org.teiid.language.Join Maven / Gradle / Ivy
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* 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;
public class Join extends BaseLanguageObject implements TableReference {
public enum JoinType {
INNER_JOIN,
CROSS_JOIN,
LEFT_OUTER_JOIN,
RIGHT_OUTER_JOIN,
FULL_OUTER_JOIN
}
private TableReference leftItem;
private TableReference rightItem;
private JoinType joinType;
private Condition condition;
public Join(TableReference left, TableReference right, JoinType joinType, Condition criteria) {
this.leftItem = left;
this.rightItem = right;
this.joinType = joinType;
this.condition = criteria;
}
public TableReference getLeftItem() {
return leftItem;
}
public TableReference getRightItem() {
return rightItem;
}
public JoinType getJoinType() {
return this.joinType;
}
public Condition getCondition() {
return condition;
}
public void acceptVisitor(LanguageObjectVisitor visitor) {
visitor.visit(this);
}
public void setLeftItem(TableReference item) {
this.leftItem = item;
}
public void setRightItem(TableReference item) {
this.rightItem = item;
}
public void setJoinType(JoinType type) {
this.joinType = type;
}
public void setCondition(Condition criteria) {
this.condition = criteria;
}
}