38 lines
1.2 KiB
Java
38 lines
1.2 KiB
Java
package it.cavallium.dbengine.client;
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import io.netty.buffer.api.Buffer;
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import it.cavallium.dbengine.database.serialization.SerializationException;
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import it.cavallium.dbengine.database.serialization.SerializerFixedBinaryLength;
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import org.jetbrains.annotations.NotNull;
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public class MappedSerializerFixedLength<A, B> implements SerializerFixedBinaryLength<B, Buffer> {
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private final SerializerFixedBinaryLength<A, Buffer> fixedLengthSerializer;
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private final Mapper<A, B> keyMapper;
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public MappedSerializerFixedLength(SerializerFixedBinaryLength<A, Buffer> fixedLengthSerializer,
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Mapper<A, B> keyMapper) {
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this.fixedLengthSerializer = fixedLengthSerializer;
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this.keyMapper = keyMapper;
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}
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@Override
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public @NotNull B deserialize(@NotNull Buffer serialized) throws SerializationException {
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try {
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return keyMapper.map(fixedLengthSerializer.deserialize(serialized.retain()));
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} finally {
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serialized.release();
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}
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}
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@Override
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public @NotNull Buffer serialize(@NotNull B deserialized) throws SerializationException {
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return fixedLengthSerializer.serialize(keyMapper.unmap(deserialized));
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}
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@Override
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public int getSerializedBinaryLength() {
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return fixedLengthSerializer.getSerializedBinaryLength();
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}
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}
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