DigitalSignatureMetadata

All Implemented Interfaces:
```
public final class DigitalSignatureMetadata

                    
```
Metadata attached to a signature.
The use of this metadata is decided by API layers above application. For example, the ledger implementation may populate some properties when transaction signatures are requested.
Note that the metadata itself is not signed over.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description
`public final Instant`	`timestamp`
`public final SignatureSpec`	`signatureSpec`
`public final Map<String, String>`	`properties`

Constructor Summary

Constructors
Constructor	Description
`DigitalSignatureMetadata(Instant timestamp, SignatureSpec signatureSpec, Map<String, String> properties)`

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`Instant`	`getTimestamp()`
`SignatureSpec`	`getSignatureSpec()`
`Map<String, String>`	`getProperties()`
`boolean`	`equals(@Nullable() Object obj)`
`int`	`hashCode()`
`String`	`toString()`

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

Constructor Detail
- DigitalSignatureMetadata
```
DigitalSignatureMetadata(Instant timestamp, SignatureSpec signatureSpec, Map<String, String> properties)
```
  Parameters:
  
  timestamp - The timestamp at which the signature was applied.
  
  signatureSpec - The signature spec.
  
  properties - A set of properties for this signature.

Method Detail

getTimestamp
```
@NotNull() Instant getTimestamp()
```

getSignatureSpec

@NotNull() SignatureSpec getSignatureSpec()

getProperties

@NotNull() Map<String, String> getProperties()

equals

 boolean equals(@Nullable() Object obj)

hashCode
```
 int hashCode()
```

toString
```
@NotNull() String toString()
```