org.sfm.datastax.impl.setter.SetWithConverterSettableDataSetter Maven / Gradle / Ivy

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Cassandra Datastax SFM supports.

There is a newer version: 8.2.3

package org.sfm.datastax.impl.setter;

import com.datastax.driver.core.SettableByIndexData;
import org.sfm.reflect.Setter;
import org.sfm.utils.conv.Converter;

import java.util.HashSet;
import java.util.Set;

public class SetWithConverterSettableDataSetter implements Setter> {
    private final int index;
    private final Converter converter;

    public SetWithConverterSettableDataSetter(int index, Converter converter) {
        this.index = index;
        this.converter = converter;
    }

    @Override
    public void set(SettableByIndexData target, Set value) throws Exception {
        if (value == null) {
            target.setToNull(index);
        } else {
            Set list = new HashSet(value.size());
            for(I i : value) {
                list.add(converter.convert(i));
            }
            target.setSet(index, list);
        }
    }
}