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com.hazelcast.internal.serialization.impl.PortableHookLoader Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2016, Hazelcast, Inc. All Rights Reserved.
*
* 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.
*/
package com.hazelcast.internal.serialization.impl;
import com.hazelcast.logging.Logger;
import com.hazelcast.nio.serialization.ClassDefinition;
import com.hazelcast.nio.serialization.PortableFactory;
import com.hazelcast.internal.serialization.PortableHook;
import com.hazelcast.util.ExceptionUtil;
import com.hazelcast.util.ServiceLoader;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Collection;
import java.util.HashSet;
final class PortableHookLoader {
private static final String FACTORY_ID = "com.hazelcast.PortableHook";
private final Map configuredFactories;
private final Map factories = new HashMap();
private final Collection definitions = new HashSet();
private final ClassLoader classLoader;
PortableHookLoader(Map configuredFactories, ClassLoader classLoader) {
this.configuredFactories = configuredFactories;
this.classLoader = classLoader;
load();
}
private void load() {
try {
final Iterator hooks = ServiceLoader.iterator(PortableHook.class, FACTORY_ID, classLoader);
while (hooks.hasNext()) {
PortableHook hook = hooks.next();
final PortableFactory factory = hook.createFactory();
if (factory != null) {
register(hook.getFactoryId(), factory);
}
final Collection defs = hook.getBuiltinDefinitions();
if (defs != null && !defs.isEmpty()) {
definitions.addAll(defs);
}
}
} catch (Exception e) {
throw ExceptionUtil.rethrow(e);
}
if (configuredFactories != null) {
for (Map.Entry entry : configuredFactories.entrySet()) {
register(entry.getKey(), entry.getValue());
}
}
}
Map getFactories() {
return factories;
}
Collection getDefinitions() {
return definitions;
}
private void register(int factoryId, PortableFactory factory) {
final PortableFactory current = factories.get(factoryId);
if (current != null) {
if (current.equals(factory)) {
Logger.getLogger(getClass()).warning("PortableFactory[" + factoryId + "] is already registered! Skipping "
+ factory);
} else {
throw new IllegalArgumentException("PortableFactory[" + factoryId
+ "] is already registered! " + current + " -> " + factory);
}
} else {
factories.put(factoryId, factory);
}
}
}
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