/* 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.flowable.common.engine.impl.el;

import org.flowable.common.engine.api.variable.VariableContainer;

/**
 * An evaluation state which is used when getting or setting a value via {@link org.flowable.common.engine.api.delegate.Expression Expression}.
 *
 * @author Filip Hrisafov
 */
public enum EvaluationState {

    /**
     * Read evaluation via {@link org.flowable.common.engine.api.delegate.Expression#getValue(VariableContainer) Expression.getValue(VariableContainer}
     */
    READ,
    /**
     * Write evaluation via {@link org.flowable.common.engine.api.delegate.Expression#setValue(Object, VariableContainer) Expression.setValue(Object, VariableContainer)}
     */
    WRITE

}
