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Implements JDBC code to access a database. It enforces a set of rules for accessing the database. Rules are stored in database.

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/*
Copyright (c) 2010, Geomatics and Cartographic Research Centre, Carleton 
University
All rights reserved.

Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are met:

 - Redistributions of source code must retain the above copyright notice, 
   this list of conditions and the following disclaimer.
 - Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
 - Neither the name of the Geomatics and Cartographic Research Centre, 
   Carleton University nor the names of its contributors may be used to 
   endorse or promote products derived from this software without specific 
   prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
POSSIBILITY OF SUCH DAMAGE.

$Id$
*/
package ca.carleton.gcrc.dbSec;

import java.util.List;

import org.json.JSONObject;

public interface ColumnData {
	enum Type {
		UNKNOWN
		,STRING
		,INTEGER
		,BIGINT
		,DOUBLE
		,GEOMETRY
		,DATE
		,TIME
		,TIMESTAMP
		,BOOLEAN
	};

	public String getColumnName();
	
	public Type getColumnType();
	
	public boolean isReadable();
	
	public boolean isWriteable();

	public boolean isAutoIncrementInteger();
	public String getAutoIncrementSequence() throws Exception;
	public void setAutoIncrementSequence(String autoIncrementSequence);
	
	/**
	 * List of expressions that selects the rows for an access
	 * @return
	 */
	public List getRowSelectors();

	public String getAssignValueOnInsert();

	public String getAssignVariableOnInsert();

	public JSONObject toJSON() throws Exception;
	
	public String getQuerySelector() throws Exception;
	
	public String getWhereWildcard() throws Exception;
	
	public String getInsertWildcard() throws Exception;
}