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/*
 * reserved comment block
 * DO NOT REMOVE OR ALTER!
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/*
 * Copyright 2003,2004 The Apache Software Foundation.
 *
 * 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 jdk8u.jaxp.org.apache.xerces.external.xs;

/**
 * This interface represents an XML Schema.
 */
public interface XSModel {
    /**
     * Convenience method. Returns a list of all namespaces that belong to
     * this schema. The value null is not a valid namespace
     * name, but if there are components that do not have a target namespace
     * , null is included in this list.
     */
    public StringList getNamespaces();

    /**
     * A set of namespace schema information information items (of type
     * XSNamespaceItem), one for each namespace name which
     * appears as the target namespace of any schema component in the schema
     * used for that assessment, and one for absent if any schema component
     * in the schema had no target namespace. For more information see
     * schema information.
     */
    public XSNamespaceItemList getNamespaceItems();

    /**
     * Returns a list of top-level components, i.e. element declarations,
     * attribute declarations, etc.
     * @param objectType The type of the declaration, i.e.
     *   ELEMENT_DECLARATION. Note that
     *   XSTypeDefinition.SIMPLE_TYPE and
     *   XSTypeDefinition.COMPLEX_TYPE can also be used as the
     *   objectType to retrieve only complex types or simple
     *   types, instead of all types.
     * @return  A list of top-level definitions of the specified type in
     *   objectType or an empty XSNamedMap if no
     *   such definitions exist.
     */
    public XSNamedMap getComponents(short objectType);

    /**
     * Convenience method. Returns a list of top-level component declarations
     * that are defined within the specified namespace, i.e. element
     * declarations, attribute declarations, etc.
     * @param objectType The type of the declaration, i.e.
     *   ELEMENT_DECLARATION.
     * @param namespace The namespace to which the declaration belongs or
     *   null (for components with no target namespace).
     * @return  A list of top-level definitions of the specified type in
     *   objectType and defined in the specified
     *   namespace or an empty XSNamedMap.
     */
    public XSNamedMap getComponentsByNamespace(short objectType,
                                               String namespace);

    /**
     *  [annotations]: a set of annotations if it exists, otherwise an empty
     * XSObjectList.
     */
    public XSObjectList getAnnotations();

    /**
     * Convenience method. Returns a top-level element declaration.
     * @param name The name of the declaration.
     * @param namespace The namespace of the declaration, otherwise
     *   null.
     * @return A top-level element declaration or null if such a
     *   declaration does not exist.
     */
    public XSElementDeclaration getElementDeclaration(String name,
                                                      String namespace);

    /**
     * Convenience method. Returns a top-level attribute declaration.
     * @param name The name of the declaration.
     * @param namespace The namespace of the declaration, otherwise
     *   null.
     * @return A top-level attribute declaration or null if such
     *   a declaration does not exist.
     */
    public XSAttributeDeclaration getAttributeDeclaration(String name,
                                                          String namespace);

    /**
     * Convenience method. Returns a top-level simple or complex type
     * definition.
     * @param name The name of the definition.
     * @param namespace The namespace of the declaration, otherwise
     *   null.
     * @return An XSTypeDefinition or null if such
     *   a definition does not exist.
     */
    public XSTypeDefinition getTypeDefinition(String name,
                                              String namespace);

    /**
     * Convenience method. Returns a top-level attribute group definition.
     * @param name The name of the definition.
     * @param namespace The namespace of the definition, otherwise
     *   null.
     * @return A top-level attribute group definition or null if
     *   such a definition does not exist.
     */
    public XSAttributeGroupDefinition getAttributeGroup(String name,
                                                        String namespace);

    /**
     * Convenience method. Returns a top-level model group definition.
     * @param name The name of the definition.
     * @param namespace The namespace of the definition, otherwise
     *   null.
     * @return A top-level model group definition or null if
     *   such a definition does not exist.
     */
    public XSModelGroupDefinition getModelGroupDefinition(String name,
                                                          String namespace);

    /**
     * Convenience method. Returns a top-level notation declaration.
     * @param name The name of the declaration.
     * @param namespace The namespace of the declaration, otherwise
     *   null.
     * @return A top-level notation declaration or null if such
     *   a declaration does not exist.
     */
    public XSNotationDeclaration getNotationDeclaration(String name,
                                                        String namespace);

    /**
     * Convenience method. Returns a list containing the members of the
     * substitution group for the given XSElementDeclaration
     * or an empty XSObjectList if the substitution group
     * contains no members.
     * @param head The substitution group head.
     * @return A list containing the members of the substitution group
     *  for the given XSElementDeclaration or an empty
     *  XSObjectList if the substitution group contains
     *  no members.
     */
    public XSObjectList getSubstitutionGroup(XSElementDeclaration head);

}