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-rw-r--r--trunk/qpid/cpp/src/qpid/sys/AggregateOutput.cpp91
1 files changed, 0 insertions, 91 deletions
diff --git a/trunk/qpid/cpp/src/qpid/sys/AggregateOutput.cpp b/trunk/qpid/cpp/src/qpid/sys/AggregateOutput.cpp
deleted file mode 100644
index 709d3bc640..0000000000
--- a/trunk/qpid/cpp/src/qpid/sys/AggregateOutput.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
- */
-
-#include "qpid/sys/AggregateOutput.h"
-#include "qpid/log/Statement.h"
-#include <algorithm>
-
-namespace qpid {
-namespace sys {
-
-AggregateOutput::AggregateOutput(OutputControl& c) : busy(false), control(c) {}
-
-void AggregateOutput::abort() { control.abort(); }
-
-void AggregateOutput::activateOutput() { control.activateOutput(); }
-
-void AggregateOutput::giveReadCredit(int32_t credit) { control.giveReadCredit(credit); }
-
-bool AggregateOutput::hasOutput() {
- Mutex::ScopedLock l(lock);
- return !tasks.empty();
-}
-
-// Clear the busy flag and notify waiting threads in destructor.
-struct ScopedBusy {
- bool& flag;
- Monitor& monitor;
- ScopedBusy(bool& f, Monitor& m) : flag(f), monitor(m) { f = true; }
- ~ScopedBusy() { flag = false; monitor.notifyAll(); }
-};
-
-bool AggregateOutput::doOutput() {
- Mutex::ScopedLock l(lock);
- ScopedBusy sb(busy, lock);
-
- while (!tasks.empty()) {
- OutputTask* t=tasks.front();
- tasks.pop_front();
- bool didOutput;
- {
- // Allow concurrent call to addOutputTask.
- // removeOutputTask will wait till !busy before removing a task.
- Mutex::ScopedUnlock u(lock);
- didOutput = t->doOutput();
- }
- if (didOutput) {
- tasks.push_back(t);
- return true;
- }
- }
- return false;
-}
-
-void AggregateOutput::addOutputTask(OutputTask* task) {
- Mutex::ScopedLock l(lock);
- tasks.push_back(task);
-}
-
-void AggregateOutput::removeOutputTask(OutputTask* task) {
- Mutex::ScopedLock l(lock);
- while (busy) lock.wait();
- tasks.erase(std::remove(tasks.begin(), tasks.end(), task), tasks.end());
-}
-
-void AggregateOutput::removeAll()
-{
- Mutex::ScopedLock l(lock);
- while (busy) lock.wait();
- tasks.clear();
-}
-
-
-}} // namespace qpid::sys