/*
 * Licensed to Crate under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.  Crate licenses this file
 * to you 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.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial
 * agreement.
 */

package io.crate.operation.aggregation.impl;

import io.crate.Streamer;
import io.crate.types.DataType;
import io.crate.types.DataTypeFactory;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;

import java.io.IOException;

class TDigestStateType extends DataType<TDigestState> implements Streamer<TDigestState>, DataTypeFactory {

    static final int ID = 5120;
    static final TDigestStateType INSTANCE = new TDigestStateType();

    private TDigestStateType() {
    }

    @Override
    public DataType<?> create() {
        return INSTANCE;
    }

    @Override
    public TDigestState readValueFrom(StreamInput in) throws IOException {
        return TDigestState.read(in);
    }

    @Override
    public void writeValueTo(StreamOutput out, Object v) throws IOException {
        TDigestState.write((TDigestState) v, out);
    }

    @Override
    public int id() {
        return ID;
    }

    @Override
    public String getName() {
        return "percentile_state";
    }

    @Override
    public Streamer<?> streamer() {
        return this;
    }

    @Override
    public TDigestState value(Object value) throws IllegalArgumentException, ClassCastException {
        return (TDigestState) value;
    }

    @Override
    public int compareValueTo(TDigestState val1, TDigestState val2) {
        return 0;
    }
}