Class UserServiceAdapter
- java.lang.Object
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- com.exonum.binding.core.service.adapters.UserServiceAdapter
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Constructor Summary
Constructors Constructor Description UserServiceAdapter(Service service, Server server, ViewFactory viewFactory)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
afterCommit(long snapshotHandle, int validatorId, long height)
Handles block committed event.void
close()
Close this service adapter.UserTransactionAdapter
convertTransaction(short transactionId, byte[] payload)
Converts a transaction messages into an executable transaction of this service.short
getId()
String
getName()
Service
getService()
byte[][]
getStateHashes(long snapshotHandle)
Returns the state hashes of the service.String
initialize(long forkHandle)
Returns the service initial global configuration.void
mountPublicApiHandler(long nodeNativeHandle)
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Constructor Detail
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UserServiceAdapter
@Inject public UserServiceAdapter(Service service, Server server, ViewFactory viewFactory)
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Method Detail
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getId
public short getId()
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getName
public String getName()
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getService
public Service getService()
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convertTransaction
public UserTransactionAdapter convertTransaction(short transactionId, byte[] payload)
Converts a transaction messages into an executable transaction of this service.The callee must handle the declared exceptions.
- Parameters:
transactionId
- an identifier of the transactionpayload
- a transaction payload- Returns:
- an executable transaction of this service
- Throws:
NullPointerException
- if payload is null, or a user service returns a null transactionIllegalArgumentException
- if message is not a valid transaction message of this service
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getStateHashes
public byte[][] getStateHashes(long snapshotHandle)
Returns the state hashes of the service.The method does not destroy a native snapshot object corresponding to the passed handle.
- Parameters:
snapshotHandle
- a handle to a native snapshot object- Returns:
- an array of state hashes
- See Also:
Service.getStateHashes(Snapshot)
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initialize
@Nullable public String initialize(long forkHandle)
Returns the service initial global configuration.The method does not destroy a native fork object corresponding to the passed handle.
- Parameters:
forkHandle
- a handle to a native fork object- Returns:
- the service global configuration as a JSON string or null if it does not have any
- See Also:
Service.initialize(Fork)
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mountPublicApiHandler
public void mountPublicApiHandler(long nodeNativeHandle)
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afterCommit
public void afterCommit(long snapshotHandle, int validatorId, long height)
Handles block committed event. This handler is invoked after commit of the block.- Parameters:
snapshotHandle
- a handle to a native snapshot objectvalidatorId
- a validator id. Negative if this node is not a validatorheight
- the current blockchain height
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close
public void close()
Close this service adapter.Releases any resources.
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