/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
package org.apache.ignite.spi.loadbalancing.roundrobin;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import org.apache.ignite.GridTestJob;
import org.apache.ignite.GridTestTaskSession;
import org.apache.ignite.cluster.ClusterNode;
import org.apache.ignite.compute.ComputeTaskSession;
import org.apache.ignite.events.TaskEvent;
import org.apache.ignite.lang.IgniteUuid;
import org.apache.ignite.testframework.GridSpiTestContext;
import org.apache.ignite.testframework.junits.spi.GridSpiAbstractTest;
import org.apache.ignite.testframework.junits.spi.GridSpiTest;
import static org.apache.ignite.events.EventType.EVT_TASK_FAILED;
import static org.apache.ignite.events.EventType.EVT_TASK_FINISHED;
/**
* Tests round robin load balancing SPI.
*/
@GridSpiTest(spi = RoundRobinLoadBalancingSpi.class, group = "Load Balancing SPI")
public class GridRoundRobinLoadBalancingSpiMultipleNodesSelfTest
extends GridSpiAbstractTest<RoundRobinLoadBalancingSpi> {
/** {@inheritDoc} */
@Override protected void spiConfigure(RoundRobinLoadBalancingSpi spi) throws Exception {
super.spiConfigure(spi);
spi.setPerTask(true);
}
/** {@inheritDoc} */
@Override protected GridSpiTestContext initSpiContext() throws Exception {
GridSpiTestContext spiCtx = super.initSpiContext();
spiCtx.createLocalNode();
spiCtx.createRemoteNodes(10);
return spiCtx;
}
/**
* @throws Exception If test failed.
*/
@SuppressWarnings({"ObjectEquality"})
public void testMultipleNodes() throws Exception {
List<ClusterNode> allNodes = (List<ClusterNode>)getSpiContext().nodes();
ComputeTaskSession ses = new GridTestTaskSession(IgniteUuid.randomUuid());
// Initialize.
getSpi().getBalancedNode(ses, allNodes, new GridTestJob());
List<UUID> orderedNodes = new ArrayList<>(getSpi().getNodeIds(ses));
// Check the round-robin actually did circle.
for (int i = 0; i < allNodes.size(); i++) {
ClusterNode node = getSpi().getBalancedNode(ses, allNodes, new GridTestJob());
assert orderedNodes.get(i) == node.id();
}
// Double-check.
for (int i = 0; i < allNodes.size(); i++) {
ClusterNode node = getSpi().getBalancedNode(ses, allNodes, new GridTestJob());
assert orderedNodes.get(i) == node.id();
}
}
/**
* @throws Exception If test failed.
*/
@SuppressWarnings({"ObjectEquality"})
public void testMultipleTasks() throws Exception {
ComputeTaskSession ses1 = new GridTestTaskSession(IgniteUuid.randomUuid());
ComputeTaskSession ses2 = new GridTestTaskSession(IgniteUuid.randomUuid());
List<ClusterNode> allNodes = (List<ClusterNode>)getSpiContext().nodes();
// Initialize.
getSpi().getBalancedNode(ses1, allNodes, new GridTestJob());
getSpi().getBalancedNode(ses2, allNodes, new GridTestJob());
List<UUID> orderedNodes1 = getSpi().getNodeIds(ses1);
List<UUID> orderedNodes2 = getSpi().getNodeIds(ses2);
assert orderedNodes1 != orderedNodes2;
// Check the round-robin actually did circle.
for (int i = 0; i < allNodes.size(); i++) {
ClusterNode node1 = getSpi().getBalancedNode(ses1, allNodes, new GridTestJob());
assert orderedNodes1.get(i) == node1.id();
ClusterNode node2 = getSpi().getBalancedNode(ses2, allNodes, new GridTestJob());
assert orderedNodes2.get(i) == node2.id();
assert orderedNodes1.get(i) == orderedNodes2.get(i);
}
// Double-check.
for (int i = 0; i < allNodes.size(); i++) {
ClusterNode node1 = getSpi().getBalancedNode(ses1, allNodes, new GridTestJob());
assert orderedNodes1.get(i) == node1.id();
ClusterNode node2 = getSpi().getBalancedNode(ses2, allNodes, new GridTestJob());
assert orderedNodes2.get(i) == node2.id();
assert orderedNodes1.get(i) == orderedNodes2.get(i);
}
getSpiContext().triggerEvent(new TaskEvent(
null, null, EVT_TASK_FINISHED, ses1.getId(), null, null, false, null));
getSpiContext().triggerEvent(new TaskEvent(
null, null, EVT_TASK_FAILED, ses2.getId(), null, null, false, null));
}
}