| /* |
| * 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.unomi.api.services; |
| |
| import org.apache.unomi.api.Item; |
| import org.apache.unomi.api.Metadata; |
| import org.apache.unomi.api.PartialList; |
| import org.apache.unomi.api.conditions.Condition; |
| import org.apache.unomi.api.query.Query; |
| import org.apache.unomi.api.rules.Rule; |
| import org.apache.unomi.api.rules.RuleStatistics; |
| |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * A service to access and operate on {@link Rule}s. |
| */ |
| public interface RulesService { |
| |
| /** |
| * Retrieves the metadata for all known rules. |
| * |
| * @return the Set of known metadata |
| */ |
| Set<Metadata> getRuleMetadatas(); |
| |
| /** |
| * Retrieves rule metadatas for rules matching the specified {@link Query}. |
| * |
| * @param query the query the rules which metadata we want to retrieve must match |
| * @return a {@link PartialList} of rules metadata for the rules matching the specified query |
| */ |
| PartialList<Metadata> getRuleMetadatas(Query query); |
| |
| /** |
| * Retrieves rule details for rules matching the specified query. |
| * |
| * @param query the query specifying which rules to retrieve |
| * @return a {@link PartialList} of rule details for the rules matching the specified query |
| */ |
| PartialList<Rule> getRuleDetails(Query query); |
| |
| /** |
| * Retrieves the rule identified by the specified identifier. |
| * |
| * @param ruleId the identifier of the rule we want to retrieve |
| * @return the rule identified by the specified identifier or {@code null} if no such rule exists. |
| */ |
| Rule getRule(String ruleId); |
| |
| /** |
| * Retrieves the statistics for a rule |
| * @param ruleId the identifier of the rule |
| * @return a long representing the number of times the rule was matched and executed. |
| */ |
| RuleStatistics getRuleStatistics(String ruleId); |
| |
| /** |
| * Retrieves the statistics for all the rules |
| * @return a map containing rule IDs as key, and the RuleStatistics object as a value |
| */ |
| Map<String,RuleStatistics> getAllRuleStatistics(); |
| |
| /** |
| * Resets all the rule statistics to zero, useful when testing or if you want to set a point in time. |
| */ |
| void resetAllRuleStatistics(); |
| |
| /** |
| * Persists the specified rule to the context server. |
| * |
| * @param rule the rule to be persisted |
| */ |
| void setRule(Rule rule); |
| |
| /** |
| * Deletes the rule identified by the specified identifier. |
| * |
| * @param ruleId the identifier of the rule we want to delete |
| */ |
| void removeRule(String ruleId); |
| |
| /** |
| * Retrieves tracked conditions (rules with a condition marked with the {@code trackedCondition} tag and which {@code sourceEventCondition} matches the specified item) for the |
| * specified item. |
| * |
| * @param item the item which tracked conditions we want to retrieve |
| * @return the Set of tracked conditions for the specified item |
| */ |
| Set<Condition> getTrackedConditions(Item item); |
| } |