io.prestosql.plugin.accumulo.model.WrappedRange Maven / Gradle / Ivy

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/*
 * 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 io.prestosql.plugin.accumulo.model;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonValue;
import com.google.common.io.ByteArrayDataOutput;
import com.google.common.io.ByteStreams;
import org.apache.accumulo.core.data.Range;

import java.io.DataInput;
import java.io.IOException;

public class WrappedRange
{
    private final Range range;

    public WrappedRange(Range range)
    {
        this.range = range;
    }

    public Range getRange()
    {
        return range;
    }

    @JsonValue
    public byte[] toBytes()
            throws IOException
    {
        ByteArrayDataOutput out = ByteStreams.newDataOutput();
        range.write(out);
        return out.toByteArray();
    }

    @JsonCreator
    public static WrappedRange fromBytes(byte[] bytes)
            throws IOException
    {
        DataInput in = ByteStreams.newDataInput(bytes);
        Range range = new Range();
        range.readFields(in);
        return new WrappedRange(range);
    }
}