/**
* Copyright 2009 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.wave.data;
import org.waveprotocol.wave.model.document.Document;
import org.waveprotocol.wave.model.document.indexed.IndexedDocument;
import org.waveprotocol.wave.model.document.operation.DocOp;
import org.waveprotocol.wave.model.document.operation.DocInitialization;
import org.waveprotocol.wave.model.document.operation.automaton.DocumentSchema;
import org.waveprotocol.wave.model.document.operation.impl.DocInitializationBuffer;
import org.waveprotocol.wave.model.document.raw.impl.Element;
import org.waveprotocol.wave.model.document.raw.impl.Node;
import org.waveprotocol.wave.model.document.raw.impl.Text;
import org.waveprotocol.wave.model.document.util.DocProviders;
import org.waveprotocol.wave.model.id.WaveletId;
import org.waveprotocol.wave.model.operation.OperationException;
import org.waveprotocol.wave.model.operation.SilentOperationSink;
import org.waveprotocol.wave.model.schema.SchemaProvider;
/**
* A factory for plain old non-observable indexed documents.
*
* A {@link DocumentOperationSink} produced by this factory does
* not provides a mutable {@link Document}.
*
*/
public final class IndexedDocumentFactory implements DocumentFactory<DocumentOperationSink> {
private final SchemaProvider schemas;
public IndexedDocumentFactory(SchemaProvider schemas) {
this.schemas = schemas;
}
@Override
public DocumentOperationSink create(final WaveletId waveletId, final String docId,
final DocInitialization content) {
return new DocumentOperationSink() {
private final DocumentSchema schema = schemas.getSchemaForId(waveletId, docId);
private final IndexedDocument<Node, Element, Text> document =
DocProviders.POJO.build(content, schema);
@Override
public DocInitialization asOperation() {
DocInitializationBuffer builder = new DocInitializationBuffer();
document.asOperation().apply(builder);
return builder.finish();
}
@Override
public void consume(DocOp op) throws OperationException {
document.consume(op);
}
@Override
public Document getMutableDocument() {
throw new UnsupportedOperationException(
"This document implementation does not support mutable documents");
}
@Override
public void init(SilentOperationSink<? super DocOp> outputSink) {
throw new UnsupportedOperationException(
"This document implementation does not support mutable documents");
}
};
}
}