/* This is free and unencumbered software released into the public domain.
 * 
 * Anyone is free to copy, modify, publish, use, compile, sell, or
 * distribute this software, either in source code form or as a compiled
 * binary, for any purpose, commercial or non-commercial, and by any
 * means.
 * 
 * In jurisdictions that recognize copyright laws, the author or authors
 * of this software dedicate any and all copyright interest in the
 * software to the public domain. We make this dedication for the benefit
 * of the public at large and to the detriment of our heirs and
 * successors. We intend this dedication to be an overt act of
 * relinquishment in perpetuity of all present and future rights to this
 * software under copyright law.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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package org.das2.catalog;

import java.util.Map;
import org.das2.qds.QDataSet;

/** Source nodes add extra functions to generic catalog nodes
 *
 * @author cwp
 */
public interface DasSrcNode extends DasNode {

	/** Determine if the given list of query parameters are valid
	 * 
	 * @param dQuery
	 * @return True if this set of parameters is valid, false otherwise
	 */
	public boolean queryVerify(Map<String, String> dQuery);

	/** Given a parameter query string, get the access information.  
	 * 
	 * In an ideal world this would just return the dataset itself.  But that is the 
	 * point of the org.autoplot.DataSource interface and it's on the fly factory
	 * discovery.
	 * 
	 * @param dQuery
	 * @return 
	 */
	QDataSet query(Map<String, String> dQuery);
	
}