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-rw-r--r--Final/cpp/lib/broker/QueuePolicy.cpp69
1 files changed, 0 insertions, 69 deletions
diff --git a/Final/cpp/lib/broker/QueuePolicy.cpp b/Final/cpp/lib/broker/QueuePolicy.cpp
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--- a/Final/cpp/lib/broker/QueuePolicy.cpp
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-/*
- *
- * 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 <QueuePolicy.h>
-
-using namespace qpid::broker;
-using namespace qpid::framing;
-
-QueuePolicy::QueuePolicy(u_int32_t _maxCount, u_int64_t _maxSize) :
- maxCount(_maxCount), maxSize(_maxSize), count(0), size(0) {}
-
-QueuePolicy::QueuePolicy(const FieldTable& settings) :
- maxCount(getInt(settings, maxCountKey, 0)),
- maxSize(getInt(settings, maxSizeKey, 0)), count(0), size(0) {}
-
-void QueuePolicy::enqueued(u_int64_t _size)
-{
- if (maxCount) count++;
- if (maxSize) size += _size;
-}
-
-void QueuePolicy::dequeued(u_int64_t _size)
-{
- if (maxCount) count--;
- if (maxSize) size -= _size;
-}
-
-bool QueuePolicy::limitExceeded()
-{
- return (maxSize && size > maxSize) || (maxCount && count > maxCount);
-}
-
-void QueuePolicy::update(FieldTable& settings)
-{
- if (maxCount) settings.setInt(maxCountKey, maxCount);
- if (maxSize) settings.setInt(maxSizeKey, maxSize);
-}
-
-
-int QueuePolicy::getInt(const FieldTable& settings, const std::string& key, int defaultValue)
-{
- //Note: currently field table only contain signed 32 bit ints, which
- // restricts the values that can be set on the queue policy.
- try {
- return settings.getInt(key);
- } catch (FieldNotFoundException& ignore) {
- return defaultValue;
- }
-}
-
-const std::string QueuePolicy::maxCountKey("qpid.max_count");
-const std::string QueuePolicy::maxSizeKey("qpid.max_size");