package com.tesora.dve.sql.transform.execution;

/*
 * #%L
 * Tesora Inc.
 * Database Virtualization Engine
 * %%
 * Copyright (C) 2011 - 2014 Tesora Inc.
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 * 
 * 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/>.
 * #L%
 */

import com.tesora.dve.sql.util.BinaryProcedure;
import com.tesora.dve.sql.util.Functional;
import com.tesora.dve.sql.util.ListOfPairs;
import com.tesora.dve.sql.util.Pair;

public class PassThroughCommand<T,K,V> {

	public enum Command {
		CREATE, DROP, ALTER, SHOW
	}

	protected T target;
	protected Command action;
	protected ListOfPairs<K, V> options;
	
	public PassThroughCommand(Command a, T target, ListOfPairs<K,V> opts) {
		this.action = a;
		this.target = target;
		this.options = opts;
	}
	
	public Command getAction() {
		return action;
	}
	
	public T getTarget() {
		return target;
	}
	
	public ListOfPairs<K,V> getOptions() {
		return options;
	}
	
	@Override
	public String toString() {
		StringBuilder buf = new StringBuilder();
		buf.append(this.getClass().getName()).append(":'").append(getTarget()).append("':")
			.append(action).append("{");
		Functional.join(options, buf, ", ", new BinaryProcedure<Pair<K, V>, StringBuilder>() {

			@Override
			public void execute(Pair<K, V> aobj, StringBuilder bobj) {
				bobj.append(aobj.getFirst()).append("=").append(aobj.getSecond());
			}
			
		});
		buf.append("}");
		return buf.toString();
	}

}