/**
* 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.impl;
import static java.util.Arrays.asList;
import static org.jooq.Clause.CONDITION;
import static org.jooq.Clause.CONDITION_IN;
import static org.jooq.Clause.CONDITION_NOT_IN;
import static org.jooq.Comparator.EQUALS;
import static org.jooq.Comparator.IN;
import static org.jooq.Comparator.NOT_IN;
// ...
// ...
// ...
import static org.jooq.SQLDialect.DERBY;
import static org.jooq.SQLDialect.FIREBIRD;
// ...
import static org.jooq.SQLDialect.SQLITE;
// ...
// ...
import java.util.ArrayList;
import java.util.List;
import org.jooq.Clause;
import org.jooq.Comparator;
import org.jooq.Condition;
import org.jooq.Configuration;
import org.jooq.Context;
import org.jooq.Operator;
import org.jooq.QueryPartInternal;
import org.jooq.Row;
/**
* @author Lukas Eder
*/
class RowInCondition extends AbstractCondition {
/**
* Generated UID
*/
private static final long serialVersionUID = -1806139685201770706L;
private static final Clause[] CLAUSES_IN = { CONDITION, CONDITION_IN };
private static final Clause[] CLAUSES_IN_NOT = { CONDITION, CONDITION_NOT_IN };
private final Row left;
private final QueryPartList<? extends Row> right;
private final Comparator comparator;
RowInCondition(Row left, QueryPartList<? extends Row> right, Comparator comparator) {
this.left = left;
this.right = right;
this.comparator = comparator;
}
@Override
public final void accept(Context<?> ctx) {
delegate(ctx.configuration()).accept(ctx);
}
@Override
public final Clause[] clauses(Context<?> ctx) {
return delegate(ctx.configuration()).clauses(ctx);
}
private final QueryPartInternal delegate(Configuration configuration) {
if (asList(DERBY, FIREBIRD, SQLITE).contains(configuration.dialect().family())) {
List<Condition> conditions = new ArrayList<Condition>();
for (Row row : right) {
conditions.add(new RowCondition(left, row, EQUALS));
}
Condition result = new CombinedCondition(Operator.OR, conditions);
if (comparator == NOT_IN) {
result = result.not();
}
return (QueryPartInternal) result;
}
else {
return new Native();
}
}
private class Native extends AbstractCondition {
/**
* Generated UID
*/
private static final long serialVersionUID = -7019193803316281371L;
@Override
public final void accept(Context<?> ctx) {
ctx.visit(left)
.sql(" ")
.keyword(comparator.toSQL())
.sql(" (")
.visit(right)
.sql(")");
}
@Override
public final Clause[] clauses(Context<?> ctx) {
return comparator == IN ? CLAUSES_IN : CLAUSES_IN_NOT;
}
}
}