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Support end to end test of ActFramework application

There is a newer version: 1.0.0

package act.e2e.verifier;

/*-
 * #%L
 * ACT E2E Plugin
 * %%
 * Copyright (C) 2018 ActFramework
 * %%
 * 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.
 * #L%
 */

import org.osgl.$;

public class Exists extends Verifier {

    @Override
    public boolean verify(Object value) {
        boolean b = $.bool(initVal);
        return (b && null != value) || (!b && null == value);
    }
}