignite/IgniteCluster.html" title="interface in org.apache.ignite"><code>IgniteCluster</code></a> interface itself also extends <code>ClusterGroup</code> which makes |
| an instance of <a href="../../../../org/apache/ignite/IgniteCluster.html" title="interface in org.apache.ignite"><code>IgniteCluster</code></a> into a cluster group containing all cluster nodes. |
| <h1 class="header">Clustering</h1> |
| Cluster group allows to group cluster nodes into various subgroups to perform distributed |
| operations on them. All <code>'forXXX(...)'</code> methods will create a child cluster group |
| from the existing cluster group. If you create a new cluster group from the current one, then |
| the resulting cluster group will include a subset of nodes from the current one. The following |
| code shows how to create and nest cluster groups: |
| <pre name="code" class="java"> |
| Ignite ignite = Ignition.ignite(); |
| |
| IgniteCluster cluster = ignite.cluster(); |
| |
| // Cluster group over remote nodes. |
| ClusterGroup remoteNodes = cluster.forRemotes(); |
| |
| // Cluster group over random remote node. |
| ClusterGroup randomNode = remoteNodes.forRandom(); |
| |
| // Cluster group over all nodes with cache named "myCache" enabled. |
| ClusterGroup cacheNodes = cluster.forCacheNodes("myCache"); |
| |
| // Cluster group over all nodes that have the user attribute "group" set to the value "worker". |
| ClusterGroup workerNodes = cluster.forAttribute("group", "worker"); |
| </pre></div> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forAttribute-java.lang.String-java.lang.Object-">forAttribute</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> val)</code> |
| <div class="block">Creates a new cluster group for nodes containing given name and value |
| specified in user attributes.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forCacheNodes-java.lang.String-">forCacheNodes</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> cacheName)</code> |
| <div class="block">Creates a cluster group for all nodes that have cache with specified name, either in client or server modes.</div> |
| </td> |
| </tr> |
| <tr id="i2" 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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forClientNodes-java.lang.String-">forClientNodes</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> cacheName)</code> |
| <div class="block">Creates a cluster group for all client nodes that access cache with the specified name.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forClients--">forClients</a></span>()</code> |
| <div class="block">Creates a cluster group of nodes started in client mode.</div> |
| </td> |
| </tr> |
| <tr id="i4" 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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forDaemons--">forDaemons</a></span>()</code> |
| <div class="block">Gets a cluster group consisting from the daemon nodes.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forDataNodes-java.lang.String-">forDataNodes</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> cacheName)</code> |
| <div class="block">Creates a cluster group for all data nodes that have the cache with the specified name running.</div> |
| </td> |
| </tr> |
| <tr id="i6" 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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forHost-org.apache.ignite.cluster.ClusterNode-">forHost</a></span>(<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a> node)</code> |
| <div class="block">Gets cluster group consisting from the nodes in this cluster group residing on the |
| same host as the given node.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forHost-java.lang.String-java.lang.String...-">forHost</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> host, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... hosts)</code> |
| <div class="block">Gets cluster group consisting from the nodes running on the hosts specified.</div> |
| </td> |
| </tr> |
| <tr id="i8" 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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forNode-org.apache.ignite.cluster.ClusterNode-org.apache.ignite.cluster.ClusterNode...-">forNode</a></span>(<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a> node, |
| <a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>... nodes)</code> |
| <div class="block">Creates a cluster group for the given node.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forNodeId-java.util.UUID-java.util.UUID...-">forNodeId</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a> id, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>... ids)</code> |
| <div class="block">Creates a cluster group for a node with the specified ID.</div> |
| </td> |
| </tr> |
| <tr id="i10" 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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forNodeIds-java.util.Collection-">forNodeIds</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="http://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>> ids)</code> |
| <div class="block">Creates a cluster group over nodes with specified node IDs.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forNodes-java.util.Collection-">forNodes</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><? extends <a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>> nodes)</code> |
| <div class="block">Creates a cluster group over a given set of nodes.</div> |
| </td> |
| </tr> |
| <tr id="i12" 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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forOldest--">forOldest</a></span>()</code> |
| <div class="block">Creates a cluster group with one oldest node from the current cluster group.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forOthers-org.apache.ignite.cluster.ClusterGroup-">forOthers</a></span>(<a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> prj)</code> |
| <div class="block">Creates a cluster group for nodes not included into the given cluster group.</div> |
| </td> |
| </tr> |
| <tr id="i14" 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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forOthers-org.apache.ignite.cluster.ClusterNode-org.apache.ignite.cluster.ClusterNode...-">forOthers</a></span>(<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a> node, |
| <a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>... nodes)</code> |
| <div class="block">Creates a cluster group for nodes other than the given nodes.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forPredicate-org.apache.ignite.lang.IgnitePredicate-">forPredicate</a></span>(<a href="../../../../org/apache/ignite/lang/IgnitePredicate.html" title="interface in org.apache.ignite.lang">IgnitePredicate</a><<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>> p)</code> |
| <div class="block">Creates a new cluster group which includes all nodes that pass the given predicate filter.</div> |
| </td> |
| </tr> |
| <tr id="i16" 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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forRandom--">forRandom</a></span>()</code> |
| <div class="block">Creates a cluster group with one random node from the current cluster group.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forRemotes--">forRemotes</a></span>()</code> |
| <div class="block">Gets cluster group consisting from the nodes in this cluster group excluding the local node.</div> |
| </td> |
| </tr> |
| <tr id="i18" 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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forServers--">forServers</a></span>()</code> |
| <div class="block">Creates a cluster group of nodes started in server mode.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <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><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#forYoungest--">forYoungest</a></span>()</code> |
| <div class="block">Creates a cluster group with one youngest node in the current cluster group.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="http://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/ignite/cluster/ClusterGroup.html#hostNames--">hostNames</a></span>()</code> |
| <div class="block">Gets the read-only collection of hostnames in this cluster group.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/ignite/Ignite.html" title="interface in org.apache.ignite">Ignite</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#ignite--">ignite</a></span>()</code> |
| <div class="block">Gets instance of grid.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/ignite/cluster/ClusterMetrics.html" title="interface in org.apache.ignite.cluster">ClusterMetrics</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#metrics--">metrics</a></span>()</code> |
| <div class="block">Gets a metrics snapshot for this cluster group.</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#node--">node</a></span>()</code> |
| <div class="block">Gets first node from the list of nodes in this cluster group.</div> |
| </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#node-java.util.UUID-">node</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a> nid)</code> |
| <div class="block">Gets a node for given ID from this cluster group.</div> |
| </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#nodes--">nodes</a></span>()</code> |
| <div class="block">Gets the read-only collection of nodes in this cluster group.</div> |
| </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/ignite/lang/IgnitePredicate.html" title="interface in org.apache.ignite.lang">IgnitePredicate</a><<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#predicate--">predicate</a></span>()</code> |
| <div class="block">Gets predicate that defines a subset of nodes for this cluster group.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <!-- ============ METHOD DETAIL ========== --> |
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| <h3>Method Detail</h3> |
| <a name="ignite--"> |
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| </a> |
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| <h4>ignite</h4> |
| <pre><a href="../../../../org/apache/ignite/Ignite.html" title="interface in org.apache.ignite">Ignite</a> ignite()</pre> |
| <div class="block">Gets instance of grid.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Grid instance.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forNodes-java.util.Collection-"> |
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| <h4>forNodes</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forNodes(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><? extends <a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>> nodes)</pre> |
| <div class="block">Creates a cluster group over a given set of nodes.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>nodes</code> - Collection of nodes to create the cluster group from.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group for the provided grid nodes.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forNode-org.apache.ignite.cluster.ClusterNode-org.apache.ignite.cluster.ClusterNode...-"> |
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| </a> |
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| <h4>forNode</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forNode(<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a> node, |
| <a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>... nodes)</pre> |
| <div class="block">Creates a cluster group for the given node.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>node</code> - Node to create cluster group for.</dd> |
| <dd><code>nodes</code> - Optional additional nodes to include into the cluster group.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group for the given nodes.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forOthers-org.apache.ignite.cluster.ClusterNode-org.apache.ignite.cluster.ClusterNode...-"> |
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| <h4>forOthers</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forOthers(<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a> node, |
| <a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>... nodes)</pre> |
| <div class="block">Creates a cluster group for nodes other than the given nodes.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>node</code> - Node to exclude from the new cluster group.</dd> |
| <dd><code>nodes</code> - Optional additional nodes to exclude from the cluster group.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group that will contain all nodes from the original cluster group excluding |
| the given nodes.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forOthers-org.apache.ignite.cluster.ClusterGroup-"> |
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| </a> |
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| <h4>forOthers</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forOthers(<a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> prj)</pre> |
| <div class="block">Creates a cluster group for nodes not included into the given cluster group.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>prj</code> - Cluster group to exclude from the new cluster group.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group for nodes not included into the given cluster group.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forNodeIds-java.util.Collection-"> |
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| <h4>forNodeIds</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forNodeIds(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="http://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>> ids)</pre> |
| <div class="block">Creates a cluster group over nodes with specified node IDs.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ids</code> - Collection of node IDs.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group over nodes with the specified node IDs.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forNodeId-java.util.UUID-java.util.UUID...-"> |
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| <h4>forNodeId</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forNodeId(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a> id, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>... ids)</pre> |
| <div class="block">Creates a cluster group for a node with the specified ID.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>id</code> - Node ID to get the cluster group for.</dd> |
| <dd><code>ids</code> - Optional additional node IDs to include into the cluster group.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group over the node with the specified node IDs.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forPredicate-org.apache.ignite.lang.IgnitePredicate-"> |
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| <h4>forPredicate</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forPredicate(<a href="../../../../org/apache/ignite/lang/IgnitePredicate.html" title="interface in org.apache.ignite.lang">IgnitePredicate</a><<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>> p)</pre> |
| <div class="block">Creates a new cluster group which includes all nodes that pass the given predicate filter.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>p</code> - Predicate filter for nodes to include into the cluster group.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group for nodes that passed the predicate filter.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forAttribute-java.lang.String-java.lang.Object-"> |
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| <h4>forAttribute</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forAttribute(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name, |
| @Nullable |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> val)</pre> |
| <div class="block">Creates a new cluster group for nodes containing given name and value |
| specified in user attributes. |
| <p> |
| User attributes for every node are optional and can be specified in |
| grid node configuration. See <a href="../../../../org/apache/ignite/configuration/IgniteConfiguration.html#getUserAttributes--"><code>IgniteConfiguration.getUserAttributes()</code></a> |
| for more information.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - Name of the attribute.</dd> |
| <dd><code>val</code> - Optional attribute value to match.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group for nodes containing specified attribute.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forServers--"> |
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| <h4>forServers</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forServers()</pre> |
| <div class="block">Creates a cluster group of nodes started in server mode.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group of nodes started in server mode.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/ignite/Ignition.html#setClientMode-boolean-"><code>Ignition.setClientMode(boolean)</code></a>, |
| <a href="../../../../org/apache/ignite/configuration/IgniteConfiguration.html#setClientMode-boolean-"><code>IgniteConfiguration.setClientMode(boolean)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>forClients</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forClients()</pre> |
| <div class="block">Creates a cluster group of nodes started in client mode.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group of nodes started in client mode.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/ignite/Ignition.html#setClientMode-boolean-"><code>Ignition.setClientMode(boolean)</code></a>, |
| <a href="../../../../org/apache/ignite/configuration/IgniteConfiguration.html#setClientMode-boolean-"><code>IgniteConfiguration.setClientMode(boolean)</code></a></dd> |
| </dl> |
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| <h4>forCacheNodes</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forCacheNodes(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> cacheName)</pre> |
| <div class="block">Creates a cluster group for all nodes that have cache with specified name, either in client or server modes.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cacheName</code> - Cache name.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group over nodes that have specified cache running.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forDataNodes-java.lang.String-"> |
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| <h4>forDataNodes</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forDataNodes(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> cacheName)</pre> |
| <div class="block">Creates a cluster group for all data nodes that have the cache with the specified name running.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cacheName</code> - Cache name.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group over nodes that have the cache with the specified name running.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forClientNodes-java.lang.String-"> |
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| <h4>forClientNodes</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forClientNodes(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> cacheName)</pre> |
| <div class="block">Creates a cluster group for all client nodes that access cache with the specified name.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cacheName</code> - Cache name.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group over nodes that have the specified cache running.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forRemotes--"> |
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| <h4>forRemotes</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forRemotes()</pre> |
| <div class="block">Gets cluster group consisting from the nodes in this cluster group excluding the local node.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group consisting from the nodes in this cluster group excluding the local node.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forHost-org.apache.ignite.cluster.ClusterNode-"> |
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| <h4>forHost</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forHost(<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a> node)</pre> |
| <div class="block">Gets cluster group consisting from the nodes in this cluster group residing on the |
| same host as the given node.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>node</code> - Node to select the host for.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group for nodes residing on the same host as the specified node.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forHost-java.lang.String-java.lang.String...-"> |
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| <h4>forHost</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forHost(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> host, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... hosts)</pre> |
| <div class="block">Gets cluster group consisting from the nodes running on the hosts specified.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>host</code> - Host name to get nodes to put in cluster</dd> |
| <dd><code>hosts</code> - Host names to get nodes to put in cluster.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group for nodes residing on the hosts specified.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forDaemons--"> |
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| <h4>forDaemons</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forDaemons()</pre> |
| <div class="block">Gets a cluster group consisting from the daemon nodes. |
| <p> |
| Daemon nodes are the usual grid nodes that participate in topology but not |
| visible on the main APIs, i.e. they are not part of any cluster group. The only |
| way to see daemon nodes is to use this method. |
| <p> |
| Daemon nodes are used primarily for management and monitoring functionality that |
| is build on Ignite and needs to participate in the topology, but also needs to be |
| excluded from the "normal" topology, so that it won't participate in the task execution |
| or in-memory data grid storage.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group consisting from the daemon nodes.</dd> |
| </dl> |
| </li> |
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| <h4>forRandom</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forRandom()</pre> |
| <div class="block">Creates a cluster group with one random node from the current cluster group.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group containing one random node from the current cluster group.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>forOldest</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forOldest()</pre> |
| <div class="block">Creates a cluster group with one oldest node from the current cluster group. |
| The resulting cluster group is dynamic and will always pick the next oldest |
| node if the previous one leaves topology even after the cluster group has |
| been created. |
| <p> |
| Use <a href="../../../../org/apache/ignite/cluster/ClusterGroup.html#node--"><code>node()</code></a> method to get the oldest node.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group containing one oldest node from the current cluster group.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="forYoungest--"> |
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| <pre><a href="../../../../org/apache/ignite/cluster/ClusterGroup.html" title="interface in org.apache.ignite.cluster">ClusterGroup</a> forYoungest()</pre> |
| <div class="block">Creates a cluster group with one youngest node in the current cluster group. |
| The resulting cluster group is dynamic and will always pick the newest |
| node in the topology, even if more nodes entered after the cluster group |
| has been created.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Cluster group containing one youngest node from the current cluster group.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="nodes--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>nodes</h4> |
| <pre><a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>> nodes()</pre> |
| <div class="block">Gets the read-only collection of nodes in this cluster group.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>All nodes in this cluster group.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="node-java.util.UUID-"> |
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| <h4>node</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a> node(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a> nid)</pre> |
| <div class="block">Gets a node for given ID from this cluster group.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>nid</code> - Node ID.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Node with given ID from this cluster group or <code>null</code>, if such node does not exist.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="node--"> |
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| </a> |
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| <h4>node</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a> node()</pre> |
| <div class="block">Gets first node from the list of nodes in this cluster group. This method is specifically |
| useful for cluster groups with one node only.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>First node from the list of nodes in this cluster group or <code>null</code> if the cluster group is empty.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="hostNames--"> |
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| <ul class="blockList"> |
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| <h4>hostNames</h4> |
| <pre><a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> hostNames()</pre> |
| <div class="block">Gets the read-only collection of hostnames in this cluster group.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>All hostnames in this cluster group.</dd> |
| </dl> |
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| <h4>predicate</h4> |
| <pre><a href="../../../../org/apache/ignite/lang/IgnitePredicate.html" title="interface in org.apache.ignite.lang">IgnitePredicate</a><<a href="../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a>> predicate()</pre> |
| <div class="block">Gets predicate that defines a subset of nodes for this cluster group.</div> |
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| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Predicate that defines a subset of nodes for this cluster group.</dd> |
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| <h4>metrics</h4> |
| <pre><a href="../../../../org/apache/ignite/cluster/ClusterMetrics.html" title="interface in org.apache.ignite.cluster">ClusterMetrics</a> metrics() |
| throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre> |
| <div class="block">Gets a metrics snapshot for this cluster group.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Metrics snapshot.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - If this cluster group is empty.</dd> |
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