• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    公众号

Java GridFSFile类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Java中com.mongodb.client.gridfs.model.GridFSFile的典型用法代码示例。如果您正苦于以下问题:Java GridFSFile类的具体用法?Java GridFSFile怎么用?Java GridFSFile使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



GridFSFile类属于com.mongodb.client.gridfs.model包,在下文中一共展示了GridFSFile类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: validateAfterStoreAdd

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Override
protected void validateAfterStoreAdd(TestContext context, Vertx vertx,
    String path, Handler<AsyncResult<Void>> handler) {
  vertx.executeBlocking(f -> {
    try (MongoClient client = new MongoClient(mongoConnector.serverAddress)) {
      MongoDatabase db = client.getDatabase(MongoDBTestConnector.MONGODB_DBNAME);
      GridFSBucket gridFS = GridFSBuckets.create(db);

      GridFSFindIterable files = gridFS.find();

      GridFSFile file = files.first();
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      gridFS.downloadToStream(file.getFilename(), baos);
      String contents = new String(baos.toByteArray(), StandardCharsets.UTF_8);
      context.assertEquals(CHUNK_CONTENT, contents);
    }
    f.complete();
  }, handler);
}
 
开发者ID:georocket,项目名称:georocket,代码行数:20,代码来源:MongoDBStoreTest.java


示例2: checkAndCleanup

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
public boolean checkAndCleanup(String userId, String fileName) {
    List<Document> l = query(new Query().equals(USERID, userId).addSortCriteria(CREATION_TIME, false));
    if (l.size() >= maxPersistedPagesPerUser) {
        Document oldest = l.iterator().next();
        if ((System.currentTimeMillis() - oldest.get(CREATION_TIME).getTime()) < minimumDelay) {
            //there have been to many page persistences for this user in a short time, so don't persist
            return false;
        } else {
            //clean up oldest to free space for new persisted page
            gridFS.find(Filters.eq("filename", oldest.get(FILENAME))).forEach(new Block<GridFSFile>() {
                @Override
                public void apply(GridFSFile file) {
                    gridFS.delete(file.getObjectId());
                }
            });
            oldest.delete();
        }
    }
    //create new entry
    Document newOne = createNew();
    newOne.set(USERID, userId);
    newOne.set(FILENAME, fileName);
    newOne.set(CREATION_TIME, new Date());
    newOne.writeToDatabase(false);
    return true;
}
 
开发者ID:KAOREND,项目名称:reactive-hamster,代码行数:27,代码来源:PersistedPages.java


示例3: byPages

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Override
public void byPages(int pageSize, Callback callback) {
	MongoCursor<GridFSFile> cursor = bucket.find().iterator();
	boolean loop = true;
	try {
		while (loop) {
			List<GridFSFile> files = new ArrayList<>(batchSize);
			int i = 0;
			while (cursor.hasNext() && i < batchSize) {
				files.add(cursor.next());
				i++;
			}
			loop = callback.on(files.stream().map(file -> bucket.openDownloadStream(file.getObjectId())).map(fromFile).collect(Collectors.toList()));
		}
	} finally {
		cursor.close();
	}
}
 
开发者ID:Treydone,项目名称:mandrel,代码行数:19,代码来源:MongoBlobStore.java


示例4: getAssociatedDocumentStream

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Override
public InputStream getAssociatedDocumentStream(String uniqueId, String fileName) {
	GridFSBucket gridFS = createGridFSConnection();
	GridFSFile file = gridFS.find(new Document(ASSOCIATED_METADATA + "." + FILE_UNIQUE_ID_KEY, getGridFsId(uniqueId, fileName))).first();

	if (file == null) {
		return null;
	}

	InputStream is = gridFS.openDownloadStream(file.getObjectId());
	;

	Document metadata = file.getMetadata();
	if (metadata.containsKey(COMPRESSED_FLAG)) {
		boolean compressed = (boolean) metadata.remove(COMPRESSED_FLAG);
		if (compressed) {
			is = new InflaterInputStream(is);
		}
	}

	return is;
}
 
开发者ID:lumongo,项目名称:lumongo,代码行数:23,代码来源:MongoDocumentStorage.java


示例5: findMetadata

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
public Document findMetadata(String oid) {
	GridFSFile first = fileStore.find(eq("_id", new ObjectId(oid))).first();
	if(first == null) {
		return null;
	} else {
		return first.getMetadata();
	}
}
 
开发者ID:ccem-dev,项目名称:otus-api,代码行数:9,代码来源:FileStoreBucket.java


示例6: toSmofGridRef

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
private SmofGridRef toSmofGridRef(BsonDocument refBson) {
	final String bucketName = refBson.getString("bucket").getValue();
	final ObjectId id = refBson.getObjectId("id").getValue();
	final SmofGridRef ref = SmofGridRefFactory.newFromDB(id, bucketName);
	final GridFSFile file = dispatcher.loadMetadata(ref);
	ref.putMetadata(file.getMetadata());
	return ref;
}
 
开发者ID:JPDSousa,项目名称:mongo-obj-framework,代码行数:9,代码来源:ObjectParser.java


示例7: testMetadata

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Test
public final void testMetadata() throws IOException {
	final Document metadata = new Document("randomkey", 45);
	ref.putMetadata(metadata);
	streamManager.uploadFile(ref);
	ref.putMetadata(new Document());
	final GridFSFile file = streamManager.loadFileMetadata(ref);
	assertEquals(metadata, file.getMetadata());
}
 
开发者ID:JPDSousa,项目名称:mongo-obj-framework,代码行数:10,代码来源:SmofGridStreamManagerTest.java


示例8: deleteFile

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
public void deleteFile(Document mo) {
        String filename = mo.get(this);
        if (filename != null) {
            fileSystemProvider.getFileSystem().find(Filters.eq("filename", filename)).forEach(new Block<GridFSFile>() {
                @Override
                public void apply(GridFSFile file) {
                    fileSystemProvider.getFileSystem().delete(file.getObjectId());
                }
            });
            mo.getDataObject().remove(this.getName());
//            mo.writeToDatabase(false);
        }
    }
 
开发者ID:KAOREND,项目名称:reactive-hamster,代码行数:14,代码来源:FileAttribute.java


示例9: first

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Override
public Observable<GridFSFile> first() {
    return RxObservables.create(Observables.observe(new Block<SingleResultCallback<GridFSFile>>(){
        @Override
        public void apply(final SingleResultCallback<GridFSFile> callback) {
            wrapped.first(callback);
        }
    }), observableAdapter);
}
 
开发者ID:mongodb,项目名称:mongo-java-driver-rx,代码行数:10,代码来源:GridFSFindObservableImpl.java


示例10: getGridFSFile

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Override
public Observable<GridFSFile> getGridFSFile() {
    return RxObservables.create(Observables.observe(new Block<SingleResultCallback<GridFSFile>>() {
        @Override
        public void apply(final SingleResultCallback<GridFSFile> callback) {
            wrapped.getGridFSFile(callback);
        }
    }), observableAdapter);
}
 
开发者ID:mongodb,项目名称:mongo-java-driver-rx,代码行数:10,代码来源:GridFSDownloadStreamImpl.java


示例11: getGridFSFile

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Override
public Publisher<GridFSFile> getGridFSFile() {
    return new ObservableToPublisher<GridFSFile>(observe(new Block<SingleResultCallback<GridFSFile>>() {
        @Override
        public void apply(final SingleResultCallback<GridFSFile> callback) {
            wrapped.getGridFSFile(callback);
        }
    }));
}
 
开发者ID:mongodb,项目名称:mongo-java-driver-reactivestreams,代码行数:10,代码来源:GridFSDownloadStreamImpl.java


示例12: first

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Override
public Publisher<GridFSFile> first() {
    return new ObservableToPublisher<GridFSFile>(observe(new Block<SingleResultCallback<GridFSFile>>(){
        @Override
        public void apply(final SingleResultCallback<GridFSFile> callback) {
            wrapped.first(callback);
        }
    }));
}
 
开发者ID:mongodb,项目名称:mongo-java-driver-reactivestreams,代码行数:10,代码来源:GridFSFindPublisherImpl.java


示例13: deleteFile

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Override
public OperationResult deleteFile(
        final Database db,
        final String dbName,
        final String bucketName,
        final BsonValue fileId,
        final String requestEtag,
        final boolean checkEtag) {
    final String bucket = extractBucketName(bucketName);

    GridFSBucket gridFSBucket = GridFSBuckets.create(
            db.getDatabase(dbName),
            bucket);

    GridFSFile file = gridFSBucket
            .find(eq("_id", fileId))
            .limit(1).iterator().tryNext();

    if (file == null) {
        return new OperationResult(HttpStatus.SC_NOT_FOUND);
    } else if (checkEtag) {
        Object oldEtag = file.getMetadata().get("_etag");

        if (oldEtag != null) {
            if (requestEtag == null) {
                return new OperationResult(HttpStatus.SC_CONFLICT, oldEtag);
            } else if (!Objects.equals(oldEtag.toString(), requestEtag)) {
                return new OperationResult(
                        HttpStatus.SC_PRECONDITION_FAILED, oldEtag);
            }
        }
    }

    gridFSBucket.delete(fileId);

    return new OperationResult(HttpStatus.SC_NO_CONTENT);
}
 
开发者ID:SoftInstigate,项目名称:restheart,代码行数:38,代码来源:GridFsDAO.java


示例14: handleRequest

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Override
public void handleRequest(
        HttpServerExchange exchange,
        RequestContext context)
        throws Exception {
    if (context.isInError()) {
        next(exchange, context);
        return;
    }

    LOGGER.trace("GET " + exchange.getRequestURL());
    final String bucket = extractBucketName(context.getCollectionName());

    GridFSBucket gridFSBucket = GridFSBuckets.create(
            MongoDBClientSingleton.getInstance().getClient()
                    .getDatabase(context.getDBName()),
            bucket);

    GridFSFile dbsfile = gridFSBucket
            .find(eq("_id", context.getDocumentId()))
            .limit(1).iterator().tryNext();

    if (dbsfile == null) {
        fileNotFound(context, exchange);
    } else if (!checkEtag(exchange, dbsfile)) {
        sendBinaryContent(context, gridFSBucket, dbsfile, exchange);
    }

    next(exchange, context);
}
 
开发者ID:SoftInstigate,项目名称:restheart,代码行数:31,代码来源:GetFileBinaryHandler.java


示例15: checkEtag

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
private boolean checkEtag(HttpServerExchange exchange, GridFSFile dbsfile) {
    if (dbsfile != null) {
        Object etag;

        if (dbsfile.getMetadata() != null
                && dbsfile.getMetadata().containsKey("_etag")) {
            etag = dbsfile.getMetadata().get("_etag");
        } else {
            etag = null;
        }

        if (etag != null && etag instanceof ObjectId) {
            ObjectId _etag = (ObjectId) etag;

            BsonObjectId __etag = new BsonObjectId(_etag);

            // in case the request contains the IF_NONE_MATCH header with the current etag value,
            // just return 304 NOT_MODIFIED code
            if (RequestHelper.checkReadEtag(exchange, __etag)) {
                exchange.setStatusCode(HttpStatus.SC_NOT_MODIFIED);
                exchange.endExchange();
                return true;
            }
        }
    }

    return false;
}
 
开发者ID:SoftInstigate,项目名称:restheart,代码行数:29,代码来源:GetFileBinaryHandler.java


示例16: getAssociatedDocuments

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Override
public List<AssociatedDocument> getAssociatedDocuments(String uniqueId, FetchType fetchType) throws Exception {
	GridFSBucket gridFS = createGridFSConnection();
	List<AssociatedDocument> assocDocs = new ArrayList<>();
	if (!FetchType.NONE.equals(fetchType)) {
		GridFSFindIterable files = gridFS.find(new Document(ASSOCIATED_METADATA + "." + DOCUMENT_UNIQUE_ID_KEY, uniqueId));
		for (GridFSFile file : files) {
			AssociatedDocument ad = loadGridFSToAssociatedDocument(gridFS, file, fetchType);
			assocDocs.add(ad);
		}

	}
	return assocDocs;
}
 
开发者ID:lumongo,项目名称:lumongo,代码行数:15,代码来源:MongoDocumentStorage.java


示例17: getAssociatedDocument

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Override
public AssociatedDocument getAssociatedDocument(String uniqueId, String fileName, FetchType fetchType) throws Exception {
	GridFSBucket gridFS = createGridFSConnection();
	if (!FetchType.NONE.equals(fetchType)) {
		GridFSFile file = gridFS.find(new Document(ASSOCIATED_METADATA + "." + FILE_UNIQUE_ID_KEY, getGridFsId(uniqueId, fileName))).first();
		if (null != file) {
			return loadGridFSToAssociatedDocument(gridFS, file, fetchType);
		}
	}
	return null;
}
 
开发者ID:lumongo,项目名称:lumongo,代码行数:12,代码来源:MongoDocumentStorage.java


示例18: loadGridFSToAssociatedDocument

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
private AssociatedDocument loadGridFSToAssociatedDocument(GridFSBucket gridFS, GridFSFile file, FetchType fetchType) throws IOException {
	AssociatedDocument.Builder aBuilder = AssociatedDocument.newBuilder();
	aBuilder.setFilename(file.getFilename());
	Document metadata = file.getMetadata();

	boolean compressed = false;
	if (metadata.containsKey(COMPRESSED_FLAG)) {
		compressed = (boolean) metadata.remove(COMPRESSED_FLAG);
	}

	long timestamp = (long) metadata.remove(TIMESTAMP);

	aBuilder.setCompressed(compressed);
	aBuilder.setTimestamp(timestamp);

	aBuilder.setDocumentUniqueId((String) metadata.remove(DOCUMENT_UNIQUE_ID_KEY));
	for (String field : metadata.keySet()) {
		aBuilder.addMetadata(Metadata.newBuilder().setKey(field).setValue((String) metadata.get(field)));
	}

	if (FetchType.FULL.equals(fetchType)) {

		ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
		gridFS.downloadToStream(file.getObjectId(), byteArrayOutputStream);
		byte[] bytes = byteArrayOutputStream.toByteArray();
		if (null != bytes) {
			if (compressed) {
				bytes = CommonCompression.uncompressZlib(bytes);
			}
			aBuilder.setDocument(ByteString.copyFrom(bytes));
		}
	}
	aBuilder.setIndexName(indexName);
	return aBuilder.build();
}
 
开发者ID:lumongo,项目名称:lumongo,代码行数:36,代码来源:MongoDocumentStorage.java


示例19: getAssociatedFilenames

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Override
public List<String> getAssociatedFilenames(String uniqueId) throws Exception {
	GridFSBucket gridFS = createGridFSConnection();
	ArrayList<String> fileNames = new ArrayList<>();
	gridFS.find(new Document(ASSOCIATED_METADATA + "." + DOCUMENT_UNIQUE_ID_KEY, uniqueId))
			.forEach((Consumer<com.mongodb.client.gridfs.model.GridFSFile>) gridFSFile -> fileNames.add(gridFSFile.getFilename()));

	return fileNames;
}
 
开发者ID:lumongo,项目名称:lumongo,代码行数:10,代码来源:MongoDocumentStorage.java


示例20: deleteAssociatedDocument

import com.mongodb.client.gridfs.model.GridFSFile; //导入依赖的package包/类
@Override
public void deleteAssociatedDocument(String uniqueId, String fileName) {
	GridFSBucket gridFS = createGridFSConnection();
	gridFS.find(new Document(ASSOCIATED_METADATA + "." + FILE_UNIQUE_ID_KEY, getGridFsId(uniqueId, fileName)))
			.forEach((Block<com.mongodb.client.gridfs.model.GridFSFile>) gridFSFile -> gridFS.delete(gridFSFile.getObjectId()));

}
 
开发者ID:lumongo,项目名称:lumongo,代码行数:8,代码来源:MongoDocumentStorage.java



注:本文中的com.mongodb.client.gridfs.model.GridFSFile类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


鲜花

握手

雷人

路过

鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
上一篇:
Java SheepDyeWoolEvent类代码示例发布时间:2022-05-22
下一篇:
Java SimpleFileCollection类代码示例发布时间:2022-05-22
热门推荐
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服(服务时间 9:00~18:00)

在线QQ客服
地址:深圳市南山区西丽大学城创智工业园
电邮:jeky_zhao#qq.com
移动电话:139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap