/*
* Copyright 2017 Red Hat, Inc. and/or its affiliates.
*
* 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 org.jbpm.runtime.manager.impl.error;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.ServiceLoader;
import org.jbpm.process.instance.impl.NoOpExecutionErrorHandler;
import org.kie.internal.runtime.error.ExecutionErrorFilter;
import org.kie.internal.runtime.error.ExecutionErrorHandler;
import org.kie.internal.runtime.error.ExecutionErrorManager;
import org.kie.internal.runtime.error.ExecutionErrorStorage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ExecutionErrorManagerImpl implements ExecutionErrorManager {
private static final Logger logger = LoggerFactory.getLogger(ExecutionErrorManagerImpl.class);
private static ThreadLocal<ExecutionErrorHandler> handler = new ThreadLocal<>();
private List<ExecutionErrorFilter> filters = new ArrayList<>();
private ExecutionErrorStorage storage;
public ExecutionErrorManagerImpl(ExecutionErrorStorage storage) {
ServiceLoader<ExecutionErrorFilter> discoveredFilters = ServiceLoader.load(ExecutionErrorFilter.class);
discoveredFilters.forEach(filter -> filters.add(filter));
filters.sort((ExecutionErrorFilter f1, ExecutionErrorFilter f2) -> {
return f1.getPriority().compareTo(f2.getPriority());
});
logger.debug("Error handling filters {}", this.filters);
this.storage = storage;
logger.debug("Execution error storage {}", this.storage);
}
@Override
public ExecutionErrorHandler getHandler() {
ExecutionErrorHandler activeHandler = handler.get();
if (activeHandler == null) {
activeHandler = new NoOpExecutionErrorHandler();
}
return activeHandler;
}
@Override
public ExecutionErrorStorage getStorage() {
return storage;
}
public ExecutionErrorHandler createHandler() {
if (handler.get() == null) {
handler.set(new ExecutionErrorHandlerImpl(Collections.unmodifiableList(filters), storage));
}
return getHandler();
}
public void closeHandler() {
handler.set(null);
}
}