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Diffstat (limited to 'subversion/bindings/javahl/native/Iterator.h')
-rw-r--r-- | subversion/bindings/javahl/native/Iterator.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/subversion/bindings/javahl/native/Iterator.h b/subversion/bindings/javahl/native/Iterator.h new file mode 100644 index 0000000..c116ab3 --- /dev/null +++ b/subversion/bindings/javahl/native/Iterator.h @@ -0,0 +1,64 @@ +/** + * @copyright + * ==================================================================== + * 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. + * ==================================================================== + * @endcopyright + * + * @file Iterator.cpp + * @brief Interface of the class Iterator + */ + +#ifndef JAVAHL_ITERATOR_H +#define JAVAHL_ITERATOR_H + +#include "JNIUtil.h" + +/** + * Encapsulates an immutable java.lang.Iterator implementation. + */ +class Iterator +{ +public: + Iterator(jobject jiterable); + ~Iterator(); + bool hasNext() const; + jobject next() const; + +protected: + Iterator(jobject jiterable, bool); + +private: + bool m_persistent; + jobject m_jiterator; +}; + + +/** + * Like Iterator, but the implementation will hold a global reference + * to the internal iterator object to protect it across JNI calls. + */ +class PersistentIterator : protected Iterator +{ +public: + PersistentIterator(jobject jiterable) : Iterator(jiterable, true) {} + bool hasNext() const { return Iterator::hasNext(); } + jobject next() const { return Iterator::next(); } +}; + +#endif // JAVAHL_ITERATOR_H |