--- apiVersion: v1 kind: List items: - apiVersion: v1 kind: ConfigMap metadata: labels: funktion.fabric8.io/kind: Connector provider: fabric8 project: connector-gridfs version: 1.1.36 group: io.fabric8.funktion.connector name: gridfs data: deployment.yml: | --- apiVersion: extensions/v1beta1 kind: Deployment metadata: labels: funktion.fabric8.io/kind: Subscription connector: gridfs spec: replicas: 1 template: metadata: labels: funktion.fabric8.io/kind: Subscription connector: gridfs spec: containers: - image: fabric8/connector-gridfs:1.1.36 name: connector schema.yml: | --- component: kind: component scheme: gridfs syntax: gridfs:connectionBean title: MongoDBGridFS description: Component for working with MongoDB GridFS. label: database,nosql deprecated: false async: false javaType: org.apache.camel.component.gridfs.GridFsComponent groupId: org.apache.camel artifactId: camel-mongodb-gridfs version: 2.18.1 componentProperties: {} properties: connectionBean: kind: path group: common required: true type: string javaType: java.lang.String deprecated: false secret: false description: Name of com.mongodb.Mongo to use. order: 0 bucket: kind: parameter group: common type: string javaType: java.lang.String deprecated: false secret: false defaultValue: fs description: Sets the name of the GridFS bucket within the database. Default is fs. order: 1 database: kind: parameter group: common required: true type: string javaType: java.lang.String deprecated: false secret: false description: Sets the name of the MongoDB database to target order: 2 readPreference: kind: parameter group: common type: object javaType: com.mongodb.ReadPreference deprecated: false secret: false description: Sets a MongoDB ReadPreference on the Mongo connection. Read preferences set directly on the connection will be overridden by this setting. The link com.mongodb.ReadPreferencevalueOf(String) utility method is used to resolve the passed readPreference value. Some examples for the possible values are nearest primary or secondary etc. order: 3 writeConcern: kind: parameter group: common type: string javaType: com.mongodb.WriteConcern enum: - ACKNOWLEDGED - W1 - W2 - W3 - UNACKNOWLEDGED - JOURNALED - MAJORITY - SAFE deprecated: false secret: false description: Set the WriteConcern for write operations on MongoDB using the standard ones. Resolved from the fields of the WriteConcern class by calling the link WriteConcernvalueOf(String) method. order: 4 writeConcernRef: kind: parameter group: common type: object javaType: com.mongodb.WriteConcern deprecated: false secret: false description: Set the WriteConcern for write operations on MongoDB passing in the bean ref to a custom WriteConcern which exists in the Registry. You can also use standard WriteConcerns by passing in their key. See the link setWriteConcern(String) setWriteConcern method. order: 5 bridgeErrorHandler: kind: parameter group: consumer label: consumer type: boolean javaType: boolean optionalPrefix: consumer. deprecated: false secret: false defaultValue: false description: Allows for bridging the consumer to the Camel routing Error Handler which mean any exceptions occurred while the consumer is trying to pickup incoming messages or the likes will now be processed as a message and handled by the routing Error Handler. By default the consumer will use the org.apache.camel.spi.ExceptionHandler to deal with exceptions that will be logged at WARN/ERROR level and ignored. order: 6 delay: kind: parameter group: consumer label: consumer type: integer javaType: long deprecated: false secret: false defaultValue: "500" description: Sets the delay between polls within the Consumer. Default is 500ms order: 7 fileAttributeName: kind: parameter group: consumer label: consumer type: string javaType: java.lang.String deprecated: false secret: false defaultValue: camel-processed description: If the QueryType uses a FileAttribute this sets the name of the attribute that is used. Default is camel-processed. order: 8 initialDelay: kind: parameter group: consumer label: consumer type: integer javaType: long deprecated: false secret: false defaultValue: "1000" description: Sets the initialDelay before the consumer will start polling. Default is 1000ms order: 9 persistentTSCollection: kind: parameter group: consumer label: consumer type: string javaType: java.lang.String deprecated: false secret: false defaultValue: camel-timestamps description: If the QueryType uses a persistent timestamp this sets the name of the collection within the DB to store the timestamp. order: 10 persistentTSObject: kind: parameter group: consumer label: consumer type: string javaType: java.lang.String deprecated: false secret: false defaultValue: camel-timestamp description: If the QueryType uses a persistent timestamp this is the ID of the object in the collection to store the timestamp. order: 11 query: kind: parameter group: consumer label: consumer type: string javaType: java.lang.String deprecated: false secret: false description: Additional query parameters (in JSON) that are used to configure the query used for finding files in the GridFsConsumer order: 12 queryStrategy: kind: parameter group: consumer label: consumer type: object javaType: org.apache.camel.component.gridfs.GridFsEndpoint.QueryStrategy deprecated: false secret: false defaultValue: TimeStamp description: Sets the QueryStrategy that is used for polling for new files. Default is Timestamp order: 13 exceptionHandler: kind: parameter group: consumer (advanced) label: consumer,advanced type: object javaType: org.apache.camel.spi.ExceptionHandler optionalPrefix: consumer. deprecated: false secret: false description: To let the consumer use a custom ExceptionHandler. Notice if the option bridgeErrorHandler is enabled then this options is not in use. By default the consumer will deal with exceptions that will be logged at WARN/ERROR level and ignored. order: 14 exchangePattern: kind: parameter group: consumer (advanced) label: consumer,advanced type: string javaType: org.apache.camel.ExchangePattern enum: - InOnly - RobustInOnly - InOut - InOptionalOut - OutOnly - RobustOutOnly - OutIn - OutOptionalIn deprecated: false secret: false description: Sets the exchange pattern when the consumer creates an exchange. order: 15 operation: kind: parameter group: producer label: producer type: string javaType: java.lang.String deprecated: false secret: false description: Sets the operation this endpoint will execute against GridRS. order: 16 synchronous: kind: parameter group: advanced label: advanced type: boolean javaType: boolean deprecated: false secret: false defaultValue: false description: Sets whether synchronous processing should be strictly used or Camel is allowed to use asynchronous processing (if supported). order: 17 documentation.adoc: |+ [[MongoDBGridFS-CamelMongoDBGridFScomponent]] Camel MongoDB GridFS component ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ *Available as of Camel 2.17* Maven users will need to add the following dependency to their `pom.xml` for this component: [source,xml] ------------------------------------------------------------ org.apache.camel camel-mongodb-gridfs x.y.z ------------------------------------------------------------ [[MongoDBGridFS-URIformat]] URI format ~~~~~~~~~~ [source,java] ------------------------------------------------------------------------------ gridfs:connectionBean?database=databaseName&bucket=bucketName[&moreOptions...] ------------------------------------------------------------------------------ [[MongoDBGridFS-options]] MongoDB GridFS options ~~~~~~~~~~~~~~~~~~~~~~ // component options: START The MongoDBGridFS component has no options. // component options: END // endpoint options: START The MongoDBGridFS component supports 18 endpoint options which are listed below: {% raw %} [width="100%",cols="2,1,1m,1m,5",options="header"] |======================================================================= | Name | Group | Default | Java Type | Description | connectionBean | common | | String | *Required* Name of com.mongodb.Mongo to use. | bucket | common | fs | String | Sets the name of the GridFS bucket within the database. Default is fs. | database | common | | String | *Required* Sets the name of the MongoDB database to target | readPreference | common | | ReadPreference | Sets a MongoDB ReadPreference on the Mongo connection. Read preferences set directly on the connection will be overridden by this setting. The link com.mongodb.ReadPreferencevalueOf(String) utility method is used to resolve the passed readPreference value. Some examples for the possible values are nearest primary or secondary etc. | writeConcern | common | | WriteConcern | Set the WriteConcern for write operations on MongoDB using the standard ones. Resolved from the fields of the WriteConcern class by calling the link WriteConcernvalueOf(String) method. | writeConcernRef | common | | WriteConcern | Set the WriteConcern for write operations on MongoDB passing in the bean ref to a custom WriteConcern which exists in the Registry. You can also use standard WriteConcerns by passing in their key. See the link setWriteConcern(String) setWriteConcern method. | bridgeErrorHandler | consumer | false | boolean | Allows for bridging the consumer to the Camel routing Error Handler which mean any exceptions occurred while the consumer is trying to pickup incoming messages or the likes will now be processed as a message and handled by the routing Error Handler. By default the consumer will use the org.apache.camel.spi.ExceptionHandler to deal with exceptions that will be logged at WARN/ERROR level and ignored. | delay | consumer | 500 | long | Sets the delay between polls within the Consumer. Default is 500ms | fileAttributeName | consumer | camel-processed | String | If the QueryType uses a FileAttribute this sets the name of the attribute that is used. Default is camel-processed. | initialDelay | consumer | 1000 | long | Sets the initialDelay before the consumer will start polling. Default is 1000ms | persistentTSCollection | consumer | camel-timestamps | String | If the QueryType uses a persistent timestamp this sets the name of the collection within the DB to store the timestamp. | persistentTSObject | consumer | camel-timestamp | String | If the QueryType uses a persistent timestamp this is the ID of the object in the collection to store the timestamp. | query | consumer | | String | Additional query parameters (in JSON) that are used to configure the query used for finding files in the GridFsConsumer | queryStrategy | consumer | TimeStamp | QueryStrategy | Sets the QueryStrategy that is used for polling for new files. Default is Timestamp | exceptionHandler | consumer (advanced) | | ExceptionHandler | To let the consumer use a custom ExceptionHandler. Notice if the option bridgeErrorHandler is enabled then this options is not in use. By default the consumer will deal with exceptions that will be logged at WARN/ERROR level and ignored. | exchangePattern | consumer (advanced) | | ExchangePattern | Sets the exchange pattern when the consumer creates an exchange. | operation | producer | | String | Sets the operation this endpoint will execute against GridRS. | synchronous | advanced | false | boolean | Sets whether synchronous processing should be strictly used or Camel is allowed to use asynchronous processing (if supported). |======================================================================= {% endraw %} // endpoint options: END [[MongoDBGridFS-ConfigurationofdatabaseinSpringXML]] Configuration of database in Spring XML ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The following Spring XML creates a bean defining the connection to a MongoDB instance. [source,xml] ---------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------- [[MongoDBGridFS-Sampleroute]] Sample route ^^^^^^^^^^^^ The following route defined in Spring XML executes the operation link:mongodb-gridfs.html[*findOne*] on a collection. *Get a file from GridFS* [source,xml] ---------------------------------------------------------------------------------- ---------------------------------------------------------------------------------- ?? [[MongoDBGridFS-GridFSoperations-producerendpoint]] GridFS operations - producer endpoint ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [[MongoDBGridFS-count]] count +++++ Returns the total number of file in the collection, returning an Integer as the OUT message body. + + [source,java] --------------------------------------------------------------------------------- // from("direct:count").to("gridfs?database=tickets&operation=count"); Integer result = template.requestBodyAndHeader("direct:count", "irrelevantBody"); assertTrue("Result is not of type Long", result instanceof Integer); --------------------------------------------------------------------------------- You can provide a filename header to provide a count of files matching that filename. [source,java] ------------------------------------------------------------------------------- Map headers = new HashMap(); headers.put(Exchange.FILE_NAME, "filename.txt"); Integer count = template.requestBodyAndHeaders("direct:count", query, headers); ------------------------------------------------------------------------------- [[MongoDBGridFS-listAll]] listAll +++++++ Returns an Reader that lists all the filenames and their IDs in a tab separated stream. [source,java] ---------------------------------------------------------------------------------- // from("direct:listAll").to("gridfs?database=tickets&operation=listAll"); Reader result = template.requestBodyAndHeader("direct:listAll", "irrelevantBody"); filename1.txt 1252314321 filename2.txt 2897651254 ---------------------------------------------------------------------------------- ?? [[MongoDBGridFS-findOne]] *findOne* +++++++++ Finds a file in the GridFS system and sets the body to an InputStream of the content. ?? Also provides the metadata has headers. ??It uses Exchange.FILE_NAME from the incoming headers to determine the file to find. [source,java] ------------------------------------------------------------------------------------------------- // from("direct:findOne").to("gridfs?database=tickets&operation=findOne"); Map headers = new HashMap(); headers.put(Exchange.FILE_NAME, "filename.txt"); InputStream result = template.requestBodyAndHeaders("direct:findOne", "irrelevantBody", headers); ------------------------------------------------------------------------------------------------- ?? [[MongoDBGridFS-create]] create ++++++ Creates a new file in the GridFs database. It uses the Exchange.FILE_NAME from the incoming headers for the name and the body contents (as an InputStream) as the content. [source,java] ------------------------------------------------------------------------ // from("direct:create").to("gridfs?database=tickets&operation=create"); Map headers = new HashMap(); headers.put(Exchange.FILE_NAME, "filename.txt"); InputStream stream = ... the data for the file ... template.requestBodyAndHeaders("direct:create", stream, headers); ------------------------------------------------------------------------ [[MongoDBGridFS-remove]] remove ++++++ Removes a file from the GridFS database. [source,java] ------------------------------------------------------------------------ // from("direct:remove").to("gridfs?database=tickets&operation=remove"); Map headers = new HashMap(); headers.put(Exchange.FILE_NAME, "filename.txt"); template.requestBodyAndHeaders("direct:remove", "", headers); ------------------------------------------------------------------------ [[MongoDBGridFS-GridFSConsumer]] GridFS Consumer ^^^^^^^^^^^^^^^ See also * http://www.mongodb.org/[MongoDB website] * http://en.wikipedia.org/wiki/NoSQL[NoSQL Wikipedia article] * http://api.mongodb.org/java/current/[MongoDB Java driver API docs - current version] * http://svn.apache.org/viewvc/camel/trunk/components/camel-mongodb/src/test/[Unit tests] for more examples of usage