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TRAC D.A.P. data library, interfaces and core functionality for working with primary data

There is a newer version: 0.7.0

/*
 * Copyright 2022 Accenture Global Solutions Limited
 *
 * 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 org.finos.tracdap.common.codec;

import org.finos.tracdap.common.data.DataPipeline;
import org.finos.tracdap.common.data.pipeline.BaseDataProducer;

public abstract class BufferDecoder
    extends
        BaseDataProducer
    implements
        ICodec.Decoder,
        DataPipeline.BufferApi {

    protected BufferDecoder() {
        super(DataPipeline.ArrowApi.class);
    }

    @Override
    public DataPipeline.BufferApi dataInterface() {
        return this;
    }

    @Override
    public boolean isReady() {
        // Buffer decoders will only ever receive on chunk, so they are always ready
        return true;
    }

    // Implementations must supply pump(), because BufferDecoder is not immediate
}