/**
* 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 java.util.ArrayList;
import java.util.List;
import org.jooq.Clause;
import org.jooq.Context;
import org.jooq.Field;
import org.jooq.ForeignKey;
import org.jooq.Record;
import org.jooq.Row;
import org.jooq.Table;
/**
* @author Lukas Eder
*/
class TableAlias<R extends Record> extends AbstractTable<R> {
private static final long serialVersionUID = -8417114874567698325L;
private final Alias<Table<R>> alias;
private final Fields<R> aliasedFields;
TableAlias(Table<R> table, String alias) {
this(table, alias, null, false);
}
TableAlias(Table<R> table, String alias, boolean wrapInParentheses) {
this(table, alias, null, wrapInParentheses);
}
TableAlias(Table<R> table, String alias, String[] fieldAliases) {
this(table, alias, fieldAliases, false);
}
TableAlias(Table<R> table, String alias, String[] fieldAliases, boolean wrapInParentheses) {
super(alias, table.getSchema());
this.alias = new Alias<Table<R>>(table, alias, fieldAliases, wrapInParentheses);
this.aliasedFields = init(fieldAliases);
}
/**
* Register fields for this table alias
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
private final Fields<R> init(String[] fieldAliases) {
List<Field<?>> result = new ArrayList<Field<?>>();
Row row = this.alias.wrapped().fieldsRow();
int size = row.size();
for (int i = 0; i < size; i++) {
Field<?> field = row.field(i);
String name = field.getName();
if (fieldAliases != null && fieldAliases.length > i) {
name = fieldAliases[i];
}
result.add(new TableFieldImpl(name, field.getDataType(), this, field.getComment(), field.getBinding()));
}
return new Fields<R>(result);
}
/**
* Get the aliased table wrapped by this table
*/
Table<R> getAliasedTable() {
if (alias != null) {
return alias.wrapped();
}
return null;
}
@Override
public final List<ForeignKey<R, ?>> getReferences() {
return alias.wrapped().getReferences();
}
@Override
public final void accept(Context<?> ctx) {
ctx.visit(alias);
}
@Override
public final Clause[] clauses(Context<?> ctx) {
return null;
}
@Override
public final Table<R> as(String as) {
return alias.wrapped().as(as);
}
@Override
public final Table<R> as(String as, String... fieldAliases) {
return alias.wrapped().as(as, fieldAliases);
}
@Override
public final boolean declaresTables() {
return true;
}
@Override
final Fields<R> fields0() {
return aliasedFields;
}
@Override
public Class<? extends R> getRecordType() {
return alias.wrapped().getRecordType();
}
}