io.joynr.messaging.AbstractMiddlewareMessagingStubFactory Maven / Gradle / Ivy
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/*
* #%L
* %%
* Copyright (C) 2011 - 2017 BMW Car IT GmbH
* %%
* 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.
* #L%
*/
package io.joynr.messaging;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.Map;
import joynr.system.RoutingTypes.Address;
abstract public class AbstractMiddlewareMessagingStubFactory {
private static final int MAX_SIZE = 100000;
private Map stubMap = new LinkedHashMap<>() {
protected boolean removeEldestEntry(Map.Entry eldest) {
return size() > MAX_SIZE;
}
};
protected abstract S createInternal(A address);
public synchronized IMessagingStub create(A address) {
S stub = stubMap.get(address);
if (stub == null) {
stub = createInternal(address);
stubMap.put(address, stub);
}
return stub;
}
protected Collection getAllMessagingStubs() {
return stubMap.values();
}
public int getMaxCacheSize() {
return MAX_SIZE;
}
public synchronized int getCacheSize() {
return stubMap.size();
}
public synchronized void clearCache() {
stubMap.clear();
}
}