com.google.cloud.bigtable.grpc.scanner.SimpleRowConverter.java Source code

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Here is the source code for com.google.cloud.bigtable.grpc.scanner.SimpleRowConverter.java

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/*
 * Copyright 2016 Google 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.google.cloud.bigtable.grpc.scanner;

import com.google.bigtable.v2.Cell;
import com.google.bigtable.v2.Column;
import com.google.bigtable.v2.Family;
import com.google.bigtable.v2.Row;
import com.google.cloud.bigtable.grpc.SimpleRow;
import com.google.cloud.bigtable.grpc.SimpleRow.SimpleColumn;
import com.google.common.collect.ImmutableList;

/**
 * <p>This class converts an instance of {@link com.google.cloud.bigtable.grpc.SimpleRow} to
 * {@link com.google.bigtable.v2.Row}.</p>
 *
 * @author tyagihas
 * @version $Id: $Id
 */
public class SimpleRowConverter {
    public Row.Builder buildRow(SimpleRow row) {
        Row.Builder rowBuilder = Row.newBuilder();
        String prevKey = "";
        Family.Builder familyBuilder = null;
        ImmutableList<SimpleColumn> list = SimpleRow.FamilyColumnOrdering.DEFAULT_ORDERING
                .immutableSortedCopy(row.getList());

        for (int i = 0; i < list.size(); i++) {
            SimpleColumn column = list.get(i);
            if (!prevKey.equals(column.getFamily())) {
                familyBuilder = rowBuilder.addFamiliesBuilder().setName(column.getFamily());
            }
            Column.Builder columnBuilder = Column.newBuilder().setQualifier(column.getQualifier());
            columnBuilder.addCells(Cell.newBuilder().setTimestampMicros(column.getTimestamp())
                    .addAllLabels(column.getLabels()).setValue(column.getValue()).build());
            familyBuilder.addColumns(columnBuilder);
            prevKey = column.getFamily();
        }
        return rowBuilder;
    }
}