org.jooq.tools.jdbc.MockResultSetMetaData 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.tools.jdbc;
import java.io.Serializable;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import org.jooq.AttachableInternal;
import org.jooq.Configuration;
import org.jooq.Field;
import org.jooq.Schema;
import org.jooq.Table;
import org.jooq.TableField;
import org.jooq.impl.DSL;
import org.jooq.types.UNumber;
/**
* A mock result set meta data object.
*
* @author Lukas Eder
* @see MockConnection
*/
public class MockResultSetMetaData implements ResultSetMetaData, Serializable {
/**
* Generated UID
*/
private static final long serialVersionUID = -6859273409631070434L;
/**
* The result set reference.
*/
private final MockResultSet rs;
/**
* Create a new mock result set meta data object
*/
public MockResultSetMetaData(MockResultSet rs) {
this.rs = rs;
}
@Override
public T unwrap(Class iface) throws SQLException {
return null;
}
@Override
public boolean isWrapperFor(Class iface) throws SQLException {
return false;
}
@Override
public int getColumnCount() throws SQLException {
rs.checkNotClosed();
return rs.result.fieldsRow().size();
}
@Override
public boolean isAutoIncrement(int column) throws SQLException {
rs.checkNotClosed();
return false;
}
@Override
public boolean isCaseSensitive(int column) throws SQLException {
rs.checkNotClosed();
return true;
}
@Override
public boolean isSearchable(int column) throws SQLException {
rs.checkNotClosed();
return true;
}
@Override
public boolean isCurrency(int column) throws SQLException {
rs.checkNotClosed();
return false;
}
@Override
public int isNullable(int column) throws SQLException {
rs.checkNotClosed();
// TODO: Check generated JSR-303 or JPA annotations for nullability
return ResultSetMetaData.columnNullableUnknown;
}
@Override
public boolean isSigned(int column) throws SQLException {
rs.checkNotClosed();
Field field = rs.result.field(column - 1);
Class type = field.getType();
return Number.class.isAssignableFrom(type) && !UNumber.class.isAssignableFrom(type);
}
@Override
public int getColumnDisplaySize(int column) throws SQLException {
return 0;
}
@Override
public String getColumnLabel(int column) throws SQLException {
return getColumnName(column);
}
@Override
public String getColumnName(int column) throws SQLException {
rs.checkNotClosed();
return rs.result.field(column - 1).getName();
}
@Override
public String getSchemaName(int column) throws SQLException {
rs.checkNotClosed();
Field field = rs.result.field(column - 1);
if (field instanceof TableField) {
Table table = ((TableField) field).getTable();
if (table != null) {
Schema schema = table.getSchema();
if (schema != null) {
Configuration configuration = ((AttachableInternal) rs.result).configuration();
Schema mapped = null;
if (configuration != null) {
mapped = DSL.using(configuration).map(schema);
}
if (mapped != null) {
return mapped.getName();
}
else {
return schema.getName();
}
}
}
}
// By default, no schema is available
return "";
}
@Override
public int getPrecision(int column) throws SQLException {
rs.checkNotClosed();
// TODO: Check generated JSR-303 or JPA annotations for precision
return 0;
}
@Override
public int getScale(int column) throws SQLException {
rs.checkNotClosed();
// TODO: Check generated JSR-303 or JPA annotations for scale
return 0;
}
@Override
public String getTableName(int column) throws SQLException {
rs.checkNotClosed();
Field field = rs.result.field(column - 1);
if (field instanceof TableField) {
Table table = ((TableField) field).getTable();
if (table != null) {
return table.getName();
}
}
// By default, no table is available
return "";
}
@Override
public String getCatalogName(int column) throws SQLException {
rs.checkNotClosed();
// jOOQ doesn't support catalogs yet
return "";
}
@Override
public int getColumnType(int column) throws SQLException {
rs.checkNotClosed();
return rs.result.field(column - 1).getDataType().getSQLType();
}
@Override
public String getColumnTypeName(int column) throws SQLException {
rs.checkNotClosed();
return rs.result.field(column - 1).getDataType().getTypeName();
}
@Override
public boolean isReadOnly(int column) throws SQLException {
rs.checkNotClosed();
return true;
}
@Override
public boolean isWritable(int column) throws SQLException {
rs.checkNotClosed();
return false;
}
@Override
public boolean isDefinitelyWritable(int column) throws SQLException {
rs.checkNotClosed();
return false;
}
@Override
public String getColumnClassName(int column) throws SQLException {
rs.checkNotClosed();
return rs.result.field(column - 1).getType().getName();
}
}