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58 lines (49 loc) · 1.91 KB
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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 <memory>
#include <string>
#include "arrow/util/logging.h"
#include "plasma/hash_table_store.h"
namespace plasma {
Status HashTableStore::Connect(const std::string& endpoint) { return Status::OK(); }
Status HashTableStore::Put(const std::vector<ObjectID>& ids,
const std::vector<std::shared_ptr<Buffer>>& data) {
for (size_t i = 0; i < ids.size(); ++i) {
table_[ids[i]] = data[i]->ToString();
}
return Status::OK();
}
Status HashTableStore::Get(const std::vector<ObjectID>& ids,
std::vector<std::shared_ptr<Buffer>> buffers) {
ARROW_CHECK(ids.size() == buffers.size());
for (size_t i = 0; i < ids.size(); ++i) {
bool valid;
HashTable::iterator result;
{
result = table_.find(ids[i]);
valid = result != table_.end();
}
if (valid) {
ARROW_CHECK(buffers[i]->size() == static_cast<int64_t>(result->second.size()));
std::memcpy(buffers[i]->mutable_data(), result->second.data(),
result->second.size());
}
}
return Status::OK();
}
REGISTER_EXTERNAL_STORE("hashtable", HashTableStore);
} // namespace plasma