Class: Ilios::Cassandra::Future
- Inherits:
-
Object
- Object
- Ilios::Cassandra::Future
- Defined in:
- ext/ilios/ilios.c
Instance Method Summary collapse
-
#await ⇒ Cassandra::Future
Wait to complete a future’s statement.
-
#on_failure ⇒ Cassandra::Future
Run block when future resolves to error.
-
#on_success {|value| ... } ⇒ Cassandra::Future
Run block when future resolves to a value.
Instance Method Details
#await ⇒ Cassandra::Future
Wait to complete a future’s statement.
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# File 'ext/ilios/future.c', line 266
static VALUE future_await(VALUE self)
{
CassandraFuture *cassandra_future;
GET_FUTURE(self, cassandra_future);
if (cassandra_future->already_waited) {
rb_raise(eExecutionError, "It should not call twice");
}
if (cassandra_future->on_success_block || cassandra_future->on_failure_block) {
nogvl_sem_wait(&cassandra_future->sem);
} else {
nogvl_future_wait(cassandra_future->future);
}
cassandra_future->already_waited = true;
return self;
}
|
#on_failure ⇒ Cassandra::Future
Run block when future resolves to error.
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# File 'ext/ilios/future.c', line 230
static VALUE future_on_failure(VALUE self)
{
CassandraFuture *cassandra_future;
bool wakeup_thread = false;
GET_FUTURE(self, cassandra_future);
if (cassandra_future->on_failure_block) {
rb_raise(eExecutionError, "It should not call twice");
}
if (!rb_block_given_p()) {
rb_raise(rb_eArgError, "no block given");
}
rb_mutex_lock(cassandra_future->proc_mutex);
if (!cassandra_future->on_success_block) {
// Invoke the callback with thread pool only once
wakeup_thread = true;
}
cassandra_future->on_failure_block = rb_block_proc();
if (wakeup_thread) {
future_queue_push(future_thread_pool_get(cassandra_future), self);
}
rb_mutex_unlock(cassandra_future->proc_mutex);
return self;
}
|
#on_success {|value| ... } ⇒ Cassandra::Future
Run block when future resolves to a value.
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# File 'ext/ilios/future.c', line 192
static VALUE future_on_success(VALUE self)
{
CassandraFuture *cassandra_future;
bool wakeup_thread = false;
GET_FUTURE(self, cassandra_future);
if (cassandra_future->on_success_block) {
rb_raise(eExecutionError, "It should not call twice");
}
if (!rb_block_given_p()) {
rb_raise(rb_eArgError, "no block given");
}
rb_mutex_lock(cassandra_future->proc_mutex);
if (!cassandra_future->on_failure_block) {
// Invoke the callback with thread pool only once
wakeup_thread = true;
}
cassandra_future->on_success_block = rb_block_proc();
if (wakeup_thread) {
future_queue_push(future_thread_pool_get(cassandra_future), self);
}
rb_mutex_unlock(cassandra_future->proc_mutex);
return self;
}
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