initial commit

vendor/github.com/blevesearch/bleve/index/store/multiget.go

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+//  Copyright (c) 2016 Couchbase, Inc.
+//  Licensed 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.
+
+package store
+
+// MultiGet is a helper function to retrieve mutiple keys from a
+// KVReader, and might be used by KVStore implementations that don't
+// have a native multi-get facility.
+func MultiGet(kvreader KVReader, keys [][]byte) ([][]byte, error) {
+	vals := make([][]byte, 0, len(keys))
+
+	for i, key := range keys {
+		val, err := kvreader.Get(key)
+		if err != nil {
+			return nil, err
+		}
+
+		vals[i] = val
+	}
+
+	return vals, nil
+}