com.torodb.backend.postgresql.converters.jooq.BinaryValueConverter.java Source code

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Here is the source code for com.torodb.backend.postgresql.converters.jooq.BinaryValueConverter.java

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/*
 * ToroDB
 * Copyright  2014 8Kdata Technology (www.8kdata.com)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package com.torodb.backend.postgresql.converters.jooq;

import com.google.common.io.ByteSource;
import com.torodb.backend.converters.jooq.DataTypeForKv;
import com.torodb.backend.converters.jooq.KvValueConverter;
import com.torodb.backend.converters.sql.BinarySqlBinding;
import com.torodb.backend.converters.sql.SqlBinding;
import com.torodb.kvdocument.types.BinaryType;
import com.torodb.kvdocument.types.KvType;
import com.torodb.kvdocument.values.KvBinary;
import com.torodb.kvdocument.values.KvBinary.KvBinarySubtype;
import com.torodb.kvdocument.values.heap.ByteSourceKvBinary;
import org.jooq.util.postgres.PostgresDataType;

/**
 *
 */
public class BinaryValueConverter implements KvValueConverter<byte[], byte[], KvBinary> {

    private static final long serialVersionUID = 1L;

    public static final DataTypeForKv<KvBinary> TYPE = DataTypeForKv.from(PostgresDataType.BYTEA,
            new BinaryValueConverter(), -2);

    @Override
    public KvType getErasuredType() {
        return BinaryType.INSTANCE;
    }

    @Override
    public KvBinary from(byte[] databaseObject) {
        return new ByteSourceKvBinary(KvBinarySubtype.MONGO_GENERIC, (byte) 0, ByteSource.wrap(databaseObject));
    }

    @Override
    public byte[] to(KvBinary userObject) {
        return userObject.getByteSource().read();
    }

    @Override
    public Class<byte[]> fromType() {
        return byte[].class;
    }

    @Override
    public Class<KvBinary> toType() {
        return KvBinary.class;
    }

    @Override
    public SqlBinding<byte[]> getSqlBinding() {
        return BinarySqlBinding.INSTANCE;
    }

}