org.jooq.impl.TableFieldImpl 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.impl;
import static org.jooq.Clause.FIELD;
import static org.jooq.Clause.FIELD_REFERENCE;
import static org.jooq.impl.Utils.DATA_OMIT_CLAUSE_EVENT_EMISSION;
import org.jooq.Binding;
import org.jooq.Clause;
import org.jooq.Context;
import org.jooq.DataType;
import org.jooq.Record;
import org.jooq.Table;
import org.jooq.TableField;
import org.jooq.tools.StringUtils;
/**
* A common base type for table fields.
*
* @author Lukas Eder
*/
class TableFieldImpl extends AbstractField implements TableField {
private static final long serialVersionUID = -2211214195583539735L;
private static final Clause[] CLAUSES = { FIELD, FIELD_REFERENCE };
private final Table table;
TableFieldImpl(String name, DataType type, Table table, String comment, Binding, T> binding) {
super(name, type, comment, binding);
this.table = table;
}
@Override
public final Table getTable() {
return table;
}
// ------------------------------------------------------------------------
// XXX: QueryPart API
// ------------------------------------------------------------------------
@Override
public final Clause[] clauses(Context> ctx) {
return CLAUSES;
}
@Override
public final void accept(Context> ctx) {
ctx.data(DATA_OMIT_CLAUSE_EVENT_EMISSION, true);
if (ctx.qualify()) {
ctx.visit(table);
ctx.sql(".");
}
ctx.literal(getName());
ctx.data(DATA_OMIT_CLAUSE_EVENT_EMISSION, null);
}
// ------------------------------------------------------------------------
// XXX: Object API
// ------------------------------------------------------------------------
@Override
public boolean equals(Object that) {
if (this == that) {
return true;
}
// [#2144] TableFieldImpl equality can be decided without executing the
// rather expensive implementation of AbstractQueryPart.equals()
if (that instanceof TableField) {
TableField, ?> other = (TableField, ?>) that;
return
StringUtils.equals(getTable(), other.getTable()) &&
StringUtils.equals(getName(), other.getName());
}
return super.equals(that);
}
}