software.amazon.awssdk.services.emr.model.ScalingRule Maven / Gradle / Ivy
/*
* Copyright 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 software.amazon.awssdk.services.emr.model;
import java.io.Serializable;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.function.BiConsumer;
import java.util.function.Consumer;
import java.util.function.Function;
import software.amazon.awssdk.annotations.Generated;
import software.amazon.awssdk.core.SdkField;
import software.amazon.awssdk.core.SdkPojo;
import software.amazon.awssdk.core.protocol.MarshallLocation;
import software.amazon.awssdk.core.protocol.MarshallingType;
import software.amazon.awssdk.core.traits.LocationTrait;
import software.amazon.awssdk.utils.ToString;
import software.amazon.awssdk.utils.builder.CopyableBuilder;
import software.amazon.awssdk.utils.builder.ToCopyableBuilder;
/**
*
* 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.
*
*/
@Generated("software.amazon.awssdk:codegen")
public final class ScalingRule implements SdkPojo, Serializable, ToCopyableBuilder {
private static final SdkField NAME_FIELD = SdkField. builder(MarshallingType.STRING)
.getter(getter(ScalingRule::name)).setter(setter(Builder::name))
.traits(LocationTrait.builder().location(MarshallLocation.PAYLOAD).locationName("Name").build()).build();
private static final SdkField DESCRIPTION_FIELD = SdkField. builder(MarshallingType.STRING)
.getter(getter(ScalingRule::description)).setter(setter(Builder::description))
.traits(LocationTrait.builder().location(MarshallLocation.PAYLOAD).locationName("Description").build()).build();
private static final SdkField ACTION_FIELD = SdkField. builder(MarshallingType.SDK_POJO)
.getter(getter(ScalingRule::action)).setter(setter(Builder::action)).constructor(ScalingAction::builder)
.traits(LocationTrait.builder().location(MarshallLocation.PAYLOAD).locationName("Action").build()).build();
private static final SdkField TRIGGER_FIELD = SdkField. builder(MarshallingType.SDK_POJO)
.getter(getter(ScalingRule::trigger)).setter(setter(Builder::trigger)).constructor(ScalingTrigger::builder)
.traits(LocationTrait.builder().location(MarshallLocation.PAYLOAD).locationName("Trigger").build()).build();
private static final List> SDK_FIELDS = Collections.unmodifiableList(Arrays.asList(NAME_FIELD, DESCRIPTION_FIELD,
ACTION_FIELD, TRIGGER_FIELD));
private static final long serialVersionUID = 1L;
private final String name;
private final String description;
private final ScalingAction action;
private final ScalingTrigger trigger;
private ScalingRule(BuilderImpl builder) {
this.name = builder.name;
this.description = builder.description;
this.action = builder.action;
this.trigger = builder.trigger;
}
/**
*
* The name used to identify an automatic scaling rule. Rule names must be unique within a scaling policy.
*
*
* @return The name used to identify an automatic scaling rule. Rule names must be unique within a scaling policy.
*/
public String name() {
return name;
}
/**
*
* A friendly, more verbose description of the automatic scaling rule.
*
*
* @return A friendly, more verbose description of the automatic scaling rule.
*/
public String description() {
return description;
}
/**
*
* The conditions that trigger an automatic scaling activity.
*
*
* @return The conditions that trigger an automatic scaling activity.
*/
public ScalingAction action() {
return action;
}
/**
*
* The CloudWatch alarm definition that determines when automatic scaling activity is triggered.
*
*
* @return The CloudWatch alarm definition that determines when automatic scaling activity is triggered.
*/
public ScalingTrigger trigger() {
return trigger;
}
@Override
public Builder toBuilder() {
return new BuilderImpl(this);
}
public static Builder builder() {
return new BuilderImpl();
}
public static Class serializableBuilderClass() {
return BuilderImpl.class;
}
@Override
public int hashCode() {
int hashCode = 1;
hashCode = 31 * hashCode + Objects.hashCode(name());
hashCode = 31 * hashCode + Objects.hashCode(description());
hashCode = 31 * hashCode + Objects.hashCode(action());
hashCode = 31 * hashCode + Objects.hashCode(trigger());
return hashCode;
}
@Override
public boolean equals(Object obj) {
return equalsBySdkFields(obj);
}
@Override
public boolean equalsBySdkFields(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (!(obj instanceof ScalingRule)) {
return false;
}
ScalingRule other = (ScalingRule) obj;
return Objects.equals(name(), other.name()) && Objects.equals(description(), other.description())
&& Objects.equals(action(), other.action()) && Objects.equals(trigger(), other.trigger());
}
/**
* Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
* redacted from this string using a placeholder value.
*/
@Override
public String toString() {
return ToString.builder("ScalingRule").add("Name", name()).add("Description", description()).add("Action", action())
.add("Trigger", trigger()).build();
}
public Optional getValueForField(String fieldName, Class clazz) {
switch (fieldName) {
case "Name":
return Optional.ofNullable(clazz.cast(name()));
case "Description":
return Optional.ofNullable(clazz.cast(description()));
case "Action":
return Optional.ofNullable(clazz.cast(action()));
case "Trigger":
return Optional.ofNullable(clazz.cast(trigger()));
default:
return Optional.empty();
}
}
@Override
public List> sdkFields() {
return SDK_FIELDS;
}
private static Function getter(Function g) {
return obj -> g.apply((ScalingRule) obj);
}
private static BiConsumer setter(BiConsumer s) {
return (obj, val) -> s.accept((Builder) obj, val);
}
public interface Builder extends SdkPojo, CopyableBuilder {
/**
*
* The name used to identify an automatic scaling rule. Rule names must be unique within a scaling policy.
*
*
* @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.
*/
Builder name(String name);
/**
*
* A friendly, more verbose description of the automatic scaling rule.
*
*
* @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.
*/
Builder description(String description);
/**
*
* The conditions that trigger an automatic scaling activity.
*
*
* @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.
*/
Builder action(ScalingAction action);
/**
*
* The conditions that trigger an automatic scaling activity.
*
* This is a convenience that creates an instance of the {@link ScalingAction.Builder} avoiding the need to
* create one manually via {@link ScalingAction#builder()}.
*
* When the {@link Consumer} completes, {@link ScalingAction.Builder#build()} is called immediately and its
* result is passed to {@link #action(ScalingAction)}.
*
* @param action
* a consumer that will call methods on {@link ScalingAction.Builder}
* @return Returns a reference to this object so that method calls can be chained together.
* @see #action(ScalingAction)
*/
default Builder action(Consumer action) {
return action(ScalingAction.builder().applyMutation(action).build());
}
/**
*
* The CloudWatch alarm definition that determines when automatic scaling activity is triggered.
*
*
* @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.
*/
Builder trigger(ScalingTrigger trigger);
/**
*
* The CloudWatch alarm definition that determines when automatic scaling activity is triggered.
*
* This is a convenience that creates an instance of the {@link ScalingTrigger.Builder} avoiding the need to
* create one manually via {@link ScalingTrigger#builder()}.
*
* When the {@link Consumer} completes, {@link ScalingTrigger.Builder#build()} is called immediately and its
* result is passed to {@link #trigger(ScalingTrigger)}.
*
* @param trigger
* a consumer that will call methods on {@link ScalingTrigger.Builder}
* @return Returns a reference to this object so that method calls can be chained together.
* @see #trigger(ScalingTrigger)
*/
default Builder trigger(Consumer trigger) {
return trigger(ScalingTrigger.builder().applyMutation(trigger).build());
}
}
static final class BuilderImpl implements Builder {
private String name;
private String description;
private ScalingAction action;
private ScalingTrigger trigger;
private BuilderImpl() {
}
private BuilderImpl(ScalingRule model) {
name(model.name);
description(model.description);
action(model.action);
trigger(model.trigger);
}
public final String getName() {
return name;
}
@Override
public final Builder name(String name) {
this.name = name;
return this;
}
public final void setName(String name) {
this.name = name;
}
public final String getDescription() {
return description;
}
@Override
public final Builder description(String description) {
this.description = description;
return this;
}
public final void setDescription(String description) {
this.description = description;
}
public final ScalingAction.Builder getAction() {
return action != null ? action.toBuilder() : null;
}
@Override
public final Builder action(ScalingAction action) {
this.action = action;
return this;
}
public final void setAction(ScalingAction.BuilderImpl action) {
this.action = action != null ? action.build() : null;
}
public final ScalingTrigger.Builder getTrigger() {
return trigger != null ? trigger.toBuilder() : null;
}
@Override
public final Builder trigger(ScalingTrigger trigger) {
this.trigger = trigger;
return this;
}
public final void setTrigger(ScalingTrigger.BuilderImpl trigger) {
this.trigger = trigger != null ? trigger.build() : null;
}
@Override
public ScalingRule build() {
return new ScalingRule(this);
}
@Override
public List> sdkFields() {
return SDK_FIELDS;
}
}
}
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