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/*
 * Copyright (c) 2009-2016, Data Geekery GmbH (http://www.datageekery.com)
 * All rights reserved.
 *
 * 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
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 * 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.
 *
 * Other licenses:
 * -----------------------------------------------------------------------------
 * Commercial licenses for this work are available. These replace the above
 * ASL 2.0 and offer limited warranties, support, maintenance, and commercial
 * database integrations.
 *
 * For more information, please visit: http://www.jooq.org/licenses
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package org.jooq;

import java.util.Collection;

import org.jooq.exception.DataAccessException;
import org.jooq.impl.DSL;

/**
 * An intermediate type for the construction of a JOIN clause,
 * where there must be a join criteria added using an ON clause
 * (with a {@link Condition}), or using a USING clause (with a list
 * of {@link Field}).
 *
 * @author Lukas Eder
 */
public interface TableOnStep {

    /**
     * Add an ON clause to the JOIN, connecting them
     * with each other with {@link Operator#AND}.
     */
    @Support
    TableOnConditionStep on(Condition... conditions);

    /**
     * Add an ON clause to the JOIN.
     */
    @Support
    TableOnConditionStep on(Field condition);

    /**
     * Add an ON clause to the JOIN.
     *
     * @deprecated - 3.8.0 - [#4763] - Use {@link #on(Condition...)} or
     *             {@link #on(Field)} instead. Due to ambiguity between
     *             calling this method using {@link Field#equals(Object)}
     *             argument, vs. calling the other method via a
     *             {@link Field#equal(Object)} argument, this method will be
     *             removed in the future.
     */
    @Deprecated
    @Support
    TableOnConditionStep on(Boolean condition);

    /**
     * Add an ON clause to the JOIN.
     * 

* NOTE: When inserting plain SQL into jOOQ objects, you must * guarantee syntax integrity. You may also create the possibility of * malicious SQL injection. Be sure to properly use bind variables and/or * escape literals when concatenated into SQL clauses! * * @see DSL#condition(SQL) * @see SQL */ @Support @PlainSQL TableOnConditionStep on(SQL sql); /** * Add an ON clause to the JOIN. *

* NOTE: When inserting plain SQL into jOOQ objects, you must * guarantee syntax integrity. You may also create the possibility of * malicious SQL injection. Be sure to properly use bind variables and/or * escape literals when concatenated into SQL clauses! * * @see DSL#condition(String) * @see SQL */ @Support @PlainSQL TableOnConditionStep on(String sql); /** * Add an ON clause to the JOIN. *

* NOTE: When inserting plain SQL into jOOQ objects, you must * guarantee syntax integrity. You may also create the possibility of * malicious SQL injection. Be sure to properly use bind variables and/or * escape literals when concatenated into SQL clauses! * * @see DSL#condition(String, Object...) * @see DSL#sql(String, Object...) * @see SQL */ @Support @PlainSQL TableOnConditionStep on(String sql, Object... bindings); /** * Add an ON clause to the JOIN. *

* NOTE: When inserting plain SQL into jOOQ objects, you must * guarantee syntax integrity. You may also create the possibility of * malicious SQL injection. Be sure to properly use bind variables and/or * escape literals when concatenated into SQL clauses! * * @see DSL#condition(String, QueryPart...) * @see DSL#sql(String, QueryPart...) * @see SQL */ @Support @PlainSQL TableOnConditionStep on(String sql, QueryPart... parts); /** * Join a table with the USING(column [, column...]) syntax. *

* If this is not supported by your RDBMS, then jOOQ will try to emulate * this behaviour using the information provided in this query. */ @Support Table using(Field... fields); /** * Join a table with the USING(column [, column...]) syntax. *

* If this is not supported by your RDBMS, then jOOQ will try to emulate * this behaviour using the information provided in this query. */ @Support Table using(Collection> fields); /** * Join the table on a non-ambiguous foreign key relationship between the * two joined tables. *

* See {@link #onKey(ForeignKey)} for examples. * * @see #onKey(ForeignKey) * @throws DataAccessException If there is no non-ambiguous key definition * known to jOOQ */ @Support TableOnConditionStep onKey() throws DataAccessException; /** * Join the table on a non-ambiguous foreign key relationship between the * two joined tables. *

* See {@link #onKey(ForeignKey)} for examples. * * @see #onKey(ForeignKey) * @throws DataAccessException If there is no non-ambiguous key definition * known to jOOQ */ @Support TableOnConditionStep onKey(TableField... keyFields) throws DataAccessException; /** * Join the table on a non-ambiguous foreign key relationship between the * two joined tables. *

* An example:

     * // There is a single foreign key relationship between A and B and it can
     * // be obtained by A.getReferencesTo(B) or vice versa. The order of A and
     * // B is not important
     * A.join(B).onKey();
     *
     * // There are several foreign key relationships between A and B. In order
     * // to disambiguate, you can provide a formal org.jooq.Key reference from
     * // the generated Keys class
     * A.join(B).onKey(key);
     *
     * // There are several foreign key relationships between A and B. In order
     * // to disambiguate, you can provide any non-ambiguous foreign key column
     * A.join(B).onKey(B.A_ID);
     * 
*/ @Support TableOnConditionStep onKey(ForeignKey key); }




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