com.avanza.astrix.ft.hystrix.HystrixBeanFaultTolerance Maven / Gradle / Ivy
/*
* Copyright 2014 Avanza Bank AB
*
* 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.avanza.astrix.ft.hystrix;
import java.util.function.Supplier;
import com.avanza.astrix.beans.ft.BeanFaultTolerance;
import com.avanza.astrix.core.function.CheckedCommand;
import com.netflix.hystrix.HystrixCommandGroupKey;
import com.netflix.hystrix.HystrixCommandKey;
import com.netflix.hystrix.HystrixCommandProperties;
import com.netflix.hystrix.HystrixCommandProperties.ExecutionIsolationStrategy;
import com.netflix.hystrix.HystrixObservableCommand.Setter;
import rx.Observable;
/**
*
* @author Elias Lindholm (elilin)
*
*/
final class HystrixBeanFaultTolerance implements BeanFaultTolerance {
private final Setter observableSettings;
private final com.netflix.hystrix.HystrixCommand.Setter commandSettings;
public HystrixBeanFaultTolerance(HystrixCommandKey commandKey, HystrixCommandGroupKey groupKey) {
observableSettings = Setter.withGroupKey(groupKey)
.andCommandKey(commandKey)
.andCommandPropertiesDefaults(
HystrixCommandProperties.Setter().withExecutionIsolationStrategy(ExecutionIsolationStrategy.SEMAPHORE));
commandSettings = com.netflix.hystrix.HystrixCommand.Setter.withGroupKey(groupKey)
.andCommandKey(commandKey)
.andCommandPropertiesDefaults(
HystrixCommandProperties.Setter().withExecutionIsolationStrategy(ExecutionIsolationStrategy.THREAD));
}
@Override
public Observable observe(Supplier> observable) {
return HystrixObservableCommandFacade.observe(observable, observableSettings);
}
@Override
public T execute(final CheckedCommand command) throws Throwable {
return HystrixCommandFacade.execute(command, commandSettings);
}
}