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/*
* 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 com.avanza.astrix.beans.config.BeanConfiguration;
import com.avanza.astrix.beans.core.AstrixBeanSettings;
import com.avanza.astrix.beans.core.AstrixBeanSettings.BooleanBeanSetting;
import com.avanza.astrix.beans.core.AstrixBeanSettings.IntBeanSetting;
import com.avanza.astrix.beans.core.AstrixBeanSettings.StringBeanSetting;
import com.netflix.hystrix.HystrixCommandKey;
import com.netflix.hystrix.HystrixCommandProperties;
import com.netflix.hystrix.strategy.properties.HystrixProperty;
final class AstrixCommandProperties extends HystrixCommandProperties {
private final ExecutionIsolationStrategy isolationStrategy;
private final DynamicPropertyAdapter executionTimeoutInMilliseconds;
private final HystrixProperty circuitBreakerEnabled;
private final HystrixProperty circuitBreakerErrorThresholdPercentage;
private final HystrixProperty circuitBreakerForceClosed;
private final HystrixProperty circuitBreakerForceOpen;
private final HystrixProperty circuitBreakerRequestVolumeThreshold;
private final HystrixProperty circuitBreakerSleepWindowInMilliseconds;
private final HystrixProperty executionIsolationSemaphoreMaxConcurrentRequests;
private final HystrixProperty executionIsolationThreadInterruptOnTimeout;
private final HystrixProperty executionIsolationThreadPoolKeyOverride;
private final HystrixProperty executionTimeoutEnabled;
private final HystrixProperty fallbackEnabled;
private final HystrixProperty metricsHealthSnapshotIntervalInMilliseconds;
private final HystrixProperty metricsRollingPercentileBucketSize;
private final HystrixProperty metricsRollingPercentileEnabled;
private final HystrixProperty metricsRollingPercentileWindowBuckets;
private final HystrixProperty metricsRollingPercentileWindowInMilliseconds;
private final HystrixProperty metricsRollingStatisticalWindowBuckets;
private final HystrixProperty metricsRollingStatisticalWindowInMilliseconds;
private final HystrixProperty requestCacheEnabled;
private final HystrixProperty requestLogEnabled;
AstrixCommandProperties(BeanConfiguration beanConfiguration, HystrixCommandKey key, com.netflix.hystrix.HystrixCommandProperties.Setter builder) {
super(key, builder);
this.isolationStrategy = builder.getExecutionIsolationStrategy();
// We create all these property adaptors here as each and every one results in creation of several temporary String objects.
// The alternative to this, to create the adaptors at call-time in the various methods of this class, results in large amounts
// of temporary objects and thus heavy GC load in systems with many astrix calls.
this.executionTimeoutInMilliseconds = new DynamicPropertyAdapter<>(beanConfiguration.get(AstrixBeanSettings.TIMEOUT));
this.circuitBreakerEnabled = new DynamicPropertyAdapter<>(beanConfiguration.get(new BooleanBeanSetting("faultTolerance.circuitBreakerEnabled", true)));
this.circuitBreakerErrorThresholdPercentage = new DynamicPropertyAdapter<>(beanConfiguration.get(new IntBeanSetting("faultTolerance.circuitBreakerErrorThresholdPercentage", 50)));
this.circuitBreakerForceClosed = new DynamicPropertyAdapter<>(beanConfiguration.get(new BooleanBeanSetting("faultTolerance.circuitBreakerForceClosed", false)));
this.circuitBreakerForceOpen = new DynamicPropertyAdapter<>(beanConfiguration.get(new BooleanBeanSetting("faultTolerance.circuitBreakerForceOpen", false)));
this.circuitBreakerRequestVolumeThreshold = new DynamicPropertyAdapter<>(beanConfiguration.get(new IntBeanSetting("faultTolerance.circuitBreakerRequestVolumeThreshold", 20)));
this.circuitBreakerSleepWindowInMilliseconds = new DynamicPropertyAdapter<>(beanConfiguration.get(new IntBeanSetting("faultTolerance.circuitBreakerSleepWindowInMilliseconds", 5000)));
this.executionIsolationSemaphoreMaxConcurrentRequests = new DynamicPropertyAdapter<>(beanConfiguration.get(AstrixBeanSettings.MAX_CONCURRENT_REQUESTS));
this.executionIsolationThreadInterruptOnTimeout = new DynamicPropertyAdapter<>(beanConfiguration.get(new BooleanBeanSetting("faultTolerance.executionIsolationThreadInterruptOnTimeout", true)));
this.executionIsolationThreadPoolKeyOverride = new DynamicPropertyAdapter<>(beanConfiguration.get(new StringBeanSetting("faultTolerance.executionIsolationThreadPoolKeyOverride", null)));
this.executionTimeoutEnabled = new DynamicPropertyAdapter<>(beanConfiguration.get(new BooleanBeanSetting("faultTolerance.executionTimeoutEnabled", true)));
this.fallbackEnabled = new DynamicPropertyAdapter<>(beanConfiguration.get(new BooleanBeanSetting("faultTolerance.fallbackEnabled", true)));
this.metricsHealthSnapshotIntervalInMilliseconds = new DynamicPropertyAdapter<>(beanConfiguration.get(new IntBeanSetting("faultTolerance.metricsHealthSnapshotIntervalInMilliseconds", 500)));
this.metricsRollingPercentileBucketSize = new DynamicPropertyAdapter<>(beanConfiguration.get(new IntBeanSetting("faultTolerance.metricsRollingPercentileBucketSize", 100)));
this.metricsRollingPercentileEnabled = new DynamicPropertyAdapter<>(beanConfiguration.get(new BooleanBeanSetting("faultTolerance.metricsRollingPercentileEnabled", true)));
this.metricsRollingPercentileWindowBuckets = new DynamicPropertyAdapter<>(beanConfiguration.get(new IntBeanSetting("faultTolerance.metricsRollingPercentileWindowBuckets", 6)));
this.metricsRollingPercentileWindowInMilliseconds = new DynamicPropertyAdapter<>(beanConfiguration.get(new IntBeanSetting("faultTolerance.metricsRollingPercentileWindowInMilliseconds", 60_000)));
this.metricsRollingStatisticalWindowBuckets = new DynamicPropertyAdapter<>(beanConfiguration.get(new IntBeanSetting("faultTolerance.metricsRollingStatisticalWindowBuckets", 10)));
this.metricsRollingStatisticalWindowInMilliseconds = new DynamicPropertyAdapter<>(beanConfiguration.get(new IntBeanSetting("faultTolerance.metricsRollingStatisticalWindowInMilliseconds", 10_000)));
this.requestCacheEnabled = new DynamicPropertyAdapter<>(beanConfiguration.get(new BooleanBeanSetting("faultTolerance.requestCacheEnabled", false)));
this.requestLogEnabled = new DynamicPropertyAdapter<>(beanConfiguration.get(new BooleanBeanSetting("faultTolerance.requestLogEnabled", false)));
}
@Override
public HystrixProperty executionTimeoutInMilliseconds() {
return executionTimeoutInMilliseconds;
}
@Override
public HystrixProperty circuitBreakerEnabled() {
return circuitBreakerEnabled;
}
@Override
public HystrixProperty circuitBreakerErrorThresholdPercentage() {
return circuitBreakerErrorThresholdPercentage;
}
@Override
public HystrixProperty circuitBreakerForceClosed() {
return circuitBreakerForceClosed;
}
@Override
public HystrixProperty circuitBreakerForceOpen() {
return circuitBreakerForceOpen;
}
@Override
public HystrixProperty circuitBreakerRequestVolumeThreshold() {
return circuitBreakerRequestVolumeThreshold;
}
@Override
public HystrixProperty circuitBreakerSleepWindowInMilliseconds() {
return circuitBreakerSleepWindowInMilliseconds;
}
@Override
public HystrixProperty executionIsolationSemaphoreMaxConcurrentRequests() {
return executionIsolationSemaphoreMaxConcurrentRequests;
}
@Override
public HystrixProperty executionIsolationStrategy() {
// Don't allow change isolation strategy at runtime
if (this.isolationStrategy != null) {
return HystrixProperty.Factory.asProperty(this.isolationStrategy);
}
return HystrixProperty.Factory.asProperty(ExecutionIsolationStrategy.THREAD);
}
@Override
public HystrixProperty executionIsolationThreadInterruptOnTimeout() {
return executionIsolationThreadInterruptOnTimeout;
}
@Override
public HystrixProperty executionIsolationThreadPoolKeyOverride() {
return executionIsolationThreadPoolKeyOverride;
}
@Override
@Deprecated
public HystrixProperty executionIsolationThreadTimeoutInMilliseconds() {
return executionTimeoutInMilliseconds();
}
@Override
public HystrixProperty executionTimeoutEnabled() {
return executionTimeoutEnabled;
}
@Override
public HystrixProperty fallbackEnabled() {
return fallbackEnabled;
}
@Override
public HystrixProperty fallbackIsolationSemaphoreMaxConcurrentRequests() {
/*
* Astrix does not use the fallback of HystrixCommand to do any unsafe operations, and
* we always want to call the getFallback method to get proper handling of a failed
* service invocation in Astrix, see HystrixCommandFacade/HystrixObservableCommandFacade.
*
*/
return HystrixProperty.Factory.asProperty(Integer.MAX_VALUE);
}
@Override
public HystrixProperty metricsHealthSnapshotIntervalInMilliseconds() {
return metricsHealthSnapshotIntervalInMilliseconds;
}
@Override
public HystrixProperty metricsRollingPercentileBucketSize() {
return metricsRollingPercentileBucketSize;
}
@Override
public HystrixProperty metricsRollingPercentileEnabled() {
return metricsRollingPercentileEnabled;
}
@Deprecated
@Override
public HystrixProperty metricsRollingPercentileWindow() {
return metricsRollingPercentileWindowInMilliseconds();
}
@Override
public HystrixProperty metricsRollingPercentileWindowBuckets() {
return metricsRollingPercentileWindowBuckets;
}
@Override
public HystrixProperty metricsRollingPercentileWindowInMilliseconds() {
return metricsRollingPercentileWindowInMilliseconds;
}
@Override
public HystrixProperty metricsRollingStatisticalWindowBuckets() {
return metricsRollingStatisticalWindowBuckets;
}
@Override
public HystrixProperty metricsRollingStatisticalWindowInMilliseconds() {
return metricsRollingStatisticalWindowInMilliseconds;
}
@Override
public HystrixProperty requestCacheEnabled() {
return requestCacheEnabled;
}
@Override
public HystrixProperty requestLogEnabled() {
return requestLogEnabled;
}
}
