Java IndexSpec类代码示例

import com.google.appengine.api.search.IndexSpec; //导入依赖的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.IndexSpec; //导入依赖的package包/类
/**
 * Put a given document into an index with the given indexName.
 * @param indexName The name of the index.
 * @param document A document to add.
 * @throws InterruptedException When Thread.sleep is interrupted.
 */
// [START putting_document_with_retry]
public static void indexADocument(String indexName, Document document)
    throws InterruptedException {
  IndexSpec indexSpec = IndexSpec.newBuilder().setName(indexName).build();
  Index index = SearchServiceFactory.getSearchService().getIndex(indexSpec);

  final int maxRetry = 3;
  int attempts = 0;
  int delay = 2;
  while (true) {
    try {
      index.put(document);
    } catch (PutException e) {
      if (StatusCode.TRANSIENT_ERROR.equals(e.getOperationResult().getCode())
          && ++attempts < maxRetry) { // retrying
        Thread.sleep(delay * 1000);
        delay *= 2; // easy exponential backoff
        continue;
      } else {
        throw e; // otherwise throw
      }
    }
    break;
  }
}
 

import com.google.appengine.api.search.IndexSpec; //导入依赖的package包/类
@Test
public void indexADocument_successfullyInvoked() throws Exception {
  String id = "test";
  Document doc = Document.newBuilder()
      .setId(id)
      .addField(Field.newBuilder().setName("f").setText("v"))
      .build();
  Utils.indexADocument(INDEX, doc);
  // get the document by id
  IndexSpec indexSpec = IndexSpec.newBuilder().setName(INDEX).build();
  Index index = SearchServiceFactory.getSearchService().getIndex(indexSpec);
  Document fetched = index.get(id);
  assertThat(fetched.getOnlyField("f").getText())
      .named("A value of the fetched document")
      .isEqualTo("v");
}
 

import com.google.appengine.api.search.IndexSpec; //导入依赖的package包/类
/**
 * Put a given document into an index with the given indexName.
 *
 * @param indexName The name of the index.
 * @param document A document to add.
 * @throws InterruptedException When Thread.sleep is interrupted.
 */
// [START putting_document_with_retry]
public static void indexADocument(String indexName, Document document)
    throws InterruptedException {
  IndexSpec indexSpec = IndexSpec.newBuilder().setName(indexName).build();
  Index index = SearchServiceFactory.getSearchService().getIndex(indexSpec);

  final int maxRetry = 3;
  int attempts = 0;
  int delay = 2;
  while (true) {
    try {
      index.put(document);
    } catch (PutException e) {
      if (StatusCode.TRANSIENT_ERROR.equals(e.getOperationResult().getCode())
          && ++attempts < maxRetry) { // retrying
        Thread.sleep(delay * 1000);
        delay *= 2; // easy exponential backoff
        continue;
      } else {
        throw e; // otherwise throw
      }
    }
    break;
  }
}
 

import com.google.appengine.api.search.IndexSpec; //导入依赖的package包/类
@Test
public void indexADocument_successfullyInvoked() throws Exception {
  String id = "test";
  Document doc =
      Document.newBuilder()
          .setId(id)
          .addField(Field.newBuilder().setName("f").setText("v"))
          .build();
  Utils.indexADocument(INDEX, doc);
  // get the document by id
  IndexSpec indexSpec = IndexSpec.newBuilder().setName(INDEX).build();
  Index index = SearchServiceFactory.getSearchService().getIndex(indexSpec);
  Document fetched = index.get(id);
  assertThat(fetched.getOnlyField("f").getText())
      .named("A value of the fetched document")
      .isEqualTo("v");
}
 

import com.google.appengine.api.search.IndexSpec; //导入依赖的package包/类
private Index createIndex(String indexName, String docId) {
    Index index = searchService.getIndex(IndexSpec.newBuilder()
            .setName(indexName)
            .build());

    Field field = Field.newBuilder().setName("subject").setText("put(Document.Builder)").build();
    Document.Builder docBuilder = Document.newBuilder()
            .setId(docId + "1")
            .addField(field);
    index.put(docBuilder);

    field = Field.newBuilder().setName("subject").setText("put(Document)").build();
    Document document = Document.newBuilder()
            .setId(docId + "2")
            .addField(field).build();
    index.put(document);
    return index;
}
 

import com.google.appengine.api.search.IndexSpec; //导入依赖的package包/类
private Index getIndex(ParticipantId participant) {
  return searchService.getIndex(
      IndexSpec.newBuilder().setName(getIndexName(participant))
      // We could consider making this global, though the documentation
      // says not more than 1 update per second, which is a bit borderline.
      .setConsistency(Consistency.PER_DOCUMENT).build());
}
 

import com.google.appengine.api.search.IndexSpec; //导入依赖的package包/类
private Results<ScoredDocument> doSearch() {
  String indexName = SEARCH_INDEX;
  // [START search_with_options]
  try {
    // Build the SortOptions with 2 sort keys
    SortOptions sortOptions = SortOptions.newBuilder()
        .addSortExpression(SortExpression.newBuilder()
            .setExpression("price")
            .setDirection(SortExpression.SortDirection.DESCENDING)
            .setDefaultValueNumeric(0))
        .addSortExpression(SortExpression.newBuilder()
            .setExpression("brand")
            .setDirection(SortExpression.SortDirection.DESCENDING)
            .setDefaultValue(""))
        .setLimit(1000)
        .build();

    // Build the QueryOptions
    QueryOptions options = QueryOptions.newBuilder()
        .setLimit(25)
        .setFieldsToReturn("model", "price", "description")
        .setSortOptions(sortOptions)
        .build();

    // A query string
    String queryString = "product: coffee roaster AND price < 500";

    //  Build the Query and run the search
    Query query = Query.newBuilder().setOptions(options).build(queryString);
    IndexSpec indexSpec = IndexSpec.newBuilder().setName(indexName).build();
    Index index = SearchServiceFactory.getSearchService().getIndex(indexSpec);
    Results<ScoredDocument> result = index.search(query);
    return result;
  } catch (SearchException e) {
    // handle exception...
  }
  // [END search_with_options]
  return null;
}
 

import com.google.appengine.api.search.IndexSpec; //导入依赖的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.IndexSpec; //导入依赖的package包/类
/**
 * Obtains the Index.
 * 
 * @param clazz
 *            the class
 * @return the {@link Index} specified with the {@link DocumentIndex} annotation.
 */
public Index getIndex(Class<?> clazz) {
    String indexName;
    try {
        indexName = ObjectParser.getIndexName(clazz);
    } catch (AnnotationNotFoundException e) {
        throw new AnnotationNotFoundException(e.getMessage());
    }

    IndexSpec indexSpec = IndexSpec.newBuilder().setName(indexName).build();
    Index index = SearchServiceFactory.getSearchService().getIndex(indexSpec);

    return index;
}
 

import com.google.appengine.api.search.IndexSpec; //导入依赖的package包/类
private static Index getIndex(String indexName) {
    Map<String, Index> indicesTable = getIndicesTable();
    Index index = indicesTable.get(indexName);
    if (index == null) {
        IndexSpec indexSpec = IndexSpec.newBuilder().setName(indexName).build();
        index = SearchServiceFactory.getSearchService().getIndex(indexSpec);
        indicesTable.put(indexName, index);
    }
    return index;
}
 

import com.google.appengine.api.search.IndexSpec; //导入依赖的package包/类
public void initIndexes() {
  SearchService search = SearchServiceFactory.getSearchService();
  IndexSpec.Builder spec = IndexSpec.newBuilder();

  for (int i = 0; i < 25; i++) {
    String name = String.format("index%s", i);
    spec.setName(name);
    addDocuments(search.getIndex(spec), name, i == 0 ? 25 : 1);
  }
  search = SearchServiceFactory.getSearchService("ns");
  spec.setName("<b>");
  addDocuments(search.getIndex(spec), "other", 1);
}
 

import com.google.appengine.api.search.IndexSpec; //导入依赖的package包/类
@Test
public void testCreateDocument() throws Exception {
    String indexName = "test-doc";
    Index index = searchService.getIndex(IndexSpec.newBuilder().setName(indexName));
    delDocs(index);
    Builder docBuilder = Document.newBuilder().setId("tck").setLocale(Locale.FRENCH).setRank(8);
    docBuilder.addField(Field.newBuilder().setName("field1").setText("text field"));
    docBuilder.addField(Field.newBuilder().setName("field1").setNumber(987));
    docBuilder.addField(Field.newBuilder().setName("field2").setNumber(123));
    docBuilder.addField(Field.newBuilder().setName("field3").setDate(new Date()));
    index.put(docBuilder.build());
    sync();

    Results<ScoredDocument> result = searchDocs(index, "", 0);
    assertEquals(1, result.getNumberReturned());
    ScoredDocument retDoc = result.iterator().next();
    assertEquals("tck", retDoc.getId());
    assertEquals(Locale.FRENCH, retDoc.getLocale());
    assertEquals(8, retDoc.getRank());
    assertEquals(2, retDoc.getFieldCount("field1"));
    assertEquals(1, retDoc.getFieldCount("field3"));
    assertEquals(3, retDoc.getFieldNames().size());

    Iterator<Field> fields = retDoc.getFields().iterator();
    int count = 0;
    for ( ; fields.hasNext() ; ++count ) {
        fields.next();
    }
    assertEquals(4, count);

    fields = retDoc.getFields("field1").iterator();
    count = 0;
    for ( ; fields.hasNext() ; ++count ) {
        fields.next();
    }
    assertEquals(2, count);

    Field field = retDoc.getOnlyField("field2");
    assertEquals(FieldType.NUMBER, field.getType());
}
 

import com.google.appengine.api.search.IndexSpec; //导入依赖的package包/类
@Test
public void testNamespaceWithBug() throws InterruptedException, ParseException {
    String ns = "ns-indextest";
    String indexName = "ns-index";
    int docCount = 5;
    NamespaceManager.set(ns);
    SearchService searchService2 = SearchServiceFactory.getSearchService();
    Index index = searchService2.getIndex(IndexSpec.newBuilder()
            .setName(indexName)
            .build());
    delDocs(index);
    addDocs(index, docCount);

    GetIndexesRequest request = GetIndexesRequest.newBuilder()
        .setIndexNamePrefix(indexName)
        .setOffset(0)
        .setNamespace(ns)
        .setLimit(10)
        .build();
    assertEquals(ns, request.getNamespace());
    GetResponse<Index> response = searchService2.getIndexes(request);
    List<Index> listIndexes = response.getResults();
    for (Index oneIndex : listIndexes) {
        assertEquals(ns, listIndexes.get(0).getNamespace());
        assertEquals(indexName, listIndexes.get(0).getName());
        verifyDocCount(oneIndex, docCount);
    }
    assertEquals(ns, searchService2.getNamespace());
    NamespaceManager.set("");
}
 

import com.google.appengine.api.search.IndexSpec; //导入依赖的package包/类
public void testNamespace() throws InterruptedException, ParseException {
    String ns = "ns-indextest";
    String indexName = "ns-index";
    int docCount = 5;
    NamespaceManager.set(ns);
    Index index = searchService.getIndex(IndexSpec.newBuilder()
            .setName(indexName)
            .build());
    delDocs(index);
    addDocs(index, docCount);

    GetIndexesRequest request = GetIndexesRequest.newBuilder()
        .setIndexNamePrefix(indexName)
        .setOffset(0)
        .setNamespace(ns)
        .setLimit(10)
        .build();
    assertEquals(ns, request.getNamespace());
    GetResponse<Index> response = searchService.getIndexes(request);
    List<Index> listIndexes = response.getResults();
    for (Index oneIndex : listIndexes) {
        assertEquals(ns, listIndexes.get(0).getNamespace());
        assertEquals(indexName, listIndexes.get(0).getName());
        verifyDocCount(oneIndex, docCount);
    }
    assertEquals(ns, searchService.getNamespace());
    NamespaceManager.set("");
}