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GG-37994 Session attributes propagated to task event.
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modules/core/src/main/java/org/apache/ignite/events/TaskEventV2.java
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| /* | ||
| * Copyright 2023 GridGain Systems, Inc. and Contributors. | ||
| * | ||
| * Licensed under the GridGain Community Edition License (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://www.gridgain.com/products/software/community-edition/gridgain-community-edition-license | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| package org.apache.ignite.events; | ||
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| import org.apache.ignite.cluster.ClusterNode; | ||
| import org.apache.ignite.internal.util.typedef.internal.S; | ||
| import org.apache.ignite.internal.util.typedef.internal.U; | ||
| import org.apache.ignite.lang.IgniteUuid; | ||
| import org.jetbrains.annotations.Nullable; | ||
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| import java.util.Map; | ||
| import java.util.UUID; | ||
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| /** | ||
| * Grid task event. | ||
| * <p> | ||
| * Grid events are used for notification about what happens within the grid. Note that by | ||
| * design Ignite keeps all events generated on the local node locally and it provides | ||
| * APIs for performing a distributed queries across multiple nodes: | ||
| * <ul> | ||
| * <li> | ||
| * {@link org.apache.ignite.IgniteEvents#remoteQuery(org.apache.ignite.lang.IgnitePredicate, long, int...)} - | ||
| * asynchronously querying events occurred on the nodes specified, including remote nodes. | ||
| * </li> | ||
| * <li> | ||
| * {@link org.apache.ignite.IgniteEvents#localQuery(org.apache.ignite.lang.IgnitePredicate, int...)} - | ||
| * querying only local events stored on this local node. | ||
| * </li> | ||
| * <li> | ||
| * {@link org.apache.ignite.IgniteEvents#localListen(org.apache.ignite.lang.IgnitePredicate, int...)} - | ||
| * listening to local grid events (events from remote nodes not included). | ||
| * </li> | ||
| * </ul> | ||
| * User can also wait for events using method {@link org.apache.ignite.IgniteEvents#waitForLocal(org.apache.ignite.lang.IgnitePredicate, int...)}. | ||
| * <h1 class="header">Events and Performance</h1> | ||
| * Note that by default all events in Ignite are enabled and therefore generated and stored | ||
| * by whatever event storage SPI is configured. Ignite can and often does generate thousands events per seconds | ||
| * under the load and therefore it creates a significant additional load on the system. If these events are | ||
| * not needed by the application this load is unnecessary and leads to significant performance degradation. | ||
| * <p> | ||
| * It is <b>highly recommended</b> to enable only those events that your application logic requires | ||
| * by using {@link org.apache.ignite.configuration.IgniteConfiguration#getIncludeEventTypes()} method in Ignite configuration. Note that certain | ||
| * events are required for Ignite's internal operations and such events will still be generated but not stored by | ||
| * event storage SPI if they are disabled in Ignite configuration. | ||
| * @see EventType#EVT_TASK_FAILED | ||
| * @see EventType#EVT_TASK_FINISHED | ||
| * @see EventType#EVT_TASK_REDUCED | ||
| * @see EventType#EVT_TASK_STARTED | ||
| * @see EventType#EVT_TASK_SESSION_ATTR_SET | ||
| * @see EventType#EVT_TASK_TIMEDOUT | ||
| * @see EventType#EVTS_TASK_EXECUTION | ||
| */ | ||
| public class TaskEventV2 extends TaskEvent { | ||
| /** */ | ||
| private static final long serialVersionUID = 0L; | ||
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| /** */ | ||
| private Map<Object, Object> attributes; | ||
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| /** | ||
| * | ||
| * @param node Node. | ||
| * @param msg Optional message. | ||
| * @param type Event type. | ||
| * @param sesId Task session ID. | ||
| * @param taskName Task name. | ||
| * @param taskClsName Task class name. | ||
| * @param internal Task is internal. | ||
| * @param subjId Subject ID. | ||
| * @param attributes Task session attributes. | ||
| */ | ||
| public TaskEventV2(ClusterNode node, String msg, int type, IgniteUuid sesId, String taskName, String taskClsName, | ||
| boolean internal, @Nullable UUID subjId, Map<Object, Object> attributes) { | ||
| super(node, msg, type, sesId, taskName, taskClsName, internal, subjId); | ||
| this.attributes = attributes; | ||
| } | ||
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| /** | ||
| * Gets map of attributes from attached task session. | ||
| * | ||
| * @return Attributes from task session. | ||
| */ | ||
| public Map<Object, Object> attributes() { | ||
| return attributes; | ||
| } | ||
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| /** {@inheritDoc} */ | ||
| @Override public String toString() { | ||
| return S.toString(TaskEventV2.class, this, | ||
| "nodeId8", U.id8(node().id()), | ||
| "msg", message(), | ||
| "type", name(), | ||
| "attributes", attributes(), | ||
| "tstamp", timestamp()); | ||
| } | ||
| } |
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