Java Index.delete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
/**
 * unindex gallery app from search index
 * @param galleryId gallery id
 */
public void unIndexApp(long galleryId) {
  Index index = getIndex();
  try {
    index.delete(String.valueOf(galleryId));
  } catch (DeleteException e) {
    LOG.info("error deleting index entry");
  }

}
 

import com.google.appengine.api.search.Index; //导入方法依赖的package包/类
/**
 * Deletes a package
 *
 * @param ofy Objectify
 * @param name package name
 */
public static void deletePackage(Objectify ofy, String name) {
    Package p = ofy.get(new Key<Package>(Package.class, name));
    ofy.delete(p);
    QueryResultIterable<Key<PackageVersion>> k =
            ofy.query(PackageVersion.class).filter("package_ =", name)
            .fetchKeys();
    ofy.delete(k);
    NWUtils.decrementPackageNumber();
    Index index = NWUtils.getIndex();
    index.delete(p.name);
    NWUtils.incDataVersion();
}
 

import com.google.appengine.api.search.Index; //导入方法依赖的package包/类
protected void delDocs(Index index) throws InterruptedException {
    List<String> dList = new ArrayList<>();
    Results<ScoredDocument> found = searchDocs(index, "", 0);
    for (ScoredDocument document : found) {
        dList.add(document.getId());
    }
    index.delete(dList);
    sync();
}
 

import com.google.appengine.api.search.Index; //导入方法依赖的package包/类
@Test
public void testPutDeleteDocs() throws InterruptedException {
    String indexName = "put-index";
    String docId = "testPutDocs";
    List<String> docIdList = new ArrayList<>();
    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);
    docIdList.add(docId + "1");

    field = Field.newBuilder().setName("subject").setText("put(Document)").build();
    Document document = Document.newBuilder()
        .setId(docId + "2")
        .addField(field).build();
    index.put(document);
    docIdList.add(docId + "1");

    GetIndexesRequest request = GetIndexesRequest.newBuilder()
        .setIndexNamePrefix(indexName)
        .build();
    GetResponse<Index> response = searchService.getIndexes(request);
    List<Index> listIndexes = response.getResults();
    for (Index oneIndex : listIndexes) {
        Field retField = oneIndex.get(docId + "1").getOnlyField("subject");
        assertEquals("put(Document.Builder)", retField.getText());
        retField = oneIndex.get(docId + "2").getOnlyField("subject");
        assertEquals("put(Document)", retField.getText());
        oneIndex.delete(docIdList.get(0));
        sync();
        assertNull(oneIndex.get(docIdList.get(0)));
    }
}
 

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());
  }
}