package org.embulk.input.mysql;

import java.util.Collections;
import java.util.List;
import java.util.Map.Entry;

import org.embulk.config.ConfigSource;
import org.embulk.config.DataSource;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ObjectNode;

public class EmptyConfigSource implements ConfigSource
{

    @Override
    public <E> E get(Class<E> type, String attrName)
    {
        return null;
    }

    @Override
    public <E> E get(Class<E> type, String attrName, E defaultValue)
    {
        return defaultValue;
    }

    @Override
    public List<String> getAttributeNames()
    {
        return Collections.emptyList();
    }

    @Override
    public Iterable<Entry<String, JsonNode>> getAttributes()
    {
        return Collections.emptyList();
    }

    @Override
    public ObjectNode getObjectNode()
    {
        return null;
    }

    @Override
    public boolean isEmpty()
    {
        return true;
    }

    @Override
    public ConfigSource deepCopy()
    {
        return this;
    }

    @Override
    public ConfigSource getNested(String s)
    {
        return null;
    }

    @Override
    public ConfigSource getNestedOrSetEmpty(String s)
    {
        return null;
    }

    @Override
    public <T> T loadConfig(Class<T> class1)
    {
        return null;
    }

    @Override
    public ConfigSource merge(DataSource datasource)
    {
        return null;
    }

    @Override
    public ConfigSource set(String s, Object obj)
    {
        return null;
    }

    @Override
    public ConfigSource setAll(DataSource datasource)
    {
        return null;
    }

    @Override
    public ConfigSource setNested(String s, DataSource datasource)
    {
        return null;
    }

    @Override
    public ConfigSource remove(String arg0) {
        return null;
    }

}