Java DocOpCollector类代码示例

import org.waveprotocol.wave.model.document.operation.algorithm.DocOpCollector; //导入依赖的package包/类
@Override
public List<DocOp> compact(List<DocOp> clientOps) {
  if (clientOps.isEmpty()) {
    return clientOps;
  }
  DocOpCollector c = new DocOpCollector();
  for (DocOp op : clientOps) {
    c.add(op);
  }
  return ImmutableList.of(c.composeAll());
}
 

import org.waveprotocol.wave.model.document.operation.algorithm.DocOpCollector; //导入依赖的package包/类
DocDiff(long lastReadVersion) {
  Preconditions.checkArgument(lastReadVersion >= 0, "lastReadVersion = %s", lastReadVersion);
  this.lastReadVersion = lastReadVersion;
  this.state = new DocOpCollector();
  this.diff = new DocOpCollector();
}
 

import org.waveprotocol.wave.model.document.operation.algorithm.DocOpCollector; //导入依赖的package包/类
@Override
void collectInto(DocOpCollector collector) {
  collector.add(docOp);
}
 

import org.waveprotocol.wave.model.document.operation.algorithm.DocOpCollector; //导入依赖的package包/类
/**
 * Composes all the operations together and returns the result.
 *
 * @return The composition of all the operations in the list.
 */
DocOp composeAll() {
  DocOpCollector collector = new DocOpCollector();
  collectInto(collector);
  return collector.composeAll();
}
 

import org.waveprotocol.wave.model.document.operation.algorithm.DocOpCollector; //导入依赖的package包/类
/**
 * Transforms a pair of operations.
 *
 * @param clientOp the operation from the client
 * @param serverOp the operation from the server
 * @return the transformed pair of operations
 * @throws TransformException if a problem was encountered during the
 *         transformation process
 */
public static OperationPair<DocOp> transform(DocOp clientOp,
    DocOp serverOp) throws TransformException {
  try {
    Decomposition c = Decomposer.decompose(clientOp);
    Decomposition s = Decomposer.decompose(serverOp);
    DocOp ci = c.insertion;
    DocOp cp = c.preservation;
    DocOp cd = c.deletion;
    DocOp si = s.insertion;
    DocOp sp = s.preservation;
    DocOp sd = s.deletion;
    OperationPair<DocOp> r =
        new InsertionInsertionTransformer().transformOperations(ci, si);
    ci = r.clientOp();
    si = r.serverOp();
    r = new InsertionPreservationTransformer().transformOperations(ci, sp);
    ci = r.clientOp();
    sp = r.serverOp();
    r = new InsertionPreservationTransformer().transformOperations(si, cp);
    si = r.clientOp();
    cp = r.serverOp();
    r = new InsertionDeletionTransformer().transformOperations(ci, sd);
    ci = r.clientOp();
    sd = r.serverOp();
    r = new InsertionDeletionTransformer().transformOperations(si, cd);
    si = r.clientOp();
    cd = r.serverOp();
    DocOpCollector clientCollector = new DocOpCollector();
    DocOpCollector serverCollector = new DocOpCollector();
    clientCollector.add(ci);
    serverCollector.add(si);
    while (!AnnotationTamenessChecker.checkTameness(cp, sp, cd, sd)) {
      r = new PreservationPreservationTransformer().transformOperations(cp, sp);
      cp = r.clientOp();
      sp = r.serverOp();
      Pair<DocOp, Pair<DocOp, DocOp>> rc =
          new PreservationDeletionTransformer().transformOperations(cp, sd);
      Pair<DocOp, Pair<DocOp, DocOp>> rs =
          new PreservationDeletionTransformer().transformOperations(sp, cd);
      clientCollector.add(rc.first);
      serverCollector.add(rs.first);
      sp = rc.second.first;
      sd = rc.second.second;
      cp = rs.second.first;
      cd = rs.second.second;
    }
    r = new DeletionDeletionTransformer().transformOperations(cd, sd);
    cd = r.clientOp();
    sd = r.serverOp();
    clientCollector.add(cd);
    serverCollector.add(sd);
    return new OperationPair<DocOp>(
        clientCollector.composeAll(), serverCollector.composeAll());
  // We're catching runtime exceptions here, but checked exceptions may be better.
  } catch (RuntimeException e) {
    throw new TransformException(e);
  }
}