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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.model;
import java.util.concurrent.ForkJoinPool;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import org.apache.camel.spi.Metadata;
@XmlAccessorType(XmlAccessType.FIELD)
public class Resilience4jConfigurationCommon extends IdentifiedType {
@XmlAttribute
@Metadata(label = "circuitbreaker")
private String circuitBreakerRef;
@XmlAttribute
@Metadata(label = "circuitbreaker")
private String configRef;
@XmlAttribute
@Metadata(label = "circuitbreaker", defaultValue = "50")
private Float failureRateThreshold;
@XmlAttribute
@Metadata(label = "circuitbreaker", defaultValue = "10")
private Integer permittedNumberOfCallsInHalfOpenState;
@XmlAttribute
@Metadata(label = "circuitbreaker", defaultValue = "100")
private Integer slidingWindowSize;
@XmlAttribute
@Metadata(label = "circuitbreaker", defaultValue = "COUNT_BASED", enums = "TIME_BASED,COUNT_BASED")
private String slidingWindowType;
@XmlAttribute
@Metadata(label = "circuitbreaker", defaultValue = "100")
private Integer minimumNumberOfCalls;
@XmlAttribute
@Metadata(label = "circuitbreaker", defaultValue = "true")
private Boolean writableStackTraceEnabled;
@XmlAttribute
@Metadata(label = "circuitbreaker", defaultValue = "60")
private Integer waitDurationInOpenState;
@XmlAttribute
@Metadata(label = "circuitbreaker", defaultValue = "false")
private Boolean automaticTransitionFromOpenToHalfOpenEnabled;
@XmlAttribute
@Metadata(label = "circuitbreaker", defaultValue = "100")
private Float slowCallRateThreshold;
@XmlAttribute
@Metadata(label = "circuitbreaker", defaultValue = "60")
private Integer slowCallDurationThreshold;
@Metadata(label = "bulkhead", defaultValue = "false")
private Boolean bulkheadEnabled;
@Metadata(label = "bulkhead", defaultValue = "25")
private Integer bulkheadMaxConcurrentCalls;
@Metadata(label = "bulkhead", defaultValue = "0")
private Integer bulkheadMaxWaitDuration;
@Metadata(label = "timeout", defaultValue = "false")
private Boolean timeoutEnabled;
@Metadata(label = "timeout")
private String timeoutExecutorServiceRef;
@Metadata(label = "timeout", defaultValue = "1000")
private Integer timeoutDuration;
@Metadata(label = "timeout", defaultValue = "true")
private Boolean timeoutCancelRunningFuture;
// Getter/Setter
// -------------------------------------------------------------------------
public String getCircuitBreakerRef() {
return circuitBreakerRef;
}
/**
* Refers to an existing io.github.resilience4j.circuitbreaker.CircuitBreaker instance
* to lookup and use from the registry. When using this, then any other circuit breaker options
* are not in use.
*/
public void setCircuitBreakerRef(String circuitBreakerRef) {
this.circuitBreakerRef = circuitBreakerRef;
}
public String getConfigRef() {
return configRef;
}
/**
* Refers to an existing io.github.resilience4j.circuitbreaker.CircuitBreakerConfig instance
* to lookup and use from the registry.
*/
public void setConfigRef(String configRef) {
this.configRef = configRef;
}
public Float getFailureRateThreshold() {
return failureRateThreshold;
}
/**
* Configures the failure rate threshold in percentage.
* If the failure rate is equal or greater than the threshold the CircuitBreaker transitions to open and starts short-circuiting calls.
* <p>
* The threshold must be greater than 0 and not greater than 100. Default value is 50 percentage.
*/
public void setFailureRateThreshold(Float failureRateThreshold) {
this.failureRateThreshold = failureRateThreshold;
}
public Integer getPermittedNumberOfCallsInHalfOpenState() {
return permittedNumberOfCallsInHalfOpenState;
}
/**
* Configures the number of permitted calls when the CircuitBreaker is half open.
* <p>
* The size must be greater than 0. Default size is 10.
*/
public void setPermittedNumberOfCallsInHalfOpenState(Integer permittedNumberOfCallsInHalfOpenState) {
this.permittedNumberOfCallsInHalfOpenState = permittedNumberOfCallsInHalfOpenState;
}
public Integer getSlidingWindowSize() {
return slidingWindowSize;
}
/**
* Configures the size of the sliding window which is used to record the outcome of calls when the CircuitBreaker is closed.
* {@code slidingWindowSize} configures the size of the sliding window. Sliding window can either be count-based or time-based.
*
* If {@code slidingWindowType} is COUNT_BASED, the last {@code slidingWindowSize} calls are recorded and aggregated.
* If {@code slidingWindowType} is TIME_BASED, the calls of the last {@code slidingWindowSize} seconds are recorded and aggregated.
* <p>
* The {@code slidingWindowSize} must be greater than 0.
* The {@code minimumNumberOfCalls} must be greater than 0.
* If the slidingWindowType is COUNT_BASED, the {@code minimumNumberOfCalls} cannot be greater than {@code slidingWindowSize}.
* If the slidingWindowType is TIME_BASED, you can pick whatever you want.
*
* Default slidingWindowSize is 100.
*/
public void setSlidingWindowSize(Integer slidingWindowSize) {
this.slidingWindowSize = slidingWindowSize;
}
public String getSlidingWindowType() {
return slidingWindowType;
}
/**
* Configures the type of the sliding window which is used to record the outcome of calls when the CircuitBreaker is closed.
* Sliding window can either be count-based or time-based.
*
* If {@code slidingWindowType} is COUNT_BASED, the last {@code slidingWindowSize} calls are recorded and aggregated.
* If {@code slidingWindowType} is TIME_BASED, the calls of the last {@code slidingWindowSize} seconds are recorded and aggregated.
*
* Default slidingWindowType is COUNT_BASED.
*/
public void setSlidingWindowType(String slidingWindowType) {
this.slidingWindowType = slidingWindowType;
}
public Integer getMinimumNumberOfCalls() {
return minimumNumberOfCalls;
}
/**
* Configures configures the minimum number of calls which are required (per sliding window period) before the CircuitBreaker can calculate the error rate.
* For example, if {@code minimumNumberOfCalls} is 10, then at least 10 calls must be recorded, before the failure rate can be calculated.
* If only 9 calls have been recorded the CircuitBreaker will not transition to open even if all 9 calls have failed.
*
* Default minimumNumberOfCalls is 100
*/
public void setMinimumNumberOfCalls(Integer minimumNumberOfCalls) {
this.minimumNumberOfCalls = minimumNumberOfCalls;
}
public Boolean getWritableStackTraceEnabled() {
return writableStackTraceEnabled;
}
/**
* Enables writable stack traces. When set to false, Exception.getStackTrace returns a zero length array.
* This may be used to reduce log spam when the circuit breaker is open as the cause of the exceptions is already known (the circuit breaker is short-circuiting calls).
*/
public void setWritableStackTraceEnabled(Boolean writableStackTraceEnabled) {
this.writableStackTraceEnabled = writableStackTraceEnabled;
}
public Integer getWaitDurationInOpenState() {
return waitDurationInOpenState;
}
/**
* Configures the wait duration (in seconds) which specifies how long the CircuitBreaker should stay open, before it switches to half open.
* Default value is 60 seconds.
*/
public void setWaitDurationInOpenState(Integer waitDurationInOpenState) {
this.waitDurationInOpenState = waitDurationInOpenState;
}
public Boolean getAutomaticTransitionFromOpenToHalfOpenEnabled() {
return automaticTransitionFromOpenToHalfOpenEnabled;
}
/**
* Enables automatic transition from OPEN to HALF_OPEN state once the waitDurationInOpenState has passed.
*/
public void setAutomaticTransitionFromOpenToHalfOpenEnabled(Boolean automaticTransitionFromOpenToHalfOpenEnabled) {
this.automaticTransitionFromOpenToHalfOpenEnabled = automaticTransitionFromOpenToHalfOpenEnabled;
}
public Float getSlowCallRateThreshold() {
return slowCallRateThreshold;
}
/**
* Configures a threshold in percentage. The CircuitBreaker considers a call as slow when the call duration is greater than slowCallDurationThreshold(Duration.
* When the percentage of slow calls is equal or greater the threshold, the CircuitBreaker transitions to open and starts short-circuiting calls.
* <p>
* The threshold must be greater than 0 and not greater than 100.
* Default value is 100 percentage which means that all recorded calls must be slower than slowCallDurationThreshold.
*/
public void setSlowCallRateThreshold(Float slowCallRateThreshold) {
this.slowCallRateThreshold = slowCallRateThreshold;
}
public Integer getSlowCallDurationThreshold() {
return slowCallDurationThreshold;
}
/**
* Configures the duration threshold (seconds) above which calls are considered as slow and increase the slow calls percentage.
* Default value is 60 seconds.
*/
public void setSlowCallDurationThreshold(Integer slowCallDurationThreshold) {
this.slowCallDurationThreshold = slowCallDurationThreshold;
}
public Boolean getBulkheadEnabled() {
return bulkheadEnabled;
}
/**
* Whether bulkhead is enabled or not on the circuit breaker.
* Default is false.
*/
public void setBulkheadEnabled(Boolean bulkheadEnabled) {
this.bulkheadEnabled = bulkheadEnabled;
}
public Integer getBulkheadMaxConcurrentCalls() {
return bulkheadMaxConcurrentCalls;
}
/**
* Configures the max amount of concurrent calls the bulkhead will support.
*/
public void setBulkheadMaxConcurrentCalls(Integer bulkheadMaxConcurrentCalls) {
this.bulkheadMaxConcurrentCalls = bulkheadMaxConcurrentCalls;
}
public Integer getBulkheadMaxWaitDuration() {
return bulkheadMaxWaitDuration;
}
/**
* Configures a maximum amount of time which the calling thread will wait to enter the bulkhead. If bulkhead has space available, entry
* is guaranteed and immediate. If bulkhead is full, calling threads will contest for space, if it becomes available. maxWaitDuration can be set to 0.
* <p>
* Note: for threads running on an event-loop or equivalent (rx computation pool, etc), setting maxWaitDuration to 0 is highly recommended. Blocking
* an event-loop thread will most likely have a negative effect on application throughput.
*/
public void setBulkheadMaxWaitDuration(Integer bulkheadMaxWaitDuration) {
this.bulkheadMaxWaitDuration = bulkheadMaxWaitDuration;
}
public Boolean getTimeoutEnabled() {
return timeoutEnabled;
}
/**
* Whether timeout is enabled or not on the circuit breaker.
* Default is false.
*/
public void setTimeoutEnabled(Boolean timeoutEnabled) {
this.timeoutEnabled = timeoutEnabled;
}
public String getTimeoutExecutorServiceRef() {
return timeoutExecutorServiceRef;
}
/**
* References to a custom thread pool to use when timeout is enabled (uses {@link ForkJoinPool#commonPool()} by default)
*/
public void setTimeoutExecutorServiceRef(String timeoutExecutorServiceRef) {
this.timeoutExecutorServiceRef = timeoutExecutorServiceRef;
}
public Integer getTimeoutDuration() {
return timeoutDuration;
}
/**
* Configures the thread execution timeout.
* Default value is 1 second.
*/
public void setTimeoutDuration(Integer timeoutDuration) {
this.timeoutDuration = timeoutDuration;
}
public Boolean getTimeoutCancelRunningFuture() {
return timeoutCancelRunningFuture;
}
/**
* Configures whether cancel is called on the running future.
* Defaults to true.
*/
public void setTimeoutCancelRunningFuture(Boolean timeoutCancelRunningFuture) {
this.timeoutCancelRunningFuture = timeoutCancelRunningFuture;
}
}