jodd.db.oom.DbSqlGenerator Maven / Gradle / Ivy

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// Copyright (c) 2003-2012, Jodd Team (jodd.org). All Rights Reserved.

package jodd.db.oom;

import jodd.db.oom.sqlgen.ParameterValue;

import java.util.Map;

/**
 * Generates SQL queries.
 */
public interface DbSqlGenerator {

	/**
	 * Generates SQL query.
	 */
	String generateQuery();

	/**
	 * Returns a map of SQL parameters used by generated query.
	 * Must be invoked only after the {@link #generateQuery()}.
	 * May be null
	 */
	Map getQueryParameters();

	/**
	 * Returns an optional map of table and column names, used by {@link jodd.db.oom.mapper.ResultSetMapper}.
	 * May be null.
	 */
	Map getColumnData();

	/**
	 * Returns join hints. May be null.
	 */
	String[] getJoinHints();

}