org.teiid.language.ColumnReference Maven / Gradle / Ivy
/*
* Copyright Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags and
* the COPYRIGHT.txt file distributed with this work.
*
* 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 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, 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;
}
}