TAO_LF_Follower Class Reference

Represent a thread blocked, as a follower, in the Leader/Followers set. More...

#include <LF_Follower.h>

Inheritance diagram for TAO_LF_Follower:

[legend]Collaboration diagram for TAO_LF_Follower:

[legend]List of all members.

Public Member Functions
	TAO_LF_Follower (TAO_Leader_Follower &leader_follower)
	Constructor.
	~TAO_LF_Follower (void)
	Destructor.
TAO_Leader_Follower &	leader_follower (void)
	Access the leader follower that owns this follower.
int	wait (ACE_Time_Value *tv)
	Wait until on the underlying condition variable.
int	signal (void)
	Signal the underlying condition variable.
Private Attributes
TAO_Leader_Follower &	leader_follower_
	The Leader/Follower set this Follower belongs to.
ACE_SYNCH_CONDITION	condition_
	Condition variable used to.

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Detailed Description

Represent a thread blocked, as a follower, in the Leader/Followers set.

Todo:

Currently this class offers little abstraction, the follower loop should be implemented by this class.

Definition at line 45 of file LF_Follower.h.

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Constructor & Destructor Documentation

TAO_BEGIN_VERSIONED_NAMESPACE_DECL TAO_LF_Follower::TAO_LF_Follower

(

TAO_Leader_Follower &

leader_follower

)

Constructor.

Definition at line 16 of file LF_Follower.cpp.

  : leader_follower_ (leader_follower)
  , condition_ (leader_follower.lock ())
{
}

TAO_LF_Follower::~TAO_LF_Follower

(

void

)

Destructor.

Definition at line 22 of file LF_Follower.cpp.

{
}

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Member Function Documentation

TAO_BEGIN_VERSIONED_NAMESPACE_DECL ACE_INLINE TAO_Leader_Follower & TAO_LF_Follower::leader_follower

(

void

)

Access the leader follower that owns this follower.

Definition at line 8 of file LF_Follower.inl.

References leader_follower_.

{
  return this->leader_follower_;
}

int TAO_LF_Follower::signal

(

void

)

Signal the underlying condition variable.

Definition at line 27 of file LF_Follower.cpp.

References condition_.

Referenced by TAO_Leader_Follower::elect_new_leader_i(), and TAO_LF_Event::state_changed().

{
  // We *must* remove ourselves from the list of followers, otherwise
  // we could get signalled twice: to wake up as a follower and as the
  // next leader.
  // The follower may not be there if the reply is received while
  // the consumer is not yet waiting for it (i.e. it send the
  // request but has not blocked to receive the reply yet).
  // Ignore errors.
  (void) this->leader_follower_.remove_follower (this);

  return this->condition_.signal ();
}

ACE_INLINE int TAO_LF_Follower::wait

(

ACE_Time_Value *

tv

)

Wait until on the underlying condition variable.

Definition at line 14 of file LF_Follower.inl.

References condition_.

{
  return this->condition_.wait (tv);
}

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Member Data Documentation

ACE_SYNCH_CONDITION TAO_LF_Follower::condition_ [private]

Condition variable used to.

Definition at line 69 of file LF_Follower.h.

Referenced by signal(), and wait().

TAO_Leader_Follower& TAO_LF_Follower::leader_follower_ [private]

The Leader/Follower set this Follower belongs to.

Definition at line 66 of file LF_Follower.h.

Referenced by leader_follower().

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The documentation for this class was generated from the following files:

• LF_Follower.h
• LF_Follower.cpp
• LF_Follower.inl

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