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/*
 * (c) Copyright 2018 Palantir Technologies Inc. All rights reserved.
 *
 * 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 com.palantir.atlasdb.keyvalue.cassandra.paging;

import com.google.common.collect.Maps;
import java.nio.ByteBuffer;
import java.util.List;
import java.util.Map;
import org.apache.cassandra.thrift.ColumnOrSuperColumn;
import org.apache.cassandra.thrift.KeySlice;

final class ColumnGetters {
    private ColumnGetters() {
        // Utility class
    }

    static Map> getColsByKey(List firstPage) {
        Map> ret = Maps.newHashMapWithExpectedSize(firstPage.size());
        for (KeySlice e : firstPage) {
            ret.put(ByteBuffer.wrap(e.getKey()), e.getColumns());
        }
        return ret;
    }
}