org.apache.gora.util

Class AvroUtils

java.lang.Object

org.apache.gora.util.AvroUtils

public class AvroUtils
extends Object

An utility class for Avro related tasks

Constructor Summary

Constructors

Constructor and Description
AvroUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static <T extends Persistent> T	deepClonePersistent(T persistent)
static Object	getEnumValue(org.apache.avro.Schema schema, int enumOrdinal)
static Object	getEnumValue(org.apache.avro.Schema schema, String symbol)
static Map<String,org.apache.avro.Schema.Field>	getFieldMap(org.apache.avro.Schema schema) Returns a map of field name to Field for schema's fields.
static String[]	getPersistentFieldNames(Persistent persistent) Return the field names from a persistent object
static org.apache.avro.Schema	getSchema(Class<? extends Persistent> clazz) Returns the schema of the class
static String[]	getSchemaFieldNames(org.apache.avro.Schema schema) Return the field names from a schema object

Methods inherited from class java.lang.Object

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

Constructor Detail

AvroUtils

public AvroUtils()

Method Detail

getFieldMap

public static Map<String,org.apache.avro.Schema.Field> getFieldMap(org.apache.avro.Schema schema)

Returns a map of field name to Field for schema's fields.

getEnumValue

public static Object getEnumValue(org.apache.avro.Schema schema,
                  String symbol)

getEnumValue

public static Object getEnumValue(org.apache.avro.Schema schema,
                  int enumOrdinal)

getSchema

public static org.apache.avro.Schema getSchema(Class<? extends Persistent> clazz)
                                        throws SecurityException,
                                               NoSuchFieldException,
                                               IllegalArgumentException,
                                               IllegalAccessException

Returns the schema of the class

Throws:

SecurityException

NoSuchFieldException

IllegalArgumentException

IllegalAccessException

getPersistentFieldNames

public static String[] getPersistentFieldNames(Persistent persistent)

Return the field names from a persistent object

Parameters:

persistent - the persistent object to get the fields names from

Returns:

the field names

getSchemaFieldNames

public static String[] getSchemaFieldNames(org.apache.avro.Schema schema)

Return the field names from a schema object

Parameters:

persistent - the persistent object to get the fields names from

Returns:

the field names

deepClonePersistent

public static <T extends Persistent> T deepClonePersistent(T persistent)