apps/netconf-topology/src/main/java/org/opendaylight/netconf/topology/spi/NetconfTopologySchemaAssembler.java

   1 /*
   2  * Copyright (c) 2024 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.netconf.topology.spi;
   9
  10 import com.google.common.util.concurrent.ThreadFactoryBuilder;
  11 import java.util.concurrent.Executor;
  12 import java.util.concurrent.ThreadFactory;
  13 import java.util.concurrent.TimeUnit;
  14 import org.eclipse.jdt.annotation.NonNullByDefault;
  15 import org.opendaylight.controller.config.threadpool.util.FlexibleThreadPoolWrapper;
  16 import org.osgi.service.component.annotations.Activate;
  17 import org.osgi.service.component.annotations.Component;
  18 import org.osgi.service.component.annotations.Deactivate;
  19 import org.osgi.service.metatype.annotations.AttributeDefinition;
  20 import org.osgi.service.metatype.annotations.Designate;
  21 import org.osgi.service.metatype.annotations.ObjectClassDefinition;
  22
  23 @NonNullByDefault
  24 @Component(service = NetconfTopologySchemaAssembler.class, configurationPid = "org.opendaylight.netconf.topology")
  25 @Designate(ocd = NetconfTopologySchemaAssembler.Configuration.class)
  26 public final class NetconfTopologySchemaAssembler implements AutoCloseable {
  27     @ObjectClassDefinition
  28     public @interface Configuration {
  29         @AttributeDefinition(min = "0")
  30         int assembler$_$min$_$threads() default 1;
  31         @AttributeDefinition(min = "1")
  32         int assembler$_$max$_$threads() default 4;
  33         @AttributeDefinition(min = "0")
  34         long assembler$_$keep$_$alive$_$millis() default 60_000;
  35     }
  36
  37     private static final ThreadFactory THREAD_FACTORY = new ThreadFactoryBuilder()
  38         .setNameFormat("topology-schema-assembler-%d")
  39         .setDaemon(true)
  40         .build();
  41
  42     private final FlexibleThreadPoolWrapper threadPool;
  43
  44     public NetconfTopologySchemaAssembler(final int minThreads, final int maxThreads, final long keepAliveTime,
  45             final TimeUnit unit) {
  46         threadPool = new FlexibleThreadPoolWrapper(minThreads, maxThreads, keepAliveTime, unit, THREAD_FACTORY);
  47     }
  48
  49     @Activate
  50     public NetconfTopologySchemaAssembler(final Configuration config) {
  51         this(config.assembler$_$min$_$threads(), config.assembler$_$max$_$threads(),
  52             config.assembler$_$keep$_$alive$_$millis(), TimeUnit.MILLISECONDS);
  53     }
  54
  55     @Override
  56     @Deactivate
  57     public void close() {
  58         threadPool.close();
  59     }
  60
  61     Executor executor() {
  62         return threadPool.getExecutor();
  63     }
  64 }