ValueStore.java

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 * Licensed to the Apache Software Foundation (ASF) under one or more
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package com.sun.org.apache.xerces.internal.impl.xs.identity;

import com.sun.org.apache.xerces.internal.xs.ShortList;


/**
 * Interface for storing values associated to an identity constraint.
 * Each value stored corresponds to a field declared for the identity
 * constraint. One instance of an object implementing this interface
 * is created for each identity constraint per element declaration in
 * the instance document to store the information for this identity
 * constraint.
 * <p>
 * <strong>Note:</strong> The component performing identity constraint
 * collection and validation is responsible for providing an
 * implementation of this interface. The component is also responsible
 * for performing the necessary checks required by each type of identity
 * constraint.
 *
 * @xerces.internal
 *
 * @author Andy Clark, IBM
 *
 */
public interface ValueStore {

    //
    // ValueStore methods
    //

    /**
     * Adds the specified value to the value store.
     *
     * @param field The field associated to the value. This reference
     *              is used to ensure that each field only adds a value
     *              once within a selection scope.
     * @param mayMatch a flag indiciating whether the field may be matched.
     * @param actualValue The value to add.
     * @param valueType Type of the value to add.
     * @param itemValueType If the value is a list, a list of types for each of the values in the list.
     */
    public void addValue(Field field, boolean mayMatch, Object actualValue, short valueType, ShortList itemValueType);

    /**
     * Since the valueStore will have access to an error reporter, this
     * allows it to be called appropriately.
     * @param key  the key of the localized error message
     * @param args  the list of arguments for substitution.
     */
    public void reportError(String key, Object[] args);


} // interface ValueStore