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Add TopicPartition::operator<

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This commit is contained in:
Matias Fontanini
2016-06-26 13:27:16 -07:00
parent 25ae15444e
commit ab9c2494e1
2 changed files with 11 additions and 0 deletions
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5
include/cppkafka/topic_partition.h
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@@ -112,6 +112,11 @@ public:
*/ */
void set_offset(int64_t offset); void set_offset(int64_t offset);
/**
* Compare the (topic, partition) for less-than equality
*/
bool operator<(const TopicPartition& rhs) const;
/** /**
* Print to a stream * Print to a stream
*/ */

6
src/topic_partition.cpp
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@@ -28,11 +28,13 @@
*/ */
#include <iostream> #include <iostream>
#include <tuple>
#include <librdkafka/rdkafka.h> #include <librdkafka/rdkafka.h>
#include "topic_partition.h" #include "topic_partition.h"
using std::string; using std::string;
using std::ostream; using std::ostream;
using std::tie;
namespace cppkafka { namespace cppkafka {
@@ -77,6 +79,10 @@ void TopicPartition::set_offset(int64_t offset) {
offset_ = offset; offset_ = offset;
} }
bool TopicPartition::operator<(const TopicPartition& rhs) const {
return tie(topic_, partition_) < tie(rhs.topic_, rhs.partition_);
}
ostream& operator<<(ostream& output, const TopicPartition& rhs) { ostream& operator<<(ostream& output, const TopicPartition& rhs) {
return output << rhs.get_topic() << "[" << rhs.get_partition() << "]"; return output << rhs.get_topic() << "[" << rhs.get_partition() << "]";
} }