Java Index.getRange方法代码示例

import com.google.appengine.api.search.Index; //导入方法依赖的package包/类
protected int removeAll() {
    int count = 0;
    Index index = getIndex();
    GetRequest request = GetRequest.newBuilder().setReturningIdsOnly(true).setLimit(200).build();
    GetResponse<Document> response = index.getRange(request);

    // can only deleteUnit documents in blocks of 200 so we need to iterate until they're all gone
    while (!response.getResults().isEmpty()) {
        List<String> ids = new ArrayList<>();
        for (Document document : response) {
            ids.add(document.getId());
        }
        index.delete(ids);
        count += ids.size();
        response = index.getRange(request);
    }
    return count;
}
 

import com.google.appengine.api.search.Index; //导入方法依赖的package包/类
/**
 * Cleans the index of places from all entries.
 */
private void removeAllDocumentsFromIndex() {
    Index index = PlacesHelper.getIndex();
    // As the request will only return up to 1000 documents,
    // we need to loop until there are no more documents in the index.
    // We batch delete 1000 documents per iteration.
    final int numberOfDocuments = 1000;
    while (true) {
        GetRequest request = GetRequest.newBuilder()
                .setReturningIdsOnly(true)
                .build();

        ArrayList<String> documentIds = new ArrayList<>(numberOfDocuments);
        GetResponse<Document> response = index.getRange(request);
        for (Document document : response.getResults()) {
            documentIds.add(document.getId());
        }

        if (documentIds.size() == 0) {
            break;
        }

        index.delete(documentIds);
    }
}
 

import com.google.appengine.api.search.Index; //导入方法依赖的package包/类
@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
  PrintWriter out = resp.getWriter();
  Document document = Document.newBuilder()
      .setId("AZ125")
      .addField(Field.newBuilder().setName("myField").setText("myValue")).build();
  try {
    Utils.indexADocument(INDEX, document);
  } catch (InterruptedException e) {
    out.println("Interrupted");
    return;
  }
  out.println("Indexed a new document.");
  // [START get_document]
  IndexSpec indexSpec = IndexSpec.newBuilder().setName(INDEX).build();
  Index index = SearchServiceFactory.getSearchService().getIndex(indexSpec);

  // Fetch a single document by its  doc_id
  Document doc = index.get("AZ125");

  // Fetch a range of documents by their doc_ids
  GetResponse<Document> docs = index.getRange(
      GetRequest.newBuilder().setStartId("AZ125").setLimit(100).build());
  // [END get_document]
  out.println("myField: " + docs.getResults().get(0).getOnlyField("myField").getText());
}
 

import com.google.appengine.api.search.Index; //导入方法依赖的package包/类
@Test
public void testPutGetRangeGetRequest() throws InterruptedException {
    String indexName = "put-index";
    String docId = "testPutDocs";
    Index index = createIndex(indexName, docId);

    GetIndexesRequest request = GetIndexesRequest.newBuilder()
            .setIndexNamePrefix(indexName)
            .build();
    GetResponse<Index> response = searchService.getIndexes(request);
    List<Index> listIndexes = response.getResults();

    for (Index oneIndex : listIndexes) {
        GetResponse<Document> docs = oneIndex.getRange(GetRequest.newBuilder().setStartId(docId + "1").setLimit(10).build());
        sync();
        assertEquals(docs.getResults().size(), 2);
    }
}
 

import com.google.appengine.api.search.Index; //导入方法依赖的package包/类
@Test
public void testPutGetRangeBuilder() throws InterruptedException {
    String indexName = "put-index";
    String docId = "testPutDocs";
    Index index = createIndex(indexName, docId);

    GetIndexesRequest request = GetIndexesRequest.newBuilder()
            .setIndexNamePrefix(indexName)
            .build();
    GetResponse<Index> response = searchService.getIndexes(request);
    List<Index> listIndexes = response.getResults();

    for (Index oneIndex : listIndexes) {
        GetResponse<Document> docs = oneIndex.getRange(GetRequest.newBuilder().setStartId(docId + "1").setLimit(10));
        sync();
        assertEquals(docs.getResults().size(), 2);
    }
}
 

import com.google.appengine.api.search.Index; //导入方法依赖的package包/类
@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
  PrintWriter out = resp.getWriter();
  Document document =
      Document.newBuilder()
          .setId("AZ125")
          .addField(Field.newBuilder().setName("myField").setText("myValue"))
          .build();
  try {
    Utils.indexADocument(INDEX, document);
  } catch (InterruptedException e) {
    out.println("Interrupted");
    return;
  }
  out.println("Indexed a new document.");
  // [START get_document]
  IndexSpec indexSpec = IndexSpec.newBuilder().setName(INDEX).build();
  Index index = SearchServiceFactory.getSearchService().getIndex(indexSpec);

  // Fetch a single document by its  doc_id
  Document doc = index.get("AZ125");

  // Fetch a range of documents by their doc_ids
  GetResponse<Document> docs =
      index.getRange(GetRequest.newBuilder().setStartId("AZ125").setLimit(100).build());
  // [END get_document]
  out.println("myField: " + docs.getResults().get(0).getOnlyField("myField").getText());
}
 

import com.google.appengine.api.search.Index; //导入方法依赖的package包/类
private void removeAllDocumentsFromIndex() {
  Index index = PlacesHelper.getIndex();

  GetRequest request = GetRequest.newBuilder().setReturningIdsOnly(true).build();

  GetResponse<Document> response = index.getRange(request);
  for (Document document : response.getResults()) {
    index.delete(document.getId());
  }
}