com.scalar.dl.ledger.statemachine

Interface Asset<T>

All Known Implementing Classes:

MetadataComprisedAsset

public interface Asset<T>

An asset entry abstraction. An asset is a set of historical data and it's data is identified by it's ID and age as conceptually described below.

asset-ID => {<age-1, data-1>, <age-2, data-2>, ..., <age-N, data-N>}

The largest age specifies the latest asset entry.

Method Summary

Modifier and Type	Method and Description
int	age() Returns an age of the asset.
T	data() Returns a data of the asset.
java.lang.String	id() Returns an ID of the asset.
AssetMetadata	metadata() Returns the metadata with AssetMetadata of the asset.

Method Detail

id

java.lang.String id()

Returns an ID of the asset. This ID is the same in all aged.

Returns:

an ID of the asset

age

int age()

Returns an age of the asset.

Returns:

an age of the asset

data

T data()

Returns a data of the asset.

Returns:

a data of the asset

metadata

AssetMetadata metadata()

Returns the metadata with AssetMetadata of the asset. AssetMetadata is available for committed assets and null for uncommitted assets. You get uncommitted assets only when you put a new asset and get the asset you put in a contract because the contract is not successfully finished yet.

Returns:

the metadata of the asset