49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/*
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* IKeyValueStore.actor.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fdbserver/IKeyValueStore.h"
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#include "flow/flow.h"
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#include "flow/actorcompiler.h" // This must be the last #include.
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ACTOR static Future<Void> replaceRange_impl(IKeyValueStore* self,
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KeyRange range,
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Standalone<VectorRef<KeyValueRef>> data) {
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state int sinceYield = 0;
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state const KeyValueRef* kvItr = data.begin();
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state KeyRangeRef rangeRef = range;
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if (rangeRef.empty()) {
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return Void();
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}
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self->clear(rangeRef);
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for (; kvItr != data.end(); kvItr++) {
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self->set(*kvItr);
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if (++sinceYield > 1000) {
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wait(yield());
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sinceYield = 0;
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}
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}
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return Void();
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}
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// Default implementation for replaceRange(), which writes the key one by one.
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Future<Void> IKeyValueStore::replaceRange(KeyRange range, Standalone<VectorRef<KeyValueRef>> data) {
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return replaceRange_impl(this, range, data);
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}
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