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The SDK of JAVA language for Zuora pricing system
There is a newer version: 3.2.1
/*
 * Zuora API Reference
 * REST API reference for the Zuora Billing, Payments, and Central Platform! Check out the [REST API Overview](https://www.zuora.com/developer/api-references/api/overview/).
 *
 * The version of the OpenAPI document: 2024-05-20
 * Contact: [email protected]
 *
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */


package com.zuora.model;

import java.util.Objects;
import com.google.gson.TypeAdapter;
import com.google.gson.annotations.JsonAdapter;
import com.google.gson.annotations.SerializedName;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import java.io.IOException;
import java.math.BigDecimal;
import java.time.LocalDate;
import java.util.Arrays;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonArray;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import com.google.gson.TypeAdapterFactory;
import com.google.gson.reflect.TypeToken;
import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import java.io.IOException;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

import com.zuora.JSON;

/**
 * ExpandedPaymentSchedule
 */
@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.6.0")
public class ExpandedPaymentSchedule {
  public static final String SERIALIZED_NAME_ID = "id";
  @SerializedName(SERIALIZED_NAME_ID)
  private String id;

  public static final String SERIALIZED_NAME_CREATED_DATE = "createdDate";
  @SerializedName(SERIALIZED_NAME_CREATED_DATE)
  private String createdDate;

  public static final String SERIALIZED_NAME_UPDATED_DATE = "updatedDate";
  @SerializedName(SERIALIZED_NAME_UPDATED_DATE)
  private String updatedDate;

  public static final String SERIALIZED_NAME_CREATED_BY_ID = "createdById";
  @SerializedName(SERIALIZED_NAME_CREATED_BY_ID)
  private String createdById;

  public static final String SERIALIZED_NAME_UPDATED_BY_ID = "updatedById";
  @SerializedName(SERIALIZED_NAME_UPDATED_BY_ID)
  private String updatedById;

  public static final String SERIALIZED_NAME_NUMBER = "number";
  @SerializedName(SERIALIZED_NAME_NUMBER)
  private String number;

  public static final String SERIALIZED_NAME_ACCOUNT_ID = "accountId";
  @SerializedName(SERIALIZED_NAME_ACCOUNT_ID)
  private String accountId;

  public static final String SERIALIZED_NAME_INVOICE_ID = "invoiceId";
  @SerializedName(SERIALIZED_NAME_INVOICE_ID)
  private String invoiceId;

  public static final String SERIALIZED_NAME_DEBITMEMO_ID = "debitmemoId";
  @SerializedName(SERIALIZED_NAME_DEBITMEMO_ID)
  private String debitmemoId;

  public static final String SERIALIZED_NAME_PAYMENT_OPTION_ID = "paymentOptionId";
  @SerializedName(SERIALIZED_NAME_PAYMENT_OPTION_ID)
  private String paymentOptionId;

  public static final String SERIALIZED_NAME_START_DATE = "startDate";
  @SerializedName(SERIALIZED_NAME_START_DATE)
  private LocalDate startDate;

  public static final String SERIALIZED_NAME_RUN_HOUR = "runHour";
  @SerializedName(SERIALIZED_NAME_RUN_HOUR)
  private Integer runHour;

  public static final String SERIALIZED_NAME_PERIOD = "period";
  @SerializedName(SERIALIZED_NAME_PERIOD)
  private String period;

  public static final String SERIALIZED_NAME_PREPAYMENT = "prepayment";
  @SerializedName(SERIALIZED_NAME_PREPAYMENT)
  private Boolean prepayment;

  public static final String SERIALIZED_NAME_OCCURRENCES = "occurrences";
  @SerializedName(SERIALIZED_NAME_OCCURRENCES)
  private Integer occurrences;

  public static final String SERIALIZED_NAME_STATUS = "status";
  @SerializedName(SERIALIZED_NAME_STATUS)
  private String status;

  public static final String SERIALIZED_NAME_DESCRIPTION = "description";
  @SerializedName(SERIALIZED_NAME_DESCRIPTION)
  private String description;

  public static final String SERIALIZED_NAME_NEXT_PAYMENT_DATE = "nextPaymentDate";
  @SerializedName(SERIALIZED_NAME_NEXT_PAYMENT_DATE)
  private LocalDate nextPaymentDate;

  public static final String SERIALIZED_NAME_RECENT_PAYMENT_DATE = "recentPaymentDate";
  @SerializedName(SERIALIZED_NAME_RECENT_PAYMENT_DATE)
  private LocalDate recentPaymentDate;

  public static final String SERIALIZED_NAME_TOTAL_PAYMENTS_PROCESSED = "totalPaymentsProcessed";
  @SerializedName(SERIALIZED_NAME_TOTAL_PAYMENTS_PROCESSED)
  private Integer totalPaymentsProcessed;

  public static final String SERIALIZED_NAME_TOTAL_PAYMENTS_ERRORED = "totalPaymentsErrored";
  @SerializedName(SERIALIZED_NAME_TOTAL_PAYMENTS_ERRORED)
  private Integer totalPaymentsErrored;

  public static final String SERIALIZED_NAME_TOTAL_AMOUNT = "totalAmount";
  @SerializedName(SERIALIZED_NAME_TOTAL_AMOUNT)
  private BigDecimal totalAmount;

  public ExpandedPaymentSchedule() {
  }

  public ExpandedPaymentSchedule id(String id) {
    this.id = id;
    return this;
  }

  /**
   * Get id
   * @return id
   */
  @javax.annotation.Nullable
  public String getId() {
    return id;
  }

  public void setId(String id) {
    this.id = id;
  }


  public ExpandedPaymentSchedule createdDate(String createdDate) {
    this.createdDate = createdDate;
    return this;
  }

  /**
   * Get createdDate
   * @return createdDate
   */
  @javax.annotation.Nullable
  public String getCreatedDate() {
    return createdDate;
  }

  public void setCreatedDate(String createdDate) {
    this.createdDate = createdDate;
  }


  public ExpandedPaymentSchedule updatedDate(String updatedDate) {
    this.updatedDate = updatedDate;
    return this;
  }

  /**
   * Get updatedDate
   * @return updatedDate
   */
  @javax.annotation.Nullable
  public String getUpdatedDate() {
    return updatedDate;
  }

  public void setUpdatedDate(String updatedDate) {
    this.updatedDate = updatedDate;
  }


  public ExpandedPaymentSchedule createdById(String createdById) {
    this.createdById = createdById;
    return this;
  }

  /**
   * Get createdById
   * @return createdById
   */
  @javax.annotation.Nullable
  public String getCreatedById() {
    return createdById;
  }

  public void setCreatedById(String createdById) {
    this.createdById = createdById;
  }


  public ExpandedPaymentSchedule updatedById(String updatedById) {
    this.updatedById = updatedById;
    return this;
  }

  /**
   * Get updatedById
   * @return updatedById
   */
  @javax.annotation.Nullable
  public String getUpdatedById() {
    return updatedById;
  }

  public void setUpdatedById(String updatedById) {
    this.updatedById = updatedById;
  }


  public ExpandedPaymentSchedule number(String number) {
    this.number = number;
    return this;
  }

  /**
   * Get number
   * @return number
   */
  @javax.annotation.Nullable
  public String getNumber() {
    return number;
  }

  public void setNumber(String number) {
    this.number = number;
  }


  public ExpandedPaymentSchedule accountId(String accountId) {
    this.accountId = accountId;
    return this;
  }

  /**
   * Get accountId
   * @return accountId
   */
  @javax.annotation.Nullable
  public String getAccountId() {
    return accountId;
  }

  public void setAccountId(String accountId) {
    this.accountId = accountId;
  }


  public ExpandedPaymentSchedule invoiceId(String invoiceId) {
    this.invoiceId = invoiceId;
    return this;
  }

  /**
   * Get invoiceId
   * @return invoiceId
   */
  @javax.annotation.Nullable
  public String getInvoiceId() {
    return invoiceId;
  }

  public void setInvoiceId(String invoiceId) {
    this.invoiceId = invoiceId;
  }


  public ExpandedPaymentSchedule debitmemoId(String debitmemoId) {
    this.debitmemoId = debitmemoId;
    return this;
  }

  /**
   * Get debitmemoId
   * @return debitmemoId
   */
  @javax.annotation.Nullable
  public String getDebitmemoId() {
    return debitmemoId;
  }

  public void setDebitmemoId(String debitmemoId) {
    this.debitmemoId = debitmemoId;
  }


  public ExpandedPaymentSchedule paymentOptionId(String paymentOptionId) {
    this.paymentOptionId = paymentOptionId;
    return this;
  }

  /**
   * Get paymentOptionId
   * @return paymentOptionId
   */
  @javax.annotation.Nullable
  public String getPaymentOptionId() {
    return paymentOptionId;
  }

  public void setPaymentOptionId(String paymentOptionId) {
    this.paymentOptionId = paymentOptionId;
  }


  public ExpandedPaymentSchedule startDate(LocalDate startDate) {
    this.startDate = startDate;
    return this;
  }

  /**
   * Get startDate
   * @return startDate
   */
  @javax.annotation.Nullable
  public LocalDate getStartDate() {
    return startDate;
  }

  public void setStartDate(LocalDate startDate) {
    this.startDate = startDate;
  }


  public ExpandedPaymentSchedule runHour(Integer runHour) {
    this.runHour = runHour;
    return this;
  }

  /**
   * Get runHour
   * @return runHour
   */
  @javax.annotation.Nullable
  public Integer getRunHour() {
    return runHour;
  }

  public void setRunHour(Integer runHour) {
    this.runHour = runHour;
  }


  public ExpandedPaymentSchedule period(String period) {
    this.period = period;
    return this;
  }

  /**
   * Get period
   * @return period
   */
  @javax.annotation.Nullable
  public String getPeriod() {
    return period;
  }

  public void setPeriod(String period) {
    this.period = period;
  }


  public ExpandedPaymentSchedule prepayment(Boolean prepayment) {
    this.prepayment = prepayment;
    return this;
  }

  /**
   * Get prepayment
   * @return prepayment
   */
  @javax.annotation.Nullable
  public Boolean getPrepayment() {
    return prepayment;
  }

  public void setPrepayment(Boolean prepayment) {
    this.prepayment = prepayment;
  }


  public ExpandedPaymentSchedule occurrences(Integer occurrences) {
    this.occurrences = occurrences;
    return this;
  }

  /**
   * Get occurrences
   * @return occurrences
   */
  @javax.annotation.Nullable
  public Integer getOccurrences() {
    return occurrences;
  }

  public void setOccurrences(Integer occurrences) {
    this.occurrences = occurrences;
  }


  public ExpandedPaymentSchedule status(String status) {
    this.status = status;
    return this;
  }

  /**
   * Get status
   * @return status
   */
  @javax.annotation.Nullable
  public String getStatus() {
    return status;
  }

  public void setStatus(String status) {
    this.status = status;
  }


  public ExpandedPaymentSchedule description(String description) {
    this.description = description;
    return this;
  }

  /**
   * Get description
   * @return description
   */
  @javax.annotation.Nullable
  public String getDescription() {
    return description;
  }

  public void setDescription(String description) {
    this.description = description;
  }


  public ExpandedPaymentSchedule nextPaymentDate(LocalDate nextPaymentDate) {
    this.nextPaymentDate = nextPaymentDate;
    return this;
  }

  /**
   * Get nextPaymentDate
   * @return nextPaymentDate
   */
  @javax.annotation.Nullable
  public LocalDate getNextPaymentDate() {
    return nextPaymentDate;
  }

  public void setNextPaymentDate(LocalDate nextPaymentDate) {
    this.nextPaymentDate = nextPaymentDate;
  }


  public ExpandedPaymentSchedule recentPaymentDate(LocalDate recentPaymentDate) {
    this.recentPaymentDate = recentPaymentDate;
    return this;
  }

  /**
   * Get recentPaymentDate
   * @return recentPaymentDate
   */
  @javax.annotation.Nullable
  public LocalDate getRecentPaymentDate() {
    return recentPaymentDate;
  }

  public void setRecentPaymentDate(LocalDate recentPaymentDate) {
    this.recentPaymentDate = recentPaymentDate;
  }


  public ExpandedPaymentSchedule totalPaymentsProcessed(Integer totalPaymentsProcessed) {
    this.totalPaymentsProcessed = totalPaymentsProcessed;
    return this;
  }

  /**
   * Get totalPaymentsProcessed
   * @return totalPaymentsProcessed
   */
  @javax.annotation.Nullable
  public Integer getTotalPaymentsProcessed() {
    return totalPaymentsProcessed;
  }

  public void setTotalPaymentsProcessed(Integer totalPaymentsProcessed) {
    this.totalPaymentsProcessed = totalPaymentsProcessed;
  }


  public ExpandedPaymentSchedule totalPaymentsErrored(Integer totalPaymentsErrored) {
    this.totalPaymentsErrored = totalPaymentsErrored;
    return this;
  }

  /**
   * Get totalPaymentsErrored
   * @return totalPaymentsErrored
   */
  @javax.annotation.Nullable
  public Integer getTotalPaymentsErrored() {
    return totalPaymentsErrored;
  }

  public void setTotalPaymentsErrored(Integer totalPaymentsErrored) {
    this.totalPaymentsErrored = totalPaymentsErrored;
  }


  public ExpandedPaymentSchedule totalAmount(BigDecimal totalAmount) {
    this.totalAmount = totalAmount;
    return this;
  }

  /**
   * Get totalAmount
   * @return totalAmount
   */
  @javax.annotation.Nullable
  public BigDecimal getTotalAmount() {
    return totalAmount;
  }

  public void setTotalAmount(BigDecimal totalAmount) {
    this.totalAmount = totalAmount;
  }

  /**
   * A container for additional, undeclared properties.
   * This is a holder for any undeclared properties as specified with
   * the 'additionalProperties' keyword in the OAS document.
   */
  private Map additionalProperties;

  /**
   * Set the additional (undeclared) property with the specified name and value.
   * If the property does not already exist, create it otherwise replace it.
   *
   * @param key name of the property
   * @param value value of the property
   * @return the ExpandedPaymentSchedule instance itself
   */
  public ExpandedPaymentSchedule putAdditionalProperty(String key, Object value) {
    if (this.additionalProperties == null) {
        this.additionalProperties = new HashMap();
    }
    this.additionalProperties.put(key, value);
    return this;
  }

  /**
   * Return the additional (undeclared) property.
   *
   * @return a map of objects
   */
  public Map getAdditionalProperties() {
    return additionalProperties;
  }

  /**
   * Return the additional (undeclared) property with the specified name.
   *
   * @param key name of the property
   * @return an object
   */
  public Object getAdditionalProperty(String key) {
    if (this.additionalProperties == null) {
        return null;
    }
    return this.additionalProperties.get(key);
  }


  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    ExpandedPaymentSchedule expandedPaymentSchedule = (ExpandedPaymentSchedule) o;
    return Objects.equals(this.id, expandedPaymentSchedule.id) &&
        Objects.equals(this.createdDate, expandedPaymentSchedule.createdDate) &&
        Objects.equals(this.updatedDate, expandedPaymentSchedule.updatedDate) &&
        Objects.equals(this.createdById, expandedPaymentSchedule.createdById) &&
        Objects.equals(this.updatedById, expandedPaymentSchedule.updatedById) &&
        Objects.equals(this.number, expandedPaymentSchedule.number) &&
        Objects.equals(this.accountId, expandedPaymentSchedule.accountId) &&
        Objects.equals(this.invoiceId, expandedPaymentSchedule.invoiceId) &&
        Objects.equals(this.debitmemoId, expandedPaymentSchedule.debitmemoId) &&
        Objects.equals(this.paymentOptionId, expandedPaymentSchedule.paymentOptionId) &&
        Objects.equals(this.startDate, expandedPaymentSchedule.startDate) &&
        Objects.equals(this.runHour, expandedPaymentSchedule.runHour) &&
        Objects.equals(this.period, expandedPaymentSchedule.period) &&
        Objects.equals(this.prepayment, expandedPaymentSchedule.prepayment) &&
        Objects.equals(this.occurrences, expandedPaymentSchedule.occurrences) &&
        Objects.equals(this.status, expandedPaymentSchedule.status) &&
        Objects.equals(this.description, expandedPaymentSchedule.description) &&
        Objects.equals(this.nextPaymentDate, expandedPaymentSchedule.nextPaymentDate) &&
        Objects.equals(this.recentPaymentDate, expandedPaymentSchedule.recentPaymentDate) &&
        Objects.equals(this.totalPaymentsProcessed, expandedPaymentSchedule.totalPaymentsProcessed) &&
        Objects.equals(this.totalPaymentsErrored, expandedPaymentSchedule.totalPaymentsErrored) &&
        Objects.equals(this.totalAmount, expandedPaymentSchedule.totalAmount)&&
        Objects.equals(this.additionalProperties, expandedPaymentSchedule.additionalProperties);
  }

  @Override
  public int hashCode() {
    return Objects.hash(id, createdDate, updatedDate, createdById, updatedById, number, accountId, invoiceId, debitmemoId, paymentOptionId, startDate, runHour, period, prepayment, occurrences, status, description, nextPaymentDate, recentPaymentDate, totalPaymentsProcessed, totalPaymentsErrored, totalAmount, additionalProperties);
  }

  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder();
    sb.append("class ExpandedPaymentSchedule {\n");
    sb.append("    id: ").append(toIndentedString(id)).append("\n");
    sb.append("    createdDate: ").append(toIndentedString(createdDate)).append("\n");
    sb.append("    updatedDate: ").append(toIndentedString(updatedDate)).append("\n");
    sb.append("    createdById: ").append(toIndentedString(createdById)).append("\n");
    sb.append("    updatedById: ").append(toIndentedString(updatedById)).append("\n");
    sb.append("    number: ").append(toIndentedString(number)).append("\n");
    sb.append("    accountId: ").append(toIndentedString(accountId)).append("\n");
    sb.append("    invoiceId: ").append(toIndentedString(invoiceId)).append("\n");
    sb.append("    debitmemoId: ").append(toIndentedString(debitmemoId)).append("\n");
    sb.append("    paymentOptionId: ").append(toIndentedString(paymentOptionId)).append("\n");
    sb.append("    startDate: ").append(toIndentedString(startDate)).append("\n");
    sb.append("    runHour: ").append(toIndentedString(runHour)).append("\n");
    sb.append("    period: ").append(toIndentedString(period)).append("\n");
    sb.append("    prepayment: ").append(toIndentedString(prepayment)).append("\n");
    sb.append("    occurrences: ").append(toIndentedString(occurrences)).append("\n");
    sb.append("    status: ").append(toIndentedString(status)).append("\n");
    sb.append("    description: ").append(toIndentedString(description)).append("\n");
    sb.append("    nextPaymentDate: ").append(toIndentedString(nextPaymentDate)).append("\n");
    sb.append("    recentPaymentDate: ").append(toIndentedString(recentPaymentDate)).append("\n");
    sb.append("    totalPaymentsProcessed: ").append(toIndentedString(totalPaymentsProcessed)).append("\n");
    sb.append("    totalPaymentsErrored: ").append(toIndentedString(totalPaymentsErrored)).append("\n");
    sb.append("    totalAmount: ").append(toIndentedString(totalAmount)).append("\n");
    sb.append("    additionalProperties: ").append(toIndentedString(additionalProperties)).append("\n");
    sb.append("}");
    return sb.toString();
  }

  /**
   * Convert the given object to string with each line indented by 4 spaces
   * (except the first line).
   */
  private String toIndentedString(Object o) {
    if (o == null) {
      return "null";
    }
    return o.toString().replace("\n", "\n    ");
  }


  public static HashSet openapiFields;
  public static HashSet openapiRequiredFields;

  static {
    // a set of all properties/fields (JSON key names)
    openapiFields = new HashSet();
    openapiFields.add("id");
    openapiFields.add("createdDate");
    openapiFields.add("updatedDate");
    openapiFields.add("createdById");
    openapiFields.add("updatedById");
    openapiFields.add("number");
    openapiFields.add("accountId");
    openapiFields.add("invoiceId");
    openapiFields.add("debitmemoId");
    openapiFields.add("paymentOptionId");
    openapiFields.add("startDate");
    openapiFields.add("runHour");
    openapiFields.add("period");
    openapiFields.add("prepayment");
    openapiFields.add("occurrences");
    openapiFields.add("status");
    openapiFields.add("description");
    openapiFields.add("nextPaymentDate");
    openapiFields.add("recentPaymentDate");
    openapiFields.add("totalPaymentsProcessed");
    openapiFields.add("totalPaymentsErrored");
    openapiFields.add("totalAmount");

    // a set of required properties/fields (JSON key names)
    openapiRequiredFields = new HashSet();
  }

  /**
   * Validates the JSON Element and throws an exception if issues found
   *
   * @param jsonElement JSON Element
   * @throws IOException if the JSON Element is invalid with respect to ExpandedPaymentSchedule
   */
  public static void validateJsonElement(JsonElement jsonElement) throws IOException {
      if (jsonElement == null) {
        if (!ExpandedPaymentSchedule.openapiRequiredFields.isEmpty()) { // has required fields but JSON element is null
          throw new IllegalArgumentException(String.format("The required field(s) %s in ExpandedPaymentSchedule is not found in the empty JSON string", ExpandedPaymentSchedule.openapiRequiredFields.toString()));
        }
      }
        JsonObject jsonObj = jsonElement.getAsJsonObject();
      if ((jsonObj.get("id") != null && !jsonObj.get("id").isJsonNull()) && !jsonObj.get("id").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `id` to be a primitive type in the JSON string but got `%s`", jsonObj.get("id").toString()));
      }
      if ((jsonObj.get("createdDate") != null && !jsonObj.get("createdDate").isJsonNull()) && !jsonObj.get("createdDate").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `createdDate` to be a primitive type in the JSON string but got `%s`", jsonObj.get("createdDate").toString()));
      }
      if ((jsonObj.get("updatedDate") != null && !jsonObj.get("updatedDate").isJsonNull()) && !jsonObj.get("updatedDate").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `updatedDate` to be a primitive type in the JSON string but got `%s`", jsonObj.get("updatedDate").toString()));
      }
      if ((jsonObj.get("createdById") != null && !jsonObj.get("createdById").isJsonNull()) && !jsonObj.get("createdById").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `createdById` to be a primitive type in the JSON string but got `%s`", jsonObj.get("createdById").toString()));
      }
      if ((jsonObj.get("updatedById") != null && !jsonObj.get("updatedById").isJsonNull()) && !jsonObj.get("updatedById").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `updatedById` to be a primitive type in the JSON string but got `%s`", jsonObj.get("updatedById").toString()));
      }
      if ((jsonObj.get("number") != null && !jsonObj.get("number").isJsonNull()) && !jsonObj.get("number").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `number` to be a primitive type in the JSON string but got `%s`", jsonObj.get("number").toString()));
      }
      if ((jsonObj.get("accountId") != null && !jsonObj.get("accountId").isJsonNull()) && !jsonObj.get("accountId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `accountId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("accountId").toString()));
      }
      if ((jsonObj.get("invoiceId") != null && !jsonObj.get("invoiceId").isJsonNull()) && !jsonObj.get("invoiceId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `invoiceId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("invoiceId").toString()));
      }
      if ((jsonObj.get("debitmemoId") != null && !jsonObj.get("debitmemoId").isJsonNull()) && !jsonObj.get("debitmemoId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `debitmemoId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("debitmemoId").toString()));
      }
      if ((jsonObj.get("paymentOptionId") != null && !jsonObj.get("paymentOptionId").isJsonNull()) && !jsonObj.get("paymentOptionId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `paymentOptionId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("paymentOptionId").toString()));
      }
      if ((jsonObj.get("period") != null && !jsonObj.get("period").isJsonNull()) && !jsonObj.get("period").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `period` to be a primitive type in the JSON string but got `%s`", jsonObj.get("period").toString()));
      }
      if ((jsonObj.get("status") != null && !jsonObj.get("status").isJsonNull()) && !jsonObj.get("status").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `status` to be a primitive type in the JSON string but got `%s`", jsonObj.get("status").toString()));
      }
      if ((jsonObj.get("description") != null && !jsonObj.get("description").isJsonNull()) && !jsonObj.get("description").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `description` to be a primitive type in the JSON string but got `%s`", jsonObj.get("description").toString()));
      }
  }

  public static class CustomTypeAdapterFactory implements TypeAdapterFactory {
    @SuppressWarnings("unchecked")
    @Override
    public  TypeAdapter create(Gson gson, TypeToken type) {
       if (!ExpandedPaymentSchedule.class.isAssignableFrom(type.getRawType())) {
         return null; // this class only serializes 'ExpandedPaymentSchedule' and its subtypes
       }
       final TypeAdapter elementAdapter = gson.getAdapter(JsonElement.class);
       final TypeAdapter thisAdapter
                        = gson.getDelegateAdapter(this, TypeToken.get(ExpandedPaymentSchedule.class));

       return (TypeAdapter) new TypeAdapter() {
           @Override
           public void write(JsonWriter out, ExpandedPaymentSchedule value) throws IOException {
             JsonObject obj = thisAdapter.toJsonTree(value).getAsJsonObject();
             obj.remove("additionalProperties");

             // support null values
             out.beginObject();
             Iterator iterator = obj.entrySet().iterator();
             while(iterator.hasNext()) {
                 Map.Entry e = (Map.Entry) iterator.next();
                 out.name((String)e.getKey());
                 elementAdapter.write(out, e.getValue());
             }

             // end

             // serialize additional properties
             if (value.getAdditionalProperties() != null) {
               // support null values
               boolean oldSerializeNulls = out.getSerializeNulls();
               out.setSerializeNulls(true); //force serialize
               // end
               for (Map.Entry entry : value.getAdditionalProperties().entrySet()) {
                 if (entry.getValue() instanceof String)
                   obj.addProperty(entry.getKey(), (String) entry.getValue());
                 else if (entry.getValue() instanceof Number)
                   obj.addProperty(entry.getKey(), (Number) entry.getValue());
                 else if (entry.getValue() instanceof Boolean)
                   obj.addProperty(entry.getKey(), (Boolean) entry.getValue());
                 else if (entry.getValue() instanceof Character)
                   obj.addProperty(entry.getKey(), (Character) entry.getValue());
                 else if (entry.getValue() == null)
                    obj.add(entry.getKey(), null);
                 else {
                   JsonElement jsonElement = gson.toJsonTree(entry.getValue());
                   if (jsonElement.isJsonArray()) {
                     obj.add(entry.getKey(), jsonElement.getAsJsonArray());
                   } else {
                     obj.add(entry.getKey(), jsonElement.getAsJsonObject());
                   }
                 }
                 out.name((String)entry.getKey());
                 elementAdapter.write(out, obj.get(entry.getKey()));
               }
               out.setSerializeNulls(oldSerializeNulls); //restore
             }
             out.endObject();

           }

           @Override
           public ExpandedPaymentSchedule read(JsonReader in) throws IOException {
             JsonElement jsonElement = elementAdapter.read(in);
             validateJsonElement(jsonElement);
             JsonObject jsonObj = jsonElement.getAsJsonObject();
             // store additional fields in the deserialized instance
             ExpandedPaymentSchedule instance = thisAdapter.fromJsonTree(jsonObj);
             for (Map.Entry entry : jsonObj.entrySet()) {
               if (!openapiFields.contains(entry.getKey())) {
                 if (entry.getValue().isJsonPrimitive()) { // primitive type
                   if (entry.getValue().getAsJsonPrimitive().isString())
                     instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsString());
                   else if (entry.getValue().getAsJsonPrimitive().isNumber())
                     instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsNumber());
                   else if (entry.getValue().getAsJsonPrimitive().isBoolean())
                     instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsBoolean());
                   else
                     throw new IllegalArgumentException(String.format("The field `%s` has unknown primitive type. Value: %s", entry.getKey(), entry.getValue().toString()));
                 } else if (entry.getValue().isJsonArray()) {
                     instance.putAdditionalProperty(entry.getKey(), gson.fromJson(entry.getValue(), List.class));
                 } else { // JSON object
                     instance.putAdditionalProperty(entry.getKey(), gson.fromJson(entry.getValue(), HashMap.class));
                 }
               }
             }
             return instance;
           }

       }.nullSafe();
    }
  }

  /**
   * Create an instance of ExpandedPaymentSchedule given an JSON string
   *
   * @param jsonString JSON string
   * @return An instance of ExpandedPaymentSchedule
   * @throws IOException if the JSON string is invalid with respect to ExpandedPaymentSchedule
   */
  public static ExpandedPaymentSchedule fromJson(String jsonString) throws IOException {
    return JSON.getGson().fromJson(jsonString, ExpandedPaymentSchedule.class);
  }

  /**
   * Convert an instance of ExpandedPaymentSchedule to an JSON string
   *
   * @return JSON string
   */
  public String toJson() {
    return JSON.getGson().toJson(this);
  }
}