/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * 
 *      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.drools.template.objects;

import org.drools.template.DataProvider;

public class ArrayDataProvider implements DataProvider {

    private String[][] rows;
    private int        currRow;
    private int        rowsCount;

    public ArrayDataProvider(String[][] rows) {
        if (rows == null) {
            this.rows = new String[0][0];
        } else {
            this.rows = rows;
        }
        this.currRow = 0;
        this.rowsCount = this.rows.length;
    }

    public boolean hasNext() {
        return currRow < rowsCount;
    }

    public String[] next() {
        return rows[currRow++];
    }

}