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Diffstat (limited to 'qpid/cpp/src/qpid/framing/FrameDefaultVisitor.h')
-rw-r--r-- | qpid/cpp/src/qpid/framing/FrameDefaultVisitor.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/framing/FrameDefaultVisitor.h b/qpid/cpp/src/qpid/framing/FrameDefaultVisitor.h new file mode 100644 index 0000000000..bd676960bf --- /dev/null +++ b/qpid/cpp/src/qpid/framing/FrameDefaultVisitor.h @@ -0,0 +1,60 @@ +#ifndef QPID_FRAMING_FRAMEVISITOR_H +#define QPID_FRAMING_FRAMEVISITOR_H + +/* + * 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/framing/MethodBodyDefaultVisitor.h" +#include "qpid/framing/AMQBody.h" +#include "qpid/framing/AMQMethodBody.h" +#include "qpid/framing/AMQHeaderBody.h" +#include "qpid/framing/AMQContentBody.h" +#include "qpid/framing/AMQHeartbeatBody.h" + +namespace qpid { +namespace framing { +/** + * Visitor for all concrete frame body types, which combines + * AMQBodyConstVisitor and MethodBodyDefaultVisitor. + * + * Derived classes can override visit methods to specify actions. + * Derived classes must override defaultVisit(), which is called + * for any non-overridden visit functions. + * + */ +struct FrameDefaultVisitor : public AMQBodyConstVisitor, + protected MethodBodyDefaultVisitor +{ + virtual void defaultVisit(const AMQBody&) = 0; + void defaultVisit(const AMQMethodBody& method) { defaultVisit(static_cast<const AMQBody&>(method)); } + + void visit(const AMQHeaderBody& b) { defaultVisit(b); } + void visit(const AMQContentBody& b) { defaultVisit(b); } + void visit(const AMQHeartbeatBody& b) { defaultVisit(b); } + void visit(const AMQMethodBody& b) { b.accept(static_cast<MethodBodyDefaultVisitor&>(*this)); } + + using AMQBodyConstVisitor::visit; + using MethodBodyDefaultVisitor::visit; +}; + +}} // namespace qpid::framing + + +#endif /*!QPID_FRAMING_FRAMEVISITOR_H*/ |