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Protempa Framework is the core of Protempa.

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/*
 * #%L
 * Protempa Framework
 * %%
 * Copyright (C) 2012 - 2013 Emory University
 * %%
 * 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%
 */
package org.protempa.proposition.value;

/**
 * Interface for classes that do processing on propositions.
 * 
 * @author Andrew Post
 * 
 */
public interface ValueVisitor {

    /**
     * Processes a nominal value.
     *
     * @param nominalValue
     *            a {@link NominalValue}. Cannot be null.
     */
    void visit(NominalValue nominalValue);

    /**
     * Processes an ordinal value.
     *
     * @param ordinalValue
     *            an {@link OrdinalValue}. Cannot be null.
     */
    void visit(OrdinalValue ordinalValue);

    /**
     * Processes a boolean value.
     *
     * @param booleanValue
     *            a {@link BooleanValue}. Cannot be null.
     */
    void visit(BooleanValue booleanValue);

    /**
     * Processes a list of values.
     *
     * @param listValue
     *            a {@link ListValue}. Cannot be null.
     */
    void visit(ValueList listValue);

    /**
     * Processes a number value.
     *
     * @param numberValue
     *            a {@link NumberValue}. Cannot be null.
     */
    void visit(NumberValue numberValue);

    /**
     * Processes an inequality number value.
     *
     * @param inequalityNumberValue
     *            an {@link InequalityNumberValue}.
     *            Cannot be null.
     */
    void visit(InequalityNumberValue inequalityNumberValue);
    
    /**
     * Processes a date value.
     *
     * @param dateValue
     *            an {@link DateValue}.
     *            Cannot be null.
     */
    void visit(DateValue dateValue);
}