MrpRelation

MrpRelation — represents a task predecessor relation in the project.

Functions

Types and Values

Object Hierarchy


Includes

#include <libplanner/planner.h>

Description

A predecessor relation is used to affect the scheduling of a task relative another task. A relation may have a lag time associated to it, so that a task can be scheduled to start after another task has finished, plus a lag time.

Functions

mrp_relation_get_predecessor ()

MrpTask *
mrp_relation_get_predecessor (MrpRelation *relation);

Retrieves the predecessor of relation .

Parameters

relation

an MrpRelation

 

Returns

the predecessor task.


mrp_relation_get_successor ()

MrpTask *
mrp_relation_get_successor (MrpRelation *relation);

Retrieves the successor of relation .

Parameters

relation

an MrpRelation

 

Returns

the successor task.


mrp_relation_get_lag ()

gint
mrp_relation_get_lag (MrpRelation *relation);

Retrieves the lag between the predecessor and successor in relation .

Parameters

relation

an MrpRelation

 

Returns

Lag time in seconds.


mrp_relation_get_relation_type ()

MrpRelationType
mrp_relation_get_relation_type (MrpRelation *relation);

Retrieves the relation type of relation .

Parameters

relation

an MrpRelation

 

Returns

the MrpRelationType of the relation.

Types and Values

MrpRelationPriv

typedef struct _MrpRelationPriv MrpRelationPriv;

A private struct for internal use only. The definition of this structure is not publically available.


struct MrpRelation

struct MrpRelation {
	MrpObject        parent;
	MrpRelationPriv *priv;
};

Object representing a predecessor relation between two tasks.


enum MrpRelationType

The type of relation.

Members

MRP_RELATION_NONE

invalid relation type (unset)

 

MRP_RELATION_FS

finish to start

 

MRP_RELATION_FF

finish to finish (unimplemented)

 

MRP_RELATION_SS

start to start (unimplemented)

 

MRP_RELATION_SF

start to finish (unimplemented)