MrpRelation

MrpRelation — represents a task predecessor relation in the project.

Functions

Properties

gint lag Read / Write
MrpTask * predecessor Read / Write / Construct Only
MrpTask * successor Read / Write / Construct Only
MrpRelationType type Read / Write

Signals

Types and Values

Object Hierarchy

    GObject
    ╰── MrpObject
        ╰── MrpRelation

Includes

#include <libplanner/mrp-relation.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

struct MrpRelation

struct MrpRelation;

Object representing a predecessor relation between two tasks.


MrpRelationPriv

typedef struct _MrpRelationPriv MrpRelationPriv;

Property Details

The “lag” property

  “lag”                      gint

Lag between the predecessor and successor.

Owner: MrpRelation

Flags: Read / Write

Allowed values: >= -2147483647

Default value: 0


The “predecessor” property

  “predecessor”              MrpTask *

The predecessor in the relation.

Owner: MrpRelation

Flags: Read / Write / Construct Only


The “successor” property

  “successor”                MrpTask *

The successor in the relation.

Owner: MrpRelation

Flags: Read / Write / Construct Only


The “type” property

  “type”                     MrpRelationType

The type of relation.

Owner: MrpRelation

Flags: Read / Write

Default value: MRP_RELATION_FS

Signal Details

The “changed” signal

void
user_function (MrpRelation *relation,
               gpointer     user_data)

emitted when relation changes.

Parameters

relation

an MrpRelation.

 

user_data

user data set when the signal handler was connected.

 

Flags: Run Last