software.amazon.awssdk.services.emr.model.ScalingConstraints Maven / Gradle / Ivy

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The AWS Java SDK for Amazon EMR module holds the client classes that are used for communicating with Amazon Elastic MapReduce Service
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/*
 * Copyright 2014-2019 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.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;

/**
 * 
 * The upper and lower EC2 instance limits for an automatic scaling policy. Automatic scaling activities triggered by
 * automatic scaling rules will not cause an instance group to grow above or below these limits.
 * 
 */
@Generated("software.amazon.awssdk:codegen")
public final class ScalingConstraints implements SdkPojo, Serializable,
        ToCopyableBuilder {
    private static final SdkField MIN_CAPACITY_FIELD = SdkField. builder(MarshallingType.INTEGER)
            .getter(getter(ScalingConstraints::minCapacity)).setter(setter(Builder::minCapacity))
            .traits(LocationTrait.builder().location(MarshallLocation.PAYLOAD).locationName("MinCapacity").build()).build();

    private static final SdkField MAX_CAPACITY_FIELD = SdkField. builder(MarshallingType.INTEGER)
            .getter(getter(ScalingConstraints::maxCapacity)).setter(setter(Builder::maxCapacity))
            .traits(LocationTrait.builder().location(MarshallLocation.PAYLOAD).locationName("MaxCapacity").build()).build();

    private static final List> SDK_FIELDS = Collections.unmodifiableList(Arrays.asList(MIN_CAPACITY_FIELD,
            MAX_CAPACITY_FIELD));

    private static final long serialVersionUID = 1L;

    private final Integer minCapacity;

    private final Integer maxCapacity;

    private ScalingConstraints(BuilderImpl builder) {
        this.minCapacity = builder.minCapacity;
        this.maxCapacity = builder.maxCapacity;
    }

    /**
     * 
     * The lower boundary of EC2 instances in an instance group below which scaling activities are not allowed to
     * shrink. Scale-in activities will not terminate instances below this boundary.
     * 
     * 
     * @return The lower boundary of EC2 instances in an instance group below which scaling activities are not allowed
     *         to shrink. Scale-in activities will not terminate instances below this boundary.
     */
    public Integer minCapacity() {
        return minCapacity;
    }

    /**
     * 
     * The upper boundary of EC2 instances in an instance group beyond which scaling activities are not allowed to grow.
     * Scale-out activities will not add instances beyond this boundary.
     * 
     * 
     * @return The upper boundary of EC2 instances in an instance group beyond which scaling activities are not allowed
     *         to grow. Scale-out activities will not add instances beyond this boundary.
     */
    public Integer maxCapacity() {
        return maxCapacity;
    }

    @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(minCapacity());
        hashCode = 31 * hashCode + Objects.hashCode(maxCapacity());
        return hashCode;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (!(obj instanceof ScalingConstraints)) {
            return false;
        }
        ScalingConstraints other = (ScalingConstraints) obj;
        return Objects.equals(minCapacity(), other.minCapacity()) && Objects.equals(maxCapacity(), other.maxCapacity());
    }

    /**
     * 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("ScalingConstraints").add("MinCapacity", minCapacity()).add("MaxCapacity", maxCapacity()).build();
    }

    public  Optional getValueForField(String fieldName, Class clazz) {
        switch (fieldName) {
        case "MinCapacity":
            return Optional.ofNullable(clazz.cast(minCapacity()));
        case "MaxCapacity":
            return Optional.ofNullable(clazz.cast(maxCapacity()));
        default:
            return Optional.empty();
        }
    }

    @Override
    public List> sdkFields() {
        return SDK_FIELDS;
    }

    private static  Function getter(Function g) {
        return obj -> g.apply((ScalingConstraints) obj);
    }

    private static  BiConsumer setter(BiConsumer s) {
        return (obj, val) -> s.accept((Builder) obj, val);
    }

    public interface Builder extends SdkPojo, CopyableBuilder {
        /**
         * 
         * The lower boundary of EC2 instances in an instance group below which scaling activities are not allowed to
         * shrink. Scale-in activities will not terminate instances below this boundary.
         * 
         * 
         * @param minCapacity
         *        The lower boundary of EC2 instances in an instance group below which scaling activities are not
         *        allowed to shrink. Scale-in activities will not terminate instances below this boundary.
         * @return Returns a reference to this object so that method calls can be chained together.
         */
        Builder minCapacity(Integer minCapacity);

        /**
         * 
         * The upper boundary of EC2 instances in an instance group beyond which scaling activities are not allowed to
         * grow. Scale-out activities will not add instances beyond this boundary.
         * 
         * 
         * @param maxCapacity
         *        The upper boundary of EC2 instances in an instance group beyond which scaling activities are not
         *        allowed to grow. Scale-out activities will not add instances beyond this boundary.
         * @return Returns a reference to this object so that method calls can be chained together.
         */
        Builder maxCapacity(Integer maxCapacity);
    }

    static final class BuilderImpl implements Builder {
        private Integer minCapacity;

        private Integer maxCapacity;

        private BuilderImpl() {
        }

        private BuilderImpl(ScalingConstraints model) {
            minCapacity(model.minCapacity);
            maxCapacity(model.maxCapacity);
        }

        public final Integer getMinCapacity() {
            return minCapacity;
        }

        @Override
        public final Builder minCapacity(Integer minCapacity) {
            this.minCapacity = minCapacity;
            return this;
        }

        public final void setMinCapacity(Integer minCapacity) {
            this.minCapacity = minCapacity;
        }

        public final Integer getMaxCapacity() {
            return maxCapacity;
        }

        @Override
        public final Builder maxCapacity(Integer maxCapacity) {
            this.maxCapacity = maxCapacity;
            return this;
        }

        public final void setMaxCapacity(Integer maxCapacity) {
            this.maxCapacity = maxCapacity;
        }

        @Override
        public ScalingConstraints build() {
            return new ScalingConstraints(this);
        }

        @Override
        public List> sdkFields() {
            return SDK_FIELDS;
        }
    }
}