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   1 /**
   2  * Copyright (c) 2010-2022 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13
  14 package org.openhab.automation.jsscripting.internal.threading;
  15
  16 import org.eclipse.jdt.annotation.NonNullByDefault;
  17 import org.openhab.core.automation.Rule;
  18 import org.openhab.core.automation.module.script.rulesupport.shared.ScriptedAutomationManager;
  19 import org.openhab.core.automation.module.script.rulesupport.shared.ScriptedHandler;
  20 import org.openhab.core.automation.module.script.rulesupport.shared.simple.SimpleActionHandler;
  21 import org.openhab.core.automation.module.script.rulesupport.shared.simple.SimpleConditionHandler;
  22 import org.openhab.core.automation.module.script.rulesupport.shared.simple.SimpleRule;
  23 import org.openhab.core.automation.module.script.rulesupport.shared.simple.SimpleTriggerHandler;
  24 import org.openhab.core.automation.type.ActionType;
  25 import org.openhab.core.automation.type.ConditionType;
  26 import org.openhab.core.automation.type.TriggerType;
  27
  28 /**
  29  * A replacement for {@link ScriptedAutomationManager} which wraps all rule registrations in a
  30  * {@link ThreadsafeSimpleRuleDelegate}. This means that all rules registered via this class with be run in serial per
  31  * instance of this class that they are registered with.
  32  *
  33  * @author Jonathan Gilbert - Initial contribution
  34  * @author Florian Hotze - Pass in lock object for multi-thread synchronization
  35  */
  36 @NonNullByDefault
  37 public class ThreadsafeWrappingScriptedAutomationManagerDelegate {
  38
  39     private ScriptedAutomationManager delegate;
  40     private final Object lock;
  41
  42     public ThreadsafeWrappingScriptedAutomationManagerDelegate(ScriptedAutomationManager delegate, Object lock) {
  43         this.delegate = delegate;
  44         this.lock = lock;
  45     }
  46
  47     public void removeModuleType(String UID) {
  48         delegate.removeModuleType(UID);
  49     }
  50
  51     public void removeHandler(String typeUID) {
  52         delegate.removeHandler(typeUID);
  53     }
  54
  55     public void removePrivateHandler(String privId) {
  56         delegate.removePrivateHandler(privId);
  57     }
  58
  59     public void removeAll() {
  60         delegate.removeAll();
  61     }
  62
  63     public Rule addRule(Rule element) {
  64         // wrap in a threadsafe version, safe per context
  65         if (element instanceof SimpleRule) {
  66             element = new ThreadsafeSimpleRuleDelegate(lock, (SimpleRule) element);
  67         }
  68
  69         return delegate.addRule(element);
  70     }
  71
  72     public void addConditionType(ConditionType condititonType) {
  73         delegate.addConditionType(condititonType);
  74     }
  75
  76     public void addConditionHandler(String uid, ScriptedHandler conditionHandler) {
  77         delegate.addConditionHandler(uid, conditionHandler);
  78     }
  79
  80     public String addPrivateConditionHandler(SimpleConditionHandler conditionHandler) {
  81         return delegate.addPrivateConditionHandler(conditionHandler);
  82     }
  83
  84     public void addActionType(ActionType actionType) {
  85         delegate.addActionType(actionType);
  86     }
  87
  88     public void addActionHandler(String uid, ScriptedHandler actionHandler) {
  89         delegate.addActionHandler(uid, actionHandler);
  90     }
  91
  92     public String addPrivateActionHandler(SimpleActionHandler actionHandler) {
  93         return delegate.addPrivateActionHandler(actionHandler);
  94     }
  95
  96     public void addTriggerType(TriggerType triggerType) {
  97         delegate.addTriggerType(triggerType);
  98     }
  99
 100     public void addTriggerHandler(String uid, ScriptedHandler triggerHandler) {
 101         delegate.addTriggerHandler(uid, triggerHandler);
 102     }
 103
 104     public String addPrivateTriggerHandler(SimpleTriggerHandler triggerHandler) {
 105         return delegate.addPrivateTriggerHandler(triggerHandler);
 106     }
 107 }