MessageMetadataStrategy (Prowide Core API Reference)

All Known Implementing Classes:

DefaultMtMetadataStrategy
```
public interface MessageMetadataStrategy
```
A strategy to extract specific properties of an MT or MX message. Used when an MtSwiftMessage or Mx message is created or updated.
Enables injecting your own implementation for the entity metadata extraction, to set the generic properties shared by all message types: main reference, main amount and currency, value date, trade date.

Since:

9.1.4

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.Optional<Money>`	`amount(AbstractMessage message)`	Extracts the message main amount (only meaningful for some types of messages)
`java.util.Optional<java.lang.String>`	`reference(AbstractMessage message)`	Extracts the message main reference (available in most message types)
`java.util.Optional<java.util.Calendar>`	`tradeDate(AbstractMessage message)`	Extracts the message trade date (only meaningful for some types of messages)
`java.util.Optional<java.util.Calendar>`	`valueDate(AbstractMessage message)`	Extracts the message value date (only meaningful for some types of messages)

- Method Detail
  - reference
```
java.util.Optional<java.lang.String> reference(AbstractMessage message)
```
    Extracts the message main reference (available in most message types)
  - amount
```
java.util.Optional<Money> amount(AbstractMessage message)
```
    Extracts the message main amount (only meaningful for some types of messages)
  - valueDate
```
java.util.Optional<java.util.Calendar> valueDate(AbstractMessage message)
```
    Extracts the message value date (only meaningful for some types of messages)
  - tradeDate
```
java.util.Optional<java.util.Calendar> tradeDate(AbstractMessage message)
```
    Extracts the message trade date (only meaningful for some types of messages)