binding/mdsal-binding-dom-adapter/src/test/java/org/opendaylight/mdsal/binding/dom/adapter/query/QueryPerformanceTest.java

   1 /*
   2  * Copyright (c) 2020 PANTHEON.tech, s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.mdsal.binding.dom.adapter.query;
   9
  10 import static org.hamcrest.CoreMatchers.instanceOf;
  11 import static org.hamcrest.MatcherAssert.assertThat;
  12 import static org.junit.Assert.assertNotNull;
  13 import static org.junit.Assert.assertTrue;
  14
  15 import com.google.common.base.Stopwatch;
  16 import com.google.common.util.concurrent.FluentFuture;
  17 import java.util.Optional;
  18 import java.util.ServiceLoader;
  19 import java.util.concurrent.ExecutionException;
  20 import org.eclipse.jdt.annotation.NonNull;
  21 import org.junit.AfterClass;
  22 import org.junit.BeforeClass;
  23 import org.junit.Test;
  24 import org.opendaylight.mdsal.binding.api.DataBroker;
  25 import org.opendaylight.mdsal.binding.api.QueryReadTransaction;
  26 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  27 import org.opendaylight.mdsal.binding.api.WriteTransaction;
  28 import org.opendaylight.mdsal.binding.api.query.QueryExpression;
  29 import org.opendaylight.mdsal.binding.api.query.QueryFactory;
  30 import org.opendaylight.mdsal.binding.api.query.QueryResult;
  31 import org.opendaylight.mdsal.binding.dom.adapter.test.AbstractDataBrokerTest;
  32 import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTreeFactory;
  33 import org.opendaylight.mdsal.binding.runtime.api.BindingRuntimeContext;
  34 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  35 import org.opendaylight.yang.gen.v1.mdsal.query.norev.Foo;
  36 import org.opendaylight.yang.gen.v1.mdsal.query.norev.FooBuilder;
  37 import org.opendaylight.yang.gen.v1.mdsal.query.norev.first.grp.System;
  38 import org.opendaylight.yang.gen.v1.mdsal.query.norev.first.grp.SystemBuilder;
  39 import org.opendaylight.yang.gen.v1.mdsal.query.norev.first.grp.SystemKey;
  40 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  41 import org.opendaylight.yangtools.yang.binding.util.BindingMap;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 public class QueryPerformanceTest extends AbstractDataBrokerTest {
  46     private static final Logger LOG = LoggerFactory.getLogger(QueryPerformanceTest.class);
  47     private static final int SYSTEM_COUNT = 1_000_000;
  48     private static Foo FOO;
  49
  50     private QueryFactory factory;
  51
  52     @BeforeClass
  53     public static void beforeClass() {
  54         final Stopwatch sw = Stopwatch.createStarted();
  55         final BindingMap.Builder<SystemKey, System> builder = BindingMap.builder(SYSTEM_COUNT);
  56
  57         for (int i = 0; i < SYSTEM_COUNT; ++i) {
  58             builder.add(new SystemBuilder().setName("name" + i).setAlias("alias" + i).build());
  59         }
  60
  61         FOO = new FooBuilder().setSystem(builder.build()).build();
  62         LOG.info("Test data with {} items built in {}", SYSTEM_COUNT, sw);
  63     }
  64
  65     @AfterClass
  66     public static void afterClass() {
  67         FOO = null;
  68     }
  69
  70     @Override
  71     protected void setupWithRuntimeContext(final BindingRuntimeContext runtimeContext) {
  72         super.setupWithRuntimeContext(runtimeContext);
  73         factory = new DefaultQueryFactory(ServiceLoader.load(BindingCodecTreeFactory.class).findFirst().orElseThrow()
  74             .create(runtimeContext));
  75     }
  76
  77     @Override
  78     protected void setupWithDataBroker(final DataBroker dataBroker) {
  79         final Stopwatch sw = Stopwatch.createStarted();
  80         WriteTransaction wtx = dataBroker.newWriteOnlyTransaction();
  81         wtx.put(LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.create(Foo.class), FOO);
  82         assertCommit(wtx.commit());
  83         LOG.info("Test data with {} items populated in {}", SYSTEM_COUNT, sw);
  84     }
  85
  86     @Test
  87     public void queryLessThanAlarm() throws InterruptedException, ExecutionException {
  88         final String needle = "alias" + (SYSTEM_COUNT - 1);
  89
  90         final Stopwatch sw = Stopwatch.createStarted();
  91         final QueryExpression<System> query = factory.querySubtree(InstanceIdentifier.create(Foo.class))
  92             .extractChild(System.class)
  93                 .matching()
  94                     .leaf(System::getAlias).valueEquals(needle)
  95                 .build();
  96         LOG.info("Query built in {}", sw);
  97
  98         sw.reset().start();
  99         final FluentFuture<QueryResult<@NonNull System>> future;
 100         try (ReadTransaction rtx = getDataBroker().newReadOnlyTransaction()) {
 101             assertThat(rtx, instanceOf(QueryReadTransaction.class));
 102             future = ((QueryReadTransaction) rtx).execute(LogicalDatastoreType.CONFIGURATION, query);
 103         }
 104
 105         final QueryResult<@NonNull System> result = future.get();
 106         LOG.info("Query executed {} in {}", future, sw);
 107
 108         assertTrue(result.stream().findAny().isPresent());
 109         LOG.info("Query result in {}", sw);
 110     }
 111
 112     @Test
 113     public void searchLessThanAlarm() throws InterruptedException, ExecutionException {
 114         final String needle = "alias" + (SYSTEM_COUNT - 1);
 115
 116         final Stopwatch sw = Stopwatch.createStarted();
 117         final FluentFuture<Optional<Foo>> future;
 118         try (ReadTransaction rtx = getDataBroker().newReadOnlyTransaction()) {
 119             future = rtx.read(LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.create(Foo.class));
 120         }
 121
 122         final Foo haystack = future.get().orElseThrow();
 123         LOG.info("Read executed in {}", sw);
 124
 125         Object result = null;
 126         for (System system : haystack.nonnullSystem().values()) {
 127             if (needle.equals(system.getAlias())) {
 128                 result = system;
 129                 break;
 130             }
 131         }
 132
 133         LOG.info("Search found {} in {}", result, sw);
 134         assertNotNull(result);
 135     }
 136 }