java.lang.Object
- com.adyen.model.tapi.MessageReference

```
public class MessageReference
extends Object
```
Identification of a previous POI transaction. To abort a transaction in progress or to request the status of a transaction from which no response has been received. It identifies the message header of the message request to abort or request the status.

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`JSON_PROPERTY_DEVICE_I_D`
`static String`	`JSON_PROPERTY_MESSAGE_CATEGORY`
`static String`	`JSON_PROPERTY_P_O_I_I_D`
`static String`	`JSON_PROPERTY_SALE_I_D`
`static String`	`JSON_PROPERTY_SERVICE_I_D`

Constructor Summary

Constructors
Constructor Description

MessageReference()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`MessageReference`	`deviceID(String deviceID)`	Identification of a device message pair.
`boolean`	`equals(Object o)`	Return true if this MessageReference object is equal to o.
`static MessageReference`	`fromJson(String jsonString)`	Create an instance of MessageReference given an JSON string
`String`	`getDeviceID()`	Identification of a device message pair.
`Map<String,Object>`	`getExplicitNulls()`	Returns a map of properties to be merged into the JSON payload as explicit null values.
`MessageCategory`	`getMessageCategory()`	Get messageCategory
`String`	`getPOIID()`	Identification of a POI System or a POI Terminal for the Sale to POI protocol.
`String`	`getSaleID()`	Identification of a Sale System or a Sale Terminal for the Sale to POI protocol. default MessageHeader.SaleID.
`String`	`getServiceID()`	Identification of a message pair, which processes a transaction.
`int`	`hashCode()`
`MessageReference`	`includeNullValues(boolean includeNullValues)`	Configures whether null values are explicitly serialized in the JSON payload.
`boolean`	`isIncludeNullValues()`	Returns whether null values are explicitly serialized in the JSON payload.
`MessageReference`	`messageCategory(MessageCategory messageCategory)`	messageCategory
`MessageReference`	`POIID(String POIID)`	Identification of a POI System or a POI Terminal for the Sale to POI protocol.
`MessageReference`	`saleID(String saleID)`	Identification of a Sale System or a Sale Terminal for the Sale to POI protocol. default MessageHeader.SaleID.
`MessageReference`	`serviceID(String serviceID)`	Identification of a message pair, which processes a transaction.
`void`	`setDeviceID(String deviceID)`	Identification of a device message pair.
`void`	`setIncludeNullValues(boolean includeNullValues)`	Sets whether null values should be explicitly serialized in the JSON payload.
`void`	`setMessageCategory(MessageCategory messageCategory)`	messageCategory
`void`	`setPOIID(String POIID)`	Identification of a POI System or a POI Terminal for the Sale to POI protocol.
`void`	`setSaleID(String saleID)`	Identification of a Sale System or a Sale Terminal for the Sale to POI protocol. default MessageHeader.SaleID.
`void`	`setServiceID(String serviceID)`	Identification of a message pair, which processes a transaction.
`String`	`toJson()`	Convert an instance of MessageReference to an JSON string
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - JSON_PROPERTY_MESSAGE_CATEGORY
```
public static final String JSON_PROPERTY_MESSAGE_CATEGORY
```
    See Also:
    
    Constant Field Values
  - JSON_PROPERTY_SERVICE_I_D
```
public static final String JSON_PROPERTY_SERVICE_I_D
```
    See Also:
    
    Constant Field Values
  - JSON_PROPERTY_DEVICE_I_D
```
public static final String JSON_PROPERTY_DEVICE_I_D
```
    See Also:
    
    Constant Field Values
  - JSON_PROPERTY_SALE_I_D
```
public static final String JSON_PROPERTY_SALE_I_D
```
    See Also:
    
    Constant Field Values
  - JSON_PROPERTY_P_O_I_I_D
```
public static final String JSON_PROPERTY_P_O_I_I_D
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - MessageReference
```
public MessageReference()
```
- Method Detail
  - messageCategory
```
public MessageReference messageCategory(MessageCategory messageCategory)
```
    messageCategory
    
    Parameters:
    
    messageCategory -
    
    Returns:
    
    the current MessageReference instance, allowing for method chaining
  - getMessageCategory
```
public MessageCategory getMessageCategory()
```
    Get messageCategory
    
    Returns:
    
    messageCategory
  - setMessageCategory
```
public void setMessageCategory(MessageCategory messageCategory)
```
    messageCategory
    
    Parameters:
    
    messageCategory -
  - serviceID
```
public MessageReference serviceID(String serviceID)
```
    Identification of a message pair, which processes a transaction.
    
    Parameters:
    
    serviceID - Identification of a message pair, which processes a transaction.
    
    Returns:
    
    the current MessageReference instance, allowing for method chaining
  - getServiceID
```
public String getServiceID()
```
    Identification of a message pair, which processes a transaction.
    
    Returns:
    
    serviceID Identification of a message pair, which processes a transaction.
  - setServiceID
```
public void setServiceID(String serviceID)
```
    Identification of a message pair, which processes a transaction.
    
    Parameters:
    
    serviceID - Identification of a message pair, which processes a transaction.
  - deviceID
```
public MessageReference deviceID(String deviceID)
```
    Identification of a device message pair.
    
    Parameters:
    
    deviceID - Identification of a device message pair.
    
    Returns:
    
    the current MessageReference instance, allowing for method chaining
  - getDeviceID
```
public String getDeviceID()
```
    Identification of a device message pair.
    
    Returns:
    
    deviceID Identification of a device message pair.
  - setDeviceID
```
public void setDeviceID(String deviceID)
```
    Identification of a device message pair.
    
    Parameters:
    
    deviceID - Identification of a device message pair.
  - saleID
```
public MessageReference saleID(String saleID)
```
    Identification of a Sale System or a Sale Terminal for the Sale to POI protocol. default MessageHeader.SaleID.
    
    Parameters:
    
    saleID - Identification of a Sale System or a Sale Terminal for the Sale to POI protocol. default MessageHeader.SaleID.
    
    Returns:
    
    the current MessageReference instance, allowing for method chaining
  - getSaleID
```
public String getSaleID()
```
    Identification of a Sale System or a Sale Terminal for the Sale to POI protocol. default MessageHeader.SaleID.
    
    Returns:
    
    saleID Identification of a Sale System or a Sale Terminal for the Sale to POI protocol. default MessageHeader.SaleID.
  - setSaleID
```
public void setSaleID(String saleID)
```
    Identification of a Sale System or a Sale Terminal for the Sale to POI protocol. default MessageHeader.SaleID.
    
    Parameters:
    
    saleID - Identification of a Sale System or a Sale Terminal for the Sale to POI protocol. default MessageHeader.SaleID.
  - POIID
```
public MessageReference POIID(String POIID)
```
    Identification of a POI System or a POI Terminal for the Sale to POI protocol. Default `MessageHeader.POIID`.
    
    Parameters:
    
    POIID - Identification of a POI System or a POI Terminal for the Sale to POI protocol. Default `MessageHeader.POIID`.
    
    Returns:
    
    the current MessageReference instance, allowing for method chaining
  - getPOIID
```
public String getPOIID()
```
    Identification of a POI System or a POI Terminal for the Sale to POI protocol. Default `MessageHeader.POIID`.
    
    Returns:
    
    POIID Identification of a POI System or a POI Terminal for the Sale to POI protocol. Default `MessageHeader.POIID`.
  - setPOIID
```
public void setPOIID(String POIID)
```
    Identification of a POI System or a POI Terminal for the Sale to POI protocol. Default `MessageHeader.POIID`.
    
    Parameters:
    
    POIID - Identification of a POI System or a POI Terminal for the Sale to POI protocol. Default `MessageHeader.POIID`.
  - includeNullValues
```
public MessageReference includeNullValues(boolean includeNullValues)
```
    Configures whether null values are explicitly serialized in the JSON payload. Default is false.
  - isIncludeNullValues
```
public boolean isIncludeNullValues()
```
    Returns whether null values are explicitly serialized in the JSON payload.
  - setIncludeNullValues
```
public void setIncludeNullValues(boolean includeNullValues)
```
    Sets whether null values should be explicitly serialized in the JSON payload. Default is false.
  - equals
```
public boolean equals(Object o)
```
    Return true if this MessageReference object is equal to o.
    
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - getExplicitNulls
```
public Map<String,Object> getExplicitNulls()
```
    Returns a map of properties to be merged into the JSON payload as explicit null values.
  - fromJson
```
public static MessageReference fromJson(String jsonString)
                                 throws com.fasterxml.jackson.core.JsonProcessingException
```
    Create an instance of MessageReference given an JSON string
    
    Parameters:
    
    jsonString - JSON string
    
    Returns:
    
    An instance of MessageReference
    
    Throws:
    
    com.fasterxml.jackson.core.JsonProcessingException - if the JSON string is invalid with respect to MessageReference
  - toJson
```
public String toJson()
              throws com.fasterxml.jackson.core.JsonProcessingException
```
    Convert an instance of MessageReference to an JSON string
    
    Returns:
    
    JSON string
    
    Throws:
    
    com.fasterxml.jackson.core.JsonProcessingException

Class MessageReference

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

JSON_PROPERTY_MESSAGE_CATEGORY

JSON_PROPERTY_SERVICE_I_D

JSON_PROPERTY_DEVICE_I_D

JSON_PROPERTY_SALE_I_D

JSON_PROPERTY_P_O_I_I_D

Constructor Detail

MessageReference

Method Detail

messageCategory

getMessageCategory

setMessageCategory

serviceID

getServiceID

setServiceID

deviceID

getDeviceID

setDeviceID

saleID

getSaleID

setSaleID

POIID

getPOIID

setPOIID

includeNullValues

isIncludeNullValues

setIncludeNullValues

equals

hashCode

toString

getExplicitNulls

fromJson

toJson