com.azure.resourcemanager.servicefabricmanagedclusters.models.ServicePlacementPolicy Maven / Gradle / Ivy

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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
// Code generated by Microsoft (R) AutoRest Code Generator.

package com.azure.resourcemanager.servicefabricmanagedclusters.models;

import com.azure.core.annotation.Immutable;
import com.azure.json.JsonReader;
import com.azure.json.JsonSerializable;
import com.azure.json.JsonToken;
import com.azure.json.JsonWriter;
import java.io.IOException;

/**
 * Describes the policy to be used for placement of a Service Fabric service.
 */
@Immutable
public class ServicePlacementPolicy implements JsonSerializable {
    /*
     * The type of placement policy for a service fabric service. Following are the possible values.
     */
    private ServicePlacementPolicyType type = ServicePlacementPolicyType.fromString("ServicePlacementPolicy");

    /**
     * Creates an instance of ServicePlacementPolicy class.
     */
    public ServicePlacementPolicy() {
    }

    /**
     * Get the type property: The type of placement policy for a service fabric service. Following are the possible
     * values.
     * 
     * @return the type value.
     */
    public ServicePlacementPolicyType type() {
        return this.type;
    }

    /**
     * Validates the instance.
     * 
     * @throws IllegalArgumentException thrown if the instance is not valid.
     */
    public void validate() {
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public JsonWriter toJson(JsonWriter jsonWriter) throws IOException {
        jsonWriter.writeStartObject();
        jsonWriter.writeStringField("type", this.type == null ? null : this.type.toString());
        return jsonWriter.writeEndObject();
    }

    /**
     * Reads an instance of ServicePlacementPolicy from the JsonReader.
     * 
     * @param jsonReader The JsonReader being read.
     * @return An instance of ServicePlacementPolicy if the JsonReader was pointing to an instance of it, or null if it
     * was pointing to JSON null.
     * @throws IOException If an error occurs while reading the ServicePlacementPolicy.
     */
    public static ServicePlacementPolicy fromJson(JsonReader jsonReader) throws IOException {
        return jsonReader.readObject(reader -> {
            String discriminatorValue = null;
            try (JsonReader readerToUse = reader.bufferObject()) {
                readerToUse.nextToken(); // Prepare for reading
                while (readerToUse.nextToken() != JsonToken.END_OBJECT) {
                    String fieldName = readerToUse.getFieldName();
                    readerToUse.nextToken();
                    if ("type".equals(fieldName)) {
                        discriminatorValue = readerToUse.getString();
                        break;
                    } else {
                        readerToUse.skipChildren();
                    }
                }
                // Use the discriminator value to determine which subtype should be deserialized.
                if ("InvalidDomain".equals(discriminatorValue)) {
                    return ServicePlacementInvalidDomainPolicy.fromJson(readerToUse.reset());
                } else if ("NonPartiallyPlaceService".equals(discriminatorValue)) {
                    return ServicePlacementNonPartiallyPlaceServicePolicy.fromJson(readerToUse.reset());
                } else if ("PreferredPrimaryDomain".equals(discriminatorValue)) {
                    return ServicePlacementPreferPrimaryDomainPolicy.fromJson(readerToUse.reset());
                } else if ("RequiredDomain".equals(discriminatorValue)) {
                    return ServicePlacementRequiredDomainPolicy.fromJson(readerToUse.reset());
                } else if ("RequiredDomainDistribution".equals(discriminatorValue)) {
                    return ServicePlacementRequireDomainDistributionPolicy.fromJson(readerToUse.reset());
                } else {
                    return fromJsonKnownDiscriminator(readerToUse.reset());
                }
            }
        });
    }

    static ServicePlacementPolicy fromJsonKnownDiscriminator(JsonReader jsonReader) throws IOException {
        return jsonReader.readObject(reader -> {
            ServicePlacementPolicy deserializedServicePlacementPolicy = new ServicePlacementPolicy();
            while (reader.nextToken() != JsonToken.END_OBJECT) {
                String fieldName = reader.getFieldName();
                reader.nextToken();

                if ("type".equals(fieldName)) {
                    deserializedServicePlacementPolicy.type = ServicePlacementPolicyType.fromString(reader.getString());
                } else {
                    reader.skipChildren();
                }
            }

            return deserializedServicePlacementPolicy;
        });
    }
}