/*
 * 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;

/** 
 * Represents a LIMIT clause with row offset and row limit values to bound the resulting rows
 */
public class Limit extends BaseLanguageObject {

    private int rowOffset;
    private int rowLimit;
    
    public Limit(int offset, int rowLimit) {
        this.rowOffset = offset;
        this.rowLimit = rowLimit;
    }

    /**
     * Get the max number of rows returned.
     */
    public int getRowLimit() {
        return rowLimit;
    }

    /**
     * Get the row offset at which to begin returning rows.
     */
    public int getRowOffset() {
        return rowOffset;
    }
    
    public void setRowLimit(int rowLimit) {
		this.rowLimit = rowLimit;
	}
    
    public void setRowOffset(int rowOffset) {
		this.rowOffset = rowOffset;
	}

    public void acceptVisitor(LanguageObjectVisitor visitor) {
        visitor.visit(this);
    }

}
