activemq-cpp-3.9.5
AbstractSet.h
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17
18#ifndef _DECAF_UTIL_ABSTRACTSET_H_
19#define _DECAF_UTIL_ABSTRACTSET_H_
20
21#include <decaf/util/Config.h>
25#include <decaf/lang/Iterable.h>
26#include <decaf/util/Iterator.h>
27#include <decaf/util/Set.h>
28#include <memory>
29
30namespace decaf {
31namespace util {
32
45 template<typename E >
46 class AbstractSet : public virtual decaf::util::Set<E>,
47 public virtual decaf::util::AbstractCollection<E> {
48 public:
49
51
52 virtual ~AbstractSet() {}
53
69 virtual bool removeAll(const Collection<E>& collection) {
70
71 bool result = false;
72 if (this->size() <= collection.size()) {
73
74 std::auto_ptr<Iterator<E> > iter(this->iterator());
75 while (iter->hasNext()) {
76 if (collection.contains(iter->next())) {
77 iter->remove();
78 result = true;
79 }
80 }
81
82 } else {
83
84 std::auto_ptr<Iterator<E> > iter(collection.iterator());
85 while (iter->hasNext()) {
86 result = this->remove(iter->next()) || result;
87 }
88 }
89
90 return result;
91 }
92 };
93
94}}
95
96#endif /* _DECAF_UTIL_ABSTRACTSET_H_ */
virtual decaf::util::Iterator< E > * iterator()=0
This class provides a skeletal implementation of the Collection interface, to minimize the effort req...
Definition AbstractCollection.h:58
AbstractCollection()
Definition AbstractCollection.h:65
virtual bool remove(const E &value)
Removes a single instance of the specified element from the collection.More formally,...
Definition AbstractCollection.h:259
AbstractSet()
Definition AbstractSet.h:50
virtual ~AbstractSet()
Definition AbstractSet.h:52
virtual bool removeAll(const Collection< E > &collection)
Removes all this collection's elements that are also contained in the specified collection (optional ...
Definition AbstractSet.h:69
The root interface in the collection hierarchy.
Definition Collection.h:69
virtual bool contains(const E &value) const =0
Returns true if this collection contains the specified element.
virtual int size() const =0
Returns the number of elements in this collection.
A collection that contains no duplicate elements.
Definition Set.h:45
Definition AbstractCollection.h:33
Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.
Definition AprPool.h:25