ExpectedArgumentCountAware.java

/*
 * Copyright 2013 Nokia Solutions and Networks Oyj
 *
 * 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.robotframework.javalib.keyword;

public interface ExpectedArgumentCountAware {

    /**
     * Returns the number of arguments the keyword expects to get from
     * Robot. Before the call to org.robotframework.javalib.keyword.Keyword#execute,
     * the return value of this
     * method is used to check whether we have the correct number of
     * arguments. All subclasses must implement.
     *
     * @return number of arguments expected from Robot
     */
    int getExpectedArgumentCount();
}