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Clean-up async update listening interface
Introduced listening activity handle to identify particular activity to be stopped via stopListeningForAsyncUpdates() method. Also now supporting multiple async update sources for a given resource.
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53 changes: 53 additions & 0 deletions
53
...l/src/main/java/com/evolveum/midpoint/provisioning/impl/AsyncUpdateListeningRegistry.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| /* | ||
| * Copyright (c) 2010-2019 Evolveum | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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|
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| package com.evolveum.midpoint.provisioning.impl; | ||
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| import com.evolveum.midpoint.provisioning.ucf.api.ListeningActivity; | ||
| import org.jetbrains.annotations.NotNull; | ||
| import org.springframework.stereotype.Component; | ||
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| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.concurrent.atomic.AtomicLong; | ||
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| /** | ||
| * Keeps track of active async update listening activities. | ||
| * Externally visible methods are synchronized to ensure thread safety. | ||
| */ | ||
| @Component | ||
| public class AsyncUpdateListeningRegistry { | ||
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| private AtomicLong counter = new AtomicLong(0); | ||
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| private Map<String, ListeningActivity> listeningActivities = new HashMap<>(); | ||
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| @NotNull | ||
| synchronized String registerListeningActivity(ListeningActivity activity) { | ||
| String handle = String.valueOf(counter.incrementAndGet()); | ||
| listeningActivities.put(handle, activity); | ||
| return handle; | ||
| } | ||
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| synchronized ListeningActivity getListeningActivity(@NotNull String handle) { | ||
| ListeningActivity listeningActivity = listeningActivities.get(handle); | ||
| if (listeningActivity == null) { | ||
| throw new IllegalArgumentException("Listening activity handle " + handle + " is unknown at this moment"); | ||
| } | ||
| listeningActivities.remove(handle); | ||
| return listeningActivity; | ||
| } | ||
| } |
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