/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.language;
import org.teiid.language.visitor.LanguageObjectVisitor;
import org.teiid.metadata.Column;
/**
* Represents an element in the language. An example of an element
* would be a column reference in a SELECT clause.
*/
public class ColumnReference extends BaseLanguageObject implements MetadataReference<Column>, Expression {
private NamedTable table;
private String name;
private Column metadataObject;
private Class<?> type;
public ColumnReference(NamedTable group, String name, Column metadataObject, Class<?> type) {
this.table = group;
this.name = name;
this.metadataObject = metadataObject;
this.type = type;
}
/**
* Gets the name of the element.
* @return the name of the element
*/
public String getName() {
return this.name;
}
/**
* Return the table that contains this column. May be null.
* @return The group reference
*/
public NamedTable getTable() {
return table;
}
@Override
public Column getMetadataObject() {
return this.metadataObject;
}
public void setMetadataObject(Column metadataObject) {
this.metadataObject = metadataObject;
}
public void acceptVisitor(LanguageObjectVisitor visitor) {
visitor.visit(this);
}
public void setTable(NamedTable group) {
this.table = group;
}
public Class<?> getType() {
return this.type;
}
/**
* Sets the name of the element.
* @param name The name of the element
*/
public void setName(String name) {
this.name = name;
}
public void setType(Class<?> type) {
this.type = type;
}
}