/*
* #!
* Ontopia Engine
* #-
* Copyright (C) 2001 - 2013 The Ontopia Project
* #-
* 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.
* !#
*/
package net.ontopia.persistence.query.sql;
import net.ontopia.persistence.proxy.DefaultFieldHandler;
import net.ontopia.persistence.proxy.FieldHandlerIF;
/**
* INTERNAL: Represents a verbatim SQL expression.
*/
public class SQLVerbatimExpression implements SQLExpressionIF {
protected static final Class DEFAULT_VALUE_TYPE = java.lang.String.class;
protected static final FieldHandlerIF DEFAULT_FIELD_HANDLER = new DefaultFieldHandler(java.sql.Types.VARCHAR);
protected Object value;
protected String alias; // column alias. e.g. A.foo as 'Foo Bar'
protected SQLTable[] tables;
protected Class vtype;
protected FieldHandlerIF fhandler;
public SQLVerbatimExpression(Object value) {
this.value = value;
}
public SQLVerbatimExpression(Object value, SQLTable[] tables) {
this.value = value;
this.tables = tables;
}
public int getType() {
return VERBATIM;
}
public Object getValue() {
return value;
}
/**
* INTERNAL: Returns the tables that are involved in the verbatim
* expression. This information is neccessary so that the FROM
* clause can be correctly generated.
*/
public SQLTable[] getTables() {
return tables;
}
public void setTables(SQLTable[] tables) {
this.tables = tables;
}
public String toString() {
return "verbatim: " + getValue();
}
}