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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.messagebus;
/**
* To facilitate several configuration parameters to the {@link MessageBus#createSourceSession(ReplyHandler,
* SourceSessionParams)}, all parameters are held by this class. This class has reasonable default values for each
* parameter.
*
* @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen</a>
*/
public class SourceSessionParams {
private ReplyHandler replyHandler = null;
private ThrottlePolicy throttlePolicy = new DynamicThrottlePolicy();
private double timeout = 180.0;
/**
* Instantiates a parameter object with default values.
*/
public SourceSessionParams() {
// empty
}
/**
* Implements the copy constructor.
*
* @param params The object to copy.
*/
public SourceSessionParams(SourceSessionParams params) {
throttlePolicy = params.throttlePolicy;
timeout = params.timeout;
replyHandler = params.replyHandler;
}
/**
* Returns the policy to use for throttling output.
*
* @return The policy.
*/
public ThrottlePolicy getThrottlePolicy() {
return throttlePolicy;
}
/**
* Sets the policy to use for throttling output.
*
* @param throttlePolicy The policy to set.
* @return This, to allow chaining.
*/
public SourceSessionParams setThrottlePolicy(ThrottlePolicy throttlePolicy) {
this.throttlePolicy = throttlePolicy;
return this;
}
/**
* Returns the number of seconds a message can spend trying to succeed.
*
* @return The timeout in seconds.
*/
public double getTimeout() {
return timeout;
}
/**
* Sets the number of seconds a message can be attempted sent until it times out. This is the maximum allowed time
* for any message bus operation.
*
* @param timeout The numer of seconds allowed.
* @return This, to allow chaining.
*/
public SourceSessionParams setTimeout(double timeout) {
this.timeout = timeout;
return this;
}
/**
* Returns whether or not a reply handler has been assigned to this.
*
* @return True if a handler is set.
*/
boolean hasReplyHandler() {
return replyHandler != null;
}
/**
* Returns the handler to receive incoming replies.
*
* @return The handler.
*/
public ReplyHandler getReplyHandler() {
return replyHandler;
}
/**
* Sets the handler to recive incoming replies.
*
* @param handler The handler to set.
* @return This, to allow chaining.
*/
public SourceSessionParams setReplyHandler(ReplyHandler handler) {
replyHandler = handler;
return this;
}
}
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