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Java client for the AOServ Platform.
/*
* aoserv-client - Java client for the AOServ Platform.
* Copyright (C) 2002-2009, 2016, 2017, 2018, 2019 AO Industries, Inc.
* [email protected]
* 7262 Bull Pen Cir
* Mobile, AL 36695
*
* This file is part of aoserv-client.
*
* aoserv-client is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* aoserv-client is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with aoserv-client. If not, see .
*/
package com.aoindustries.aoserv.client.sql;
import com.aoindustries.aoserv.client.AOServConnector;
import com.aoindustries.aoserv.client.AOServObject;
import com.aoindustries.aoserv.client.schema.Column;
import com.aoindustries.aoserv.client.schema.Table;
import com.aoindustries.aoserv.client.schema.Type;
import java.io.IOException;
import java.sql.SQLException;
import java.util.List;
/**
* Gets the value for one column.
*
* @author AO Industries, Inc.
*/
final public class SQLColumnValue extends SQLExpression {
final private Column column;
final private Type columnType;
public SQLColumnValue(AOServConnector conn, Column column) throws SQLException, IOException {
if(column == null) throw new NullPointerException("column is null");
this.column = column;
this.columnType = column.getType(conn);
}
@Override
public String toString() {
return Parser.quote(column.getName());
}
@Override
public String getColumnName() {
return column.getName();
}
@Override
public Object evaluate(AOServConnector conn, AOServObject obj) {
return obj.getColumn(column.getIndex());
}
@Override
public Type getType() {
return columnType;
}
@Override
public void getReferencedTables(AOServConnector conn, List tables) throws SQLException, IOException {
Table table = column.getTable(conn);
if(!tables.contains(table)) tables.add(table);
}
}
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