/*
* Copyright 2012-2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with
* the License. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.amazonaws.services.elasticmapreduce.model;
import java.io.Serializable;
import javax.annotation.Generated;
import com.amazonaws.protocol.StructuredPojo;
import com.amazonaws.protocol.ProtocolMarshaller;
/**
* <p>
* A scale-in or scale-out rule that defines scaling activity, including the CloudWatch metric alarm that triggers
* activity, how EC2 instances are added or removed, and the periodicity of adjustments. The automatic scaling policy
* for an instance group can comprise one or more automatic scaling rules.
* </p>
*
* @see <a href="http://docs.aws.amazon.com/goto/WebAPI/elasticmapreduce-2009-03-31/ScalingRule" target="_top">AWS API
* Documentation</a>
*/
@Generated("com.amazonaws:aws-java-sdk-code-generator")
public class ScalingRule implements Serializable, Cloneable, StructuredPojo {
/**
* <p>
* The name used to identify an automatic scaling rule. Rule names must be unique within a scaling policy.
* </p>
*/
private String name;
/**
* <p>
* A friendly, more verbose description of the automatic scaling rule.
* </p>
*/
private String description;
/**
* <p>
* The conditions that trigger an automatic scaling activity.
* </p>
*/
private ScalingAction action;
/**
* <p>
* The CloudWatch alarm definition that determines when automatic scaling activity is triggered.
* </p>
*/
private ScalingTrigger trigger;
/**
* <p>
* The name used to identify an automatic scaling rule. Rule names must be unique within a scaling policy.
* </p>
*
* @param name
* The name used to identify an automatic scaling rule. Rule names must be unique within a scaling policy.
*/
public void setName(String name) {
this.name = name;
}
/**
* <p>
* The name used to identify an automatic scaling rule. Rule names must be unique within a scaling policy.
* </p>
*
* @return The name used to identify an automatic scaling rule. Rule names must be unique within a scaling policy.
*/
public String getName() {
return this.name;
}
/**
* <p>
* The name used to identify an automatic scaling rule. Rule names must be unique within a scaling policy.
* </p>
*
* @param name
* The name used to identify an automatic scaling rule. Rule names must be unique within a scaling policy.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public ScalingRule withName(String name) {
setName(name);
return this;
}
/**
* <p>
* A friendly, more verbose description of the automatic scaling rule.
* </p>
*
* @param description
* A friendly, more verbose description of the automatic scaling rule.
*/
public void setDescription(String description) {
this.description = description;
}
/**
* <p>
* A friendly, more verbose description of the automatic scaling rule.
* </p>
*
* @return A friendly, more verbose description of the automatic scaling rule.
*/
public String getDescription() {
return this.description;
}
/**
* <p>
* A friendly, more verbose description of the automatic scaling rule.
* </p>
*
* @param description
* A friendly, more verbose description of the automatic scaling rule.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public ScalingRule withDescription(String description) {
setDescription(description);
return this;
}
/**
* <p>
* The conditions that trigger an automatic scaling activity.
* </p>
*
* @param action
* The conditions that trigger an automatic scaling activity.
*/
public void setAction(ScalingAction action) {
this.action = action;
}
/**
* <p>
* The conditions that trigger an automatic scaling activity.
* </p>
*
* @return The conditions that trigger an automatic scaling activity.
*/
public ScalingAction getAction() {
return this.action;
}
/**
* <p>
* The conditions that trigger an automatic scaling activity.
* </p>
*
* @param action
* The conditions that trigger an automatic scaling activity.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public ScalingRule withAction(ScalingAction action) {
setAction(action);
return this;
}
/**
* <p>
* The CloudWatch alarm definition that determines when automatic scaling activity is triggered.
* </p>
*
* @param trigger
* The CloudWatch alarm definition that determines when automatic scaling activity is triggered.
*/
public void setTrigger(ScalingTrigger trigger) {
this.trigger = trigger;
}
/**
* <p>
* The CloudWatch alarm definition that determines when automatic scaling activity is triggered.
* </p>
*
* @return The CloudWatch alarm definition that determines when automatic scaling activity is triggered.
*/
public ScalingTrigger getTrigger() {
return this.trigger;
}
/**
* <p>
* The CloudWatch alarm definition that determines when automatic scaling activity is triggered.
* </p>
*
* @param trigger
* The CloudWatch alarm definition that determines when automatic scaling activity is triggered.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public ScalingRule withTrigger(ScalingTrigger trigger) {
setTrigger(trigger);
return this;
}
/**
* Returns a string representation of this object; useful for testing and debugging.
*
* @return A string representation of this object.
*
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("{");
if (getName() != null)
sb.append("Name: ").append(getName()).append(",");
if (getDescription() != null)
sb.append("Description: ").append(getDescription()).append(",");
if (getAction() != null)
sb.append("Action: ").append(getAction()).append(",");
if (getTrigger() != null)
sb.append("Trigger: ").append(getTrigger());
sb.append("}");
return sb.toString();
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (obj instanceof ScalingRule == false)
return false;
ScalingRule other = (ScalingRule) obj;
if (other.getName() == null ^ this.getName() == null)
return false;
if (other.getName() != null && other.getName().equals(this.getName()) == false)
return false;
if (other.getDescription() == null ^ this.getDescription() == null)
return false;
if (other.getDescription() != null && other.getDescription().equals(this.getDescription()) == false)
return false;
if (other.getAction() == null ^ this.getAction() == null)
return false;
if (other.getAction() != null && other.getAction().equals(this.getAction()) == false)
return false;
if (other.getTrigger() == null ^ this.getTrigger() == null)
return false;
if (other.getTrigger() != null && other.getTrigger().equals(this.getTrigger()) == false)
return false;
return true;
}
@Override
public int hashCode() {
final int prime = 31;
int hashCode = 1;
hashCode = prime * hashCode + ((getName() == null) ? 0 : getName().hashCode());
hashCode = prime * hashCode + ((getDescription() == null) ? 0 : getDescription().hashCode());
hashCode = prime * hashCode + ((getAction() == null) ? 0 : getAction().hashCode());
hashCode = prime * hashCode + ((getTrigger() == null) ? 0 : getTrigger().hashCode());
return hashCode;
}
@Override
public ScalingRule clone() {
try {
return (ScalingRule) super.clone();
} catch (CloneNotSupportedException e) {
throw new IllegalStateException("Got a CloneNotSupportedException from Object.clone() " + "even though we're Cloneable!", e);
}
}
@com.amazonaws.annotation.SdkInternalApi
@Override
public void marshall(ProtocolMarshaller protocolMarshaller) {
com.amazonaws.services.elasticmapreduce.model.transform.ScalingRuleMarshaller.getInstance().marshall(this, protocolMarshaller);
}
}