Package org.apache.nifi.flow.registry

Class FileSystemFlowRegistryClient

java.lang.Object

org.apache.nifi.components.AbstractConfigurableComponent

org.apache.nifi.registry.flow.AbstractFlowRegistryClient

org.apache.nifi.flow.registry.FileSystemFlowRegistryClient

All Implemented Interfaces:

ConfigurableComponent, FlowRegistryClient

public class FileSystemFlowRegistryClient
extends AbstractFlowRegistryClient

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final PropertyDescriptor	DIRECTORY
private static final Set<String>	FLOW_IDS
private final com.fasterxml.jackson.databind.ObjectMapper	objectMapper
private static final String	TEST_FLOWS_BUCKET

Constructor Summary

Constructors

Constructor	Description
FileSystemFlowRegistryClient()

Method Summary

Modifier and Type	Method	Description
private FlowRegistryPermissions	createAllowAllPermissions()
RegisteredFlow	deregisterFlow(FlowRegistryClientConfigurationContext context, String bucketId, String flowId)
private RegisteredFlowSnapshot	fullyPopulate(RegisteredFlowSnapshot requested, File flowDir)
FlowRegistryBucket	getBucket(FlowRegistryClientConfigurationContext context, String bucketId)
Set<FlowRegistryBucket>	getBuckets(FlowRegistryClientConfigurationContext context)
private File	getChildLocation(File parentDir, Path childLocation)
RegisteredFlow	getFlow(FlowRegistryClientConfigurationContext context, String bucketId, String flowId)
RegisteredFlowSnapshot	getFlowContents(FlowRegistryClientConfigurationContext context, String bucketId, String flowId, int version)
private File	getFlowDirectory(FlowRegistryClientConfigurationContext context, String bucketId, String flowId)
private Path	getFlowPath(String flowId)
Set<RegisteredFlow>	getFlows(FlowRegistryClientConfigurationContext context, String bucketId)
Set<RegisteredFlowSnapshotMetadata>	getFlowVersions(FlowRegistryClientConfigurationContext context, String bucketId, String flowId)
int	getLatestVersion(FlowRegistryClientConfigurationContext context, String bucketId, String flowId)
private File	getRootDirectory(FlowRegistryClientConfigurationContext context)
private File	getSnapshotFile(FlowRegistryClientConfigurationContext context, String bucketId, String flowId, long version)
protected List<PropertyDescriptor>	getSupportedPropertyDescriptors()
private Path	getValidatedBucketPath(String id)
boolean	isStorageLocationApplicable(FlowRegistryClientConfigurationContext context, String storageLocation)
private void	populateBucket(RegisteredFlowSnapshot snapshot, String bucketId)
private void	populateFlow(RegisteredFlowSnapshot snapshot, String bucketId, String flowId, int version, int numVersions)
RegisteredFlow	registerFlow(FlowRegistryClientConfigurationContext context, RegisteredFlow flow)
RegisteredFlowSnapshot	registerFlowSnapshot(FlowRegistryClientConfigurationContext context, RegisteredFlowSnapshot flowSnapshot)
private FlowRegistryBucket	toBucket(File file)

Methods inherited from class org.apache.nifi.registry.flow.AbstractFlowRegistryClient

getIdentifier, getLogger, getSystemSslContext, initialize

Methods inherited from class org.apache.nifi.components.AbstractConfigurableComponent

customValidate, equals, getPropertyDescriptor, getPropertyDescriptors, getSupportedDynamicPropertyDescriptor, hashCode, onPropertyModified, toString, validate

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.nifi.components.ConfigurableComponent

getPropertyDescriptor, getPropertyDescriptors, onPropertyModified, validate

Field Details

TEST_FLOWS_BUCKET

private static final String TEST_FLOWS_BUCKET

See Also:

• Constant Field Values

FLOW_IDS

private static final Set<String> FLOW_IDS

objectMapper

private final com.fasterxml.jackson.databind.ObjectMapper objectMapper

DIRECTORY

static final PropertyDescriptor DIRECTORY

Constructor Details

FileSystemFlowRegistryClient

public FileSystemFlowRegistryClient()

Method Details

getSupportedPropertyDescriptors

protected List<PropertyDescriptor> getSupportedPropertyDescriptors()

Overrides:

getSupportedPropertyDescriptors in class AbstractConfigurableComponent

isStorageLocationApplicable

public boolean isStorageLocationApplicable(FlowRegistryClientConfigurationContext context,
 String storageLocation)

getBuckets

public Set<FlowRegistryBucket> getBuckets(FlowRegistryClientConfigurationContext context)
                                   throws IOException

Throws:

IOException

toBucket

private FlowRegistryBucket toBucket(File file)

getRootDirectory

private File getRootDirectory(FlowRegistryClientConfigurationContext context)

getBucket

public FlowRegistryBucket getBucket(FlowRegistryClientConfigurationContext context,
 String bucketId)

registerFlow

public RegisteredFlow registerFlow(FlowRegistryClientConfigurationContext context,
 RegisteredFlow flow)
                            throws IOException

Throws:

IOException

deregisterFlow

public RegisteredFlow deregisterFlow(FlowRegistryClientConfigurationContext context,
 String bucketId,
 String flowId)
                              throws IOException

Throws:

IOException

getFlow

public RegisteredFlow getFlow(FlowRegistryClientConfigurationContext context,
 String bucketId,
 String flowId)

getFlows

public Set<RegisteredFlow> getFlows(FlowRegistryClientConfigurationContext context,
 String bucketId)
                             throws IOException

Throws:

IOException

getFlowContents

public RegisteredFlowSnapshot getFlowContents(FlowRegistryClientConfigurationContext context,
 String bucketId,
 String flowId,
 int version)
                                       throws IOException

Throws:

IOException

populateBucket

private void populateBucket(RegisteredFlowSnapshot snapshot,
 String bucketId)

populateFlow

private void populateFlow(RegisteredFlowSnapshot snapshot,
 String bucketId,
 String flowId,
 int version,
 int numVersions)

registerFlowSnapshot

public RegisteredFlowSnapshot registerFlowSnapshot(FlowRegistryClientConfigurationContext context,
 RegisteredFlowSnapshot flowSnapshot)
                                            throws IOException

Throws:

IOException

fullyPopulate

private RegisteredFlowSnapshot fullyPopulate(RegisteredFlowSnapshot requested,
 File flowDir)

createAllowAllPermissions

private FlowRegistryPermissions createAllowAllPermissions()

getFlowVersions

public Set<RegisteredFlowSnapshotMetadata> getFlowVersions(FlowRegistryClientConfigurationContext context,
 String bucketId,
 String flowId)
                                                    throws IOException

Throws:

IOException

getLatestVersion

public int getLatestVersion(FlowRegistryClientConfigurationContext context,
 String bucketId,
 String flowId)
                     throws IOException

Throws:

IOException

getSnapshotFile

private File getSnapshotFile(FlowRegistryClientConfigurationContext context,
 String bucketId,
 String flowId,
 long version)

getFlowDirectory

private File getFlowDirectory(FlowRegistryClientConfigurationContext context,
 String bucketId,
 String flowId)

getChildLocation

private File getChildLocation(File parentDir,
 Path childLocation)

getFlowPath

private Path getFlowPath(String flowId)

getValidatedBucketPath

private Path getValidatedBucketPath(String id)