org.apache.pulsar.functions.utils

Class FunctionCommon

java.lang.Object

org.apache.pulsar.functions.utils.FunctionCommon

public class FunctionCommon
extends Object

Utils used for runtime.

Constructor Summary

Constructors

Constructor and Description
FunctionCommon()

Method Summary

Modifier and Type	Method and Description
static String	capFirstLetter(Enum en)
static org.apache.pulsar.client.api.SubscriptionInitialPosition	convertFromFunctionDetailsSubscriptionPosition(Function.SubscriptionPosition subscriptionPosition)
static FunctionConfig.ProcessingGuarantees	convertProcessingGuarantee(Function.ProcessingGuarantees processingGuarantees)
static Function.ProcessingGuarantees	convertProcessingGuarantee(FunctionConfig.ProcessingGuarantees processingGuarantees)
static FunctionConfig.Runtime	convertRuntime(Function.FunctionDetails.Runtime runtime)
static Function.FunctionDetails.Runtime	convertRuntime(FunctionConfig.Runtime runtime)
static Object	createInstance(String userClassName, ClassLoader classLoader)
static File	createPkgTempFile()
static void	downloadFromHttpUrl(String destPkgUrl, File targetFile)
static ClassLoader	extractClassLoader(String destPkgUrl)
static File	extractFileFromPkgURL(String destPkgUrl)
static String	extractNameFromFullyQualifiedName(String fqfn)
static String	extractNamespaceFromFullyQualifiedName(String fqfn)
static NarClassLoader	extractNarClassLoader(File packageFile, String narExtractionDirectory)
static String	extractTenantFromFullyQualifiedName(String fqfn)
static int	findAvailablePort()
static ClassLoader	getClassLoaderFromPackage(Function.FunctionDetails.ComponentType componentType, String className, File packageFile, String narExtractionDirectory)
static String	getFullyQualifiedInstanceId(Function.Instance instance)
static String	getFullyQualifiedInstanceId(String tenant, String namespace, String functionName, int instanceId)
static String	getFullyQualifiedName(Function.FunctionDetails FunctionDetails)
static String	getFullyQualifiedName(String tenant, String namespace, String functionName)
static Class<?>[]	getFunctionTypes(Class userClass, boolean isWindowConfigPresent)
static Class<?>[]	getFunctionTypes(FunctionConfig functionConfig, ClassLoader classLoader)
static org.apache.pulsar.client.api.MessageId	getMessageId(long sequenceId)
static long	getSequenceId(org.apache.pulsar.client.api.MessageId messageId)
static Class<?>	getSinkType(Class sinkClass)
static Class<?>	getSinkType(String className, ClassLoader classLoader)
static Class<?>	getSourceType(Class sourceClass)
static Class<?>	getSourceType(String className, ClassLoader classLoader)
static String	getStateNamespace(String tenant, String namespace) Convert pulsar tenant and namespace to state storage namespace.
static Class<?>	getTypeArg(String className, Class<?> funClass, ClassLoader classLoader)
static String	getUniquePackageName(String packageName)
static boolean	isFunctionCodeBuiltin(Function.FunctionDetailsOrBuilder functionDetails)
static void	mergeJson(String json, com.google.protobuf.AbstractMessage.Builder builder)
static String	printJson(com.google.protobuf.MessageOrBuilder msg)
static double	roundDecimal(double value, int places)
static byte[]	toByteArray(Object obj)

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionCommon

public FunctionCommon()

Method Detail

printJson

public static String printJson(com.google.protobuf.MessageOrBuilder msg)
                        throws IOException

Throws:

IOException

mergeJson

public static void mergeJson(String json,
                             com.google.protobuf.AbstractMessage.Builder builder)
                      throws IOException

Throws:

IOException

findAvailablePort

public static int findAvailablePort()

getFunctionTypes

public static Class<?>[] getFunctionTypes(FunctionConfig functionConfig,
                                          ClassLoader classLoader)
                                   throws ClassNotFoundException

Throws:

ClassNotFoundException

getFunctionTypes

public static Class<?>[] getFunctionTypes(Class userClass,
                                          boolean isWindowConfigPresent)

createInstance

public static Object createInstance(String userClassName,
                                    ClassLoader classLoader)

convertRuntime

public static Function.FunctionDetails.Runtime convertRuntime(FunctionConfig.Runtime runtime)

convertRuntime

public static FunctionConfig.Runtime convertRuntime(Function.FunctionDetails.Runtime runtime)

convertProcessingGuarantee

public static Function.ProcessingGuarantees convertProcessingGuarantee(FunctionConfig.ProcessingGuarantees processingGuarantees)

convertProcessingGuarantee

public static FunctionConfig.ProcessingGuarantees convertProcessingGuarantee(Function.ProcessingGuarantees processingGuarantees)

getSourceType

public static Class<?> getSourceType(String className,
                                     ClassLoader classLoader)
                              throws ClassNotFoundException

Throws:

ClassNotFoundException

getSourceType

public static Class<?> getSourceType(Class sourceClass)

getSinkType

public static Class<?> getSinkType(String className,
                                   ClassLoader classLoader)
                            throws ClassNotFoundException

Throws:

ClassNotFoundException

getSinkType

public static Class<?> getSinkType(Class sinkClass)

downloadFromHttpUrl

public static void downloadFromHttpUrl(String destPkgUrl,
                                       File targetFile)
                                throws IOException

Throws:

IOException

extractClassLoader

public static ClassLoader extractClassLoader(String destPkgUrl)
                                      throws IOException,
                                             URISyntaxException

Throws:

IOException

URISyntaxException

createPkgTempFile

public static File createPkgTempFile()
                              throws IOException

Throws:

IOException

extractFileFromPkgURL

public static File extractFileFromPkgURL(String destPkgUrl)
                                  throws IOException,
                                         URISyntaxException

Throws:

IOException

URISyntaxException

extractNarClassLoader

public static NarClassLoader extractNarClassLoader(File packageFile,
                                                   String narExtractionDirectory)

getFullyQualifiedInstanceId

public static String getFullyQualifiedInstanceId(Function.Instance instance)

getFullyQualifiedInstanceId

public static String getFullyQualifiedInstanceId(String tenant,
                                                 String namespace,
                                                 String functionName,
                                                 int instanceId)

getSequenceId

public static final long getSequenceId(org.apache.pulsar.client.api.MessageId messageId)

getMessageId

public static final org.apache.pulsar.client.api.MessageId getMessageId(long sequenceId)

toByteArray

public static byte[] toByteArray(Object obj)
                          throws IOException

Throws:

IOException

getUniquePackageName

public static String getUniquePackageName(String packageName)

getStateNamespace

public static String getStateNamespace(String tenant,
                                       String namespace)

Convert pulsar tenant and namespace to state storage namespace.

Parameters:

tenant - pulsar tenant

namespace - pulsar namespace

Returns:

state storage namespace

getFullyQualifiedName

public static String getFullyQualifiedName(Function.FunctionDetails FunctionDetails)

getFullyQualifiedName

public static String getFullyQualifiedName(String tenant,
                                           String namespace,
                                           String functionName)

extractTenantFromFullyQualifiedName

public static String extractTenantFromFullyQualifiedName(String fqfn)

extractNamespaceFromFullyQualifiedName

public static String extractNamespaceFromFullyQualifiedName(String fqfn)

extractNameFromFullyQualifiedName

public static String extractNameFromFullyQualifiedName(String fqfn)

getTypeArg

public static Class<?> getTypeArg(String className,
                                  Class<?> funClass,
                                  ClassLoader classLoader)
                           throws ClassNotFoundException

Throws:

ClassNotFoundException

roundDecimal

public static double roundDecimal(double value,
                                  int places)

getClassLoaderFromPackage

public static ClassLoader getClassLoaderFromPackage(Function.FunctionDetails.ComponentType componentType,
                                                    String className,
                                                    File packageFile,
                                                    String narExtractionDirectory)

capFirstLetter

public static String capFirstLetter(Enum en)

isFunctionCodeBuiltin

public static boolean isFunctionCodeBuiltin(Function.FunctionDetailsOrBuilder functionDetails)

convertFromFunctionDetailsSubscriptionPosition

public static org.apache.pulsar.client.api.SubscriptionInitialPosition convertFromFunctionDetailsSubscriptionPosition(Function.SubscriptionPosition subscriptionPosition)