org.apache.nifi.remote.client

Class SiteInfoProvider

java.lang.Object

org.apache.nifi.remote.client.SiteInfoProvider

public class SiteInfoProvider
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
private URI	activeClusterUrl
private long	cachedContentExpirationMillis
private Set<String>	clusterUrls
private int	connectTimeoutMillis
private Map<String,String>	inputPortMap
private ReadWriteLock	listeningPortRWLock
private InetAddress	localAddress
private Map<String,String>	outputPortMap
private HttpProxy	proxy
private int	readTimeoutMillis
private static long	REMOTE_REFRESH_MILLIS
private Lock	remoteInfoReadLock
private Lock	remoteInfoWriteLock
private long	remoteRefreshTime
private Integer	siteToSiteHttpPort
private Integer	siteToSitePort
private Boolean	siteToSiteSecure
private SSLContext	sslContext

Constructor Summary

Constructors

Constructor and Description
SiteInfoProvider()

Method Summary

Modifier and Type	Method and Description
protected SiteToSiteRestApiClient	createSiteToSiteRestApiClient(SSLContext sslContext, HttpProxy proxy)
URI	getActiveClusterUrl() Return an active cluster URL that is known to work.
Set<String>	getClusterUrls()
String	getInputPortIdentifier(String portName)
String	getOutputPortIdentifier(String portName)
private String	getPortIdentifier(String portName, Map<String,String> portMap)
String	getPortIdentifier(String portName, TransferDirection transferDirection)
Integer	getSiteToSiteHttpPort()
Integer	getSiteToSitePort()
boolean	isSecure()
boolean	isWebInterfaceSecure()
private ControllerDTO	refreshRemoteInfo()
void	setCachedContentsExpirationMillis(long expirationMillis)
void	setClusterUrls(Set<String> clusterUrls)
void	setConnectTimeoutMillis(int connectTimeoutMillis)
void	setLocalAddress(InetAddress localAddress)
void	setProxy(HttpProxy proxy)
void	setReadTimeoutMillis(int readTimeoutMillis)
void	setSslContext(SSLContext sslContext)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

REMOTE_REFRESH_MILLIS

private static final long REMOTE_REFRESH_MILLIS

listeningPortRWLock

private final ReadWriteLock listeningPortRWLock

remoteInfoReadLock

private final Lock remoteInfoReadLock

remoteInfoWriteLock

private final Lock remoteInfoWriteLock

siteToSitePort

private Integer siteToSitePort

siteToSiteHttpPort

private Integer siteToSiteHttpPort

siteToSiteSecure

private Boolean siteToSiteSecure

remoteRefreshTime

private long remoteRefreshTime

proxy

private HttpProxy proxy

localAddress

private InetAddress localAddress

inputPortMap

private final Map<String,String> inputPortMap

outputPortMap

private final Map<String,String> outputPortMap

clusterUrls

private Set<String> clusterUrls

activeClusterUrl

private URI activeClusterUrl

sslContext

private SSLContext sslContext

connectTimeoutMillis

private int connectTimeoutMillis

readTimeoutMillis

private int readTimeoutMillis

cachedContentExpirationMillis

private long cachedContentExpirationMillis

Constructor Detail

SiteInfoProvider

public SiteInfoProvider()

Method Detail

refreshRemoteInfo

private ControllerDTO refreshRemoteInfo()
                                 throws IOException

Throws:

IOException

createSiteToSiteRestApiClient

protected SiteToSiteRestApiClient createSiteToSiteRestApiClient(SSLContext sslContext,
                                                                HttpProxy proxy)

isWebInterfaceSecure

public boolean isWebInterfaceSecure()

getSiteToSitePort

public Integer getSiteToSitePort()
                          throws IOException

Returns:

the port that the remote instance is listening on for RAW Socket site-to-site communication, or null if the remote instance is not configured to allow site-to-site communications.

Throws:

IOException - if unable to communicate with the remote instance

getSiteToSiteHttpPort

public Integer getSiteToSiteHttpPort()
                              throws IOException

Returns:

the port that the remote instance is listening on for HTTP(S) site-to-site communication, or null if the remote instance is not configured to allow site-to-site communications.

Throws:

IOException - if unable to communicate with the remote instance

isSecure

public boolean isSecure()
                 throws IOException

Returns:

true if the remote instance is configured for secure site-to-site communications, false otherwise

Throws:

IOException - if unable to check if secure

getPortIdentifier

public String getPortIdentifier(String portName,
                                TransferDirection transferDirection)
                         throws IOException

Throws:

IOException

getInputPortIdentifier

public String getInputPortIdentifier(String portName)
                              throws IOException

Throws:

IOException

getOutputPortIdentifier

public String getOutputPortIdentifier(String portName)
                               throws IOException

Throws:

IOException

getPortIdentifier

private String getPortIdentifier(String portName,
                                 Map<String,String> portMap)
                          throws IOException

Throws:

IOException

getActiveClusterUrl

public URI getActiveClusterUrl()
                        throws IOException

Return an active cluster URL that is known to work. If it is unknown yet or cache is expired, then remote info will be refreshed.

Returns:

an active cluster URL

Throws:

IOException

setClusterUrls

public void setClusterUrls(Set<String> clusterUrls)

getClusterUrls

public Set<String> getClusterUrls()

setSslContext

public void setSslContext(SSLContext sslContext)

setConnectTimeoutMillis

public void setConnectTimeoutMillis(int connectTimeoutMillis)

setReadTimeoutMillis

public void setReadTimeoutMillis(int readTimeoutMillis)

setCachedContentsExpirationMillis

public void setCachedContentsExpirationMillis(long expirationMillis)

setProxy

public void setProxy(HttpProxy proxy)

setLocalAddress

public void setLocalAddress(InetAddress localAddress)