org.jooq.QueryPartInternal Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2014, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
* either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
* choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 2.0:
* -----------------------------------------------------------------------------
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq;
import org.jooq.exception.DataAccessException;
/**
* Base functionality declaration for all query objects
*
* This interface is for JOOQ INTERNAL USE only. Do not reference directly
*
* @author Lukas Eder
*/
public interface QueryPartInternal extends QueryPart {
/**
* Render this {@link QueryPart} to a SQL string contained in
* context.sql(). The context will contain
* additional information about how to render this QueryPart,
* e.g. whether this QueryPart should be rendered as a
* declaration or reference, whether this QueryPart's contained
* bind variables should be inlined or replaced by '?', etc.
*/
void toSQL(RenderContext ctx);
/**
* Bind all parameters of this {@link QueryPart} to a PreparedStatement
*
* This method is for JOOQ INTERNAL USE only. Do not reference directly
*
* @param ctx The context holding the next bind index and other information
* for variable binding
* @throws DataAccessException If something went wrong while binding a
* variable
*/
void bind(BindContext ctx) throws DataAccessException;
/**
* The {@link Clause}s that are represented by this query part.
*
* {@link QueryPart}s can specify several Clauses for which an
* event will be emitted {@link Context#start(Clause) before} (in forward
* order) and {@link Context#end(Clause) after} (in reverse order) visiting
* the the query part through {@link Context#visit(QueryPart)}
*
* This method is for JOOQ INTERNAL USE only. Do not reference directly
*
* @return The Clauses represented by this query part or
* null or an empty array if this query part does not
* represent a clause.
*/
Clause[] clauses(Context ctx);
/**
* Check whether this {@link QueryPart} is able to declare fields in a
* SELECT clause.
*
* This method can be used by any {@link Context} to check how a certain SQL
* clause should be rendered.
*
* This method is for JOOQ INTERNAL USE only. Do not reference directly
*/
boolean declaresFields();
/**
* Check whether this {@link QueryPart} is able to declare tables in a
* FROM clause or JOIN clause.
*
* This method can be used by any {@link Context} to check how a certain SQL
* clause should be rendered.
*
* This method is for JOOQ INTERNAL USE only. Do not reference directly
*/
boolean declaresTables();
/**
* Check whether this {@link QueryPart} is able to declare windows in a
* WINDOW clause.
*
* This method can be used by any {@link Context} to check how a certain SQL
* clause should be rendered.
*
* This method is for JOOQ INTERNAL USE only. Do not reference directly
*/
boolean declaresWindows();
}