Package com.tnsai.coordination

Class Contract

java.lang.Object

com.tnsai.coordination.Contract

public class Contract
extends Object

Represents a contract awarded to a contractor in the Contract-Net protocol. A contract is created when a manager accepts a proposal.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	Contract.ContractStatus

Constructor Summary

Constructors

Constructor	Description
Contract(String contractId, String taskId, String managerId, String contractorId, Proposal acceptedProposal)

Method Summary

Modifier and Type	Method	Description
void	complete(TaskResult result)	Completes the contract with a result.
Proposal	getAcceptedProposal()
Instant	getAwardedAt()
Instant	getCompletedAt()
String	getContractId()
String	getContractorId()
String	getManagerId()
TaskResult	getResult()
Contract.ContractStatus	getStatus()
String	getTaskId()
boolean	isCompleted()
void	markFailed()	Marks the contract as failed.
void	markInProgress()	Marks the contract as in progress.
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

Contract

public Contract(String contractId,
 String taskId,
 String managerId,
 String contractorId,
 Proposal acceptedProposal)

Method Details

markInProgress

public void markInProgress()

Marks the contract as in progress. Thread-safe: volatile write ensures visibility across threads.

complete

public void complete(TaskResult result)

Completes the contract with a result. Thread-safe: synchronized to ensure result, completedAt, and status are consistent.

markFailed

public void markFailed()

Marks the contract as failed. Thread-safe: synchronized to ensure completedAt and status are consistent.

getContractId

public String getContractId()

getTaskId

public String getTaskId()

getManagerId

public String getManagerId()

getContractorId

public String getContractorId()

getAcceptedProposal

public Proposal getAcceptedProposal()

getAwardedAt

public Instant getAwardedAt()

getStatus

public Contract.ContractStatus getStatus()

getResult

public TaskResult getResult()

getCompletedAt

public Instant getCompletedAt()

isCompleted

public boolean isCompleted()

toString

public String toString()

Overrides:

toString in class Object