/** * Copyright 2010 Google Inc. * * 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.waveprotocol.wave.model.schema; import org.waveprotocol.wave.model.document.operation.automaton.DocumentSchema; import org.waveprotocol.wave.model.id.WaveletId; /** * Instances can provide schemas for documents. * */ public interface SchemaProvider { /** * Finds the schema to use for a particular document. * * @param waveletId wavelet in which the document exists * @param documentId id of the document * @return the schema to use for a document or {@link DocumentSchema#NO_SCHEMA_CONSTRAINTS} * if no schema could be found. */ DocumentSchema getSchemaForId(WaveletId waveletId, String documentId); }