001/* 002 * (C) Copyright 2006-2012 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Bogdan Stefanescu 018 * Florent Guillaume 019 */ 020package org.nuxeo.ecm.core.schema.types; 021 022/** 023 * A marker interface for schemas. 024 * <p> 025 * A schema is a complex type that can be used used to create composite types - such as document types. 026 * <p> 027 * Schemas have no super types and must not be used as field types. 028 */ 029public interface Schema extends ComplexType { 030 031 /** 032 * Gets the types declared by this schema. 033 */ 034 Type[] getTypes(); 035 036 /** 037 * Gets a schema local type given its name. 038 * 039 * @param typeName 040 * @return the type or null if no such type 041 */ 042 Type getType(String typeName); 043 044 /** 045 * Registers a new type in that schema context. 046 * 047 * @param type 048 */ 049 void registerType(Type type); 050 051 /** 052 * @return true if the schema's fields are writable even for Version document. 053 * @since 8.4 054 */ 055 default boolean isVersionWritabe() { 056 return false; 057 }; 058 059}