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package dag
import (
"github.com/MichaelMure/git-bug/entity"
"github.com/MichaelMure/git-bug/repository"
"github.com/MichaelMure/git-bug/util/lamport"
)
// Interface define the extended interface of a dag.Entity
type Interface[SnapT Snapshot, OpT Operation] interface {
entity.Interface
// Validate checks if the Entity data is valid
Validate() error
// Append an operation into the staging area, to be committed later
Append(op OpT)
// Operations returns the ordered operations
Operations() []OpT
// NeedCommit indicates that the in-memory state changed and need to be committed in the repository
NeedCommit() bool
// Commit writes the staging area in Git and move the operations to the packs
Commit(repo repository.ClockedRepo) error
// CommitAsNeeded execute a Commit only if necessary. This function is useful to avoid getting an error if the Entity
// is already in sync with the repository.
CommitAsNeeded(repo repository.ClockedRepo) error
// FirstOp lookup for the very first operation of the Entity.
FirstOp() OpT
// LastOp lookup for the very last operation of the Entity.
// For a valid Entity, should never be nil
LastOp() OpT
// Compile an Entity in an easily usable snapshot
Compile() SnapT
// CreateLamportTime return the Lamport time of creation
CreateLamportTime() lamport.Time
// EditLamportTime return the Lamport time of the last edit
EditLamportTime() lamport.Time
}
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