/*
* 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>
* An automatic scaling policy for a core instance group or task instance group in an Amazon EMR cluster. An automatic
* scaling policy defines how an instance group dynamically adds and terminates EC2 instances in response to the value
* of a CloudWatch metric. See <a>PutAutoScalingPolicy</a>.
* </p>
*
* @see <a href="http://docs.aws.amazon.com/goto/WebAPI/elasticmapreduce-2009-03-31/AutoScalingPolicy" target="_top">AWS
* API Documentation</a>
*/
@Generated("com.amazonaws:aws-java-sdk-code-generator")
public class AutoScalingPolicy implements Serializable, Cloneable, StructuredPojo {
/**
* <p>
* The upper and lower EC2 instance limits for an automatic scaling policy. Automatic scaling activity will not
* cause an instance group to grow above or below these limits.
* </p>
*/
private ScalingConstraints constraints;
/**
* <p>
* The scale-in and scale-out rules that comprise the automatic scaling policy.
* </p>
*/
private com.amazonaws.internal.SdkInternalList<ScalingRule> rules;
/**
* <p>
* The upper and lower EC2 instance limits for an automatic scaling policy. Automatic scaling activity will not
* cause an instance group to grow above or below these limits.
* </p>
*
* @param constraints
* The upper and lower EC2 instance limits for an automatic scaling policy. Automatic scaling activity will
* not cause an instance group to grow above or below these limits.
*/
public void setConstraints(ScalingConstraints constraints) {
this.constraints = constraints;
}
/**
* <p>
* The upper and lower EC2 instance limits for an automatic scaling policy. Automatic scaling activity will not
* cause an instance group to grow above or below these limits.
* </p>
*
* @return The upper and lower EC2 instance limits for an automatic scaling policy. Automatic scaling activity will
* not cause an instance group to grow above or below these limits.
*/
public ScalingConstraints getConstraints() {
return this.constraints;
}
/**
* <p>
* The upper and lower EC2 instance limits for an automatic scaling policy. Automatic scaling activity will not
* cause an instance group to grow above or below these limits.
* </p>
*
* @param constraints
* The upper and lower EC2 instance limits for an automatic scaling policy. Automatic scaling activity will
* not cause an instance group to grow above or below these limits.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public AutoScalingPolicy withConstraints(ScalingConstraints constraints) {
setConstraints(constraints);
return this;
}
/**
* <p>
* The scale-in and scale-out rules that comprise the automatic scaling policy.
* </p>
*
* @return The scale-in and scale-out rules that comprise the automatic scaling policy.
*/
public java.util.List<ScalingRule> getRules() {
if (rules == null) {
rules = new com.amazonaws.internal.SdkInternalList<ScalingRule>();
}
return rules;
}
/**
* <p>
* The scale-in and scale-out rules that comprise the automatic scaling policy.
* </p>
*
* @param rules
* The scale-in and scale-out rules that comprise the automatic scaling policy.
*/
public void setRules(java.util.Collection<ScalingRule> rules) {
if (rules == null) {
this.rules = null;
return;
}
this.rules = new com.amazonaws.internal.SdkInternalList<ScalingRule>(rules);
}
/**
* <p>
* The scale-in and scale-out rules that comprise the automatic scaling policy.
* </p>
* <p>
* <b>NOTE:</b> This method appends the values to the existing list (if any). Use
* {@link #setRules(java.util.Collection)} or {@link #withRules(java.util.Collection)} if you want to override the
* existing values.
* </p>
*
* @param rules
* The scale-in and scale-out rules that comprise the automatic scaling policy.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public AutoScalingPolicy withRules(ScalingRule... rules) {
if (this.rules == null) {
setRules(new com.amazonaws.internal.SdkInternalList<ScalingRule>(rules.length));
}
for (ScalingRule ele : rules) {
this.rules.add(ele);
}
return this;
}
/**
* <p>
* The scale-in and scale-out rules that comprise the automatic scaling policy.
* </p>
*
* @param rules
* The scale-in and scale-out rules that comprise the automatic scaling policy.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public AutoScalingPolicy withRules(java.util.Collection<ScalingRule> rules) {
setRules(rules);
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 (getConstraints() != null)
sb.append("Constraints: ").append(getConstraints()).append(",");
if (getRules() != null)
sb.append("Rules: ").append(getRules());
sb.append("}");
return sb.toString();
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (obj instanceof AutoScalingPolicy == false)
return false;
AutoScalingPolicy other = (AutoScalingPolicy) obj;
if (other.getConstraints() == null ^ this.getConstraints() == null)
return false;
if (other.getConstraints() != null && other.getConstraints().equals(this.getConstraints()) == false)
return false;
if (other.getRules() == null ^ this.getRules() == null)
return false;
if (other.getRules() != null && other.getRules().equals(this.getRules()) == false)
return false;
return true;
}
@Override
public int hashCode() {
final int prime = 31;
int hashCode = 1;
hashCode = prime * hashCode + ((getConstraints() == null) ? 0 : getConstraints().hashCode());
hashCode = prime * hashCode + ((getRules() == null) ? 0 : getRules().hashCode());
return hashCode;
}
@Override
public AutoScalingPolicy clone() {
try {
return (AutoScalingPolicy) 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.AutoScalingPolicyMarshaller.getInstance().marshall(this, protocolMarshaller);
}
}