AlluxioConfiguration (Alluxio Parent 2.7.2-SNAPSHOT API)

All Known Implementing Classes:

InstancedConfiguration, SpecificPathConfiguration, UnderFileSystemConfiguration
```
@PublicApi
public interface AlluxioConfiguration
```
Alluxio configuration.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method and Description
`boolean`	`clusterDefaultsLoaded()`
`AlluxioProperties`	`copyProperties()` Gets a copy of the `AlluxioProperties` which back the `AlluxioConfiguration`.
`String`	`get(PropertyKey key)` Gets the value for the given key in the `Properties`; if this key is not found, a RuntimeException is thrown.
`String`	`get(PropertyKey key, ConfigurationValueOptions options)` Gets the value for the given key in the `Properties`; if this key is not found, a RuntimeException is thrown.
`boolean`	`getBoolean(PropertyKey key)` Gets the boolean representation of the value for the given key.
`long`	`getBytes(PropertyKey key)` Gets the bytes of the value for the given key.
`<T> Class<T>`	`getClass(PropertyKey key)` Gets the value for the given key as a class.
`double`	`getDouble(PropertyKey key)` Gets the double representation of the value for the given key.
`java.time.Duration`	`getDuration(PropertyKey key)` Gets the time of the key as a duration.
`<T extends Enum<T>> T`	`getEnum(PropertyKey key, Class<T> enumType)` Gets the value for the given key as an enum value.
`float`	`getFloat(PropertyKey key)` Gets the float representation of the value for the given key.
`int`	`getInt(PropertyKey key)` Gets the integer representation of the value for the given key.
`List<String>`	`getList(PropertyKey key, String delimiter)` Gets the value for the given key as a list.
`long`	`getLong(PropertyKey key)` Gets the long representation of the value for the given key.
`long`	`getMs(PropertyKey key)` Gets the time of key in millisecond unit.
`Map<String,String>`	`getNestedProperties(PropertyKey prefixKey)` Gets a set of properties that share a given common prefix key as a map.
`default String`	`getOrDefault(PropertyKey key, String defaultValue)`
`default String`	`getOrDefault(PropertyKey key, String defaultValue, ConfigurationValueOptions options)`
`Source`	`getSource(PropertyKey key)`
`default String`	`hash()`
`boolean`	`isSet(PropertyKey key)` Checks if the configuration contains a value for the given key.
`boolean`	`isSetByUser(PropertyKey key)`
`Set<PropertyKey>`	`keySet()`
`default Map<String,String>`	`toMap()`
`Map<String,String>`	`toMap(ConfigurationValueOptions opts)`
`Set<PropertyKey>`	`userKeySet()`
`void`	`validate()` Validates the configuration.

- Method Detail
  - get
```
String get(PropertyKey key)
```
    Gets the value for the given key in the Properties; if this key is not found, a RuntimeException is thrown.
    
    Parameters:
    
    key - the key to get the value for
    
    Returns:
    
    the value for the given key
  - get
```
String get(PropertyKey key,
           ConfigurationValueOptions options)
```
    Gets the value for the given key in the Properties; if this key is not found, a RuntimeException is thrown.
    
    Parameters:
    
    key - the key to get the value for
    
    options - options for getting configuration value
    
    Returns:
    
    the value for the given key
  - getOrDefault
```
default String getOrDefault(PropertyKey key,
                            String defaultValue)
```
    Parameters:
    
    key - the key to get the value for
    
    defaultValue - the value to return if no value is set for the specified key
    
    Returns:
    
    the value
  - getOrDefault
```
default String getOrDefault(PropertyKey key,
                            String defaultValue,
                            ConfigurationValueOptions options)
```
    Parameters:
    
    key - the key to get the value for
    
    defaultValue - the value to return if no value is set for the specified key
    
    options - options for getting configuration value
    
    Returns:
    
    the value
  - isSet
```
boolean isSet(PropertyKey key)
```
    Checks if the configuration contains a value for the given key.
    
    Parameters:
    
    key - the key to check
    
    Returns:
    
    true if there is value for the key, false otherwise
  - isSetByUser
```
boolean isSetByUser(PropertyKey key)
```
    Parameters:
    
    key - the key to check
    
    Returns:
    
    true if there is value for the key set by user, false otherwise even when there is a default value for the key
  - keySet
```
Set<PropertyKey> keySet()
```
    Returns:
    
    the keys configured by the configuration
  - userKeySet
```
Set<PropertyKey> userKeySet()
```
    Returns:
    
    the keys set by user
  - getInt
```
int getInt(PropertyKey key)
```
    Gets the integer representation of the value for the given key.
    
    Parameters:
    
    key - the key to get the value for
    
    Returns:
    
    the value for the given key as an int
  - getLong
```
long getLong(PropertyKey key)
```
    Gets the long representation of the value for the given key.
    
    Parameters:
    
    key - the key to get the value for
    
    Returns:
    
    the value for the given key as a long
  - getDouble
```
double getDouble(PropertyKey key)
```
    Gets the double representation of the value for the given key.
    
    Parameters:
    
    key - the key to get the value for
    
    Returns:
    
    the value for the given key as a double
  - getFloat
```
float getFloat(PropertyKey key)
```
    Gets the float representation of the value for the given key.
    
    Parameters:
    
    key - the key to get the value for
    
    Returns:
    
    the value for the given key as a float
  - getBoolean
```
boolean getBoolean(PropertyKey key)
```
    Gets the boolean representation of the value for the given key.
    
    Parameters:
    
    key - the key to get the value for
    
    Returns:
    
    the value for the given key as a boolean
  - getList
```
List<String> getList(PropertyKey key,
                     String delimiter)
```
    Gets the value for the given key as a list.
    
    Parameters:
    
    key - the key to get the value for
    
    delimiter - the delimiter to split the values
    
    Returns:
    
    the list of values for the given key
  - getEnum
```
<T extends Enum<T>> T getEnum(PropertyKey key,
                              Class<T> enumType)
```
    Gets the value for the given key as an enum value.
    
    Type Parameters:
    
    T - the type of the enum
    
    Parameters:
    
    key - the key to get the value for
    
    enumType - the type of the enum
    
    Returns:
    
    the value for the given key as an enum value
  - getBytes
```
long getBytes(PropertyKey key)
```
    Gets the bytes of the value for the given key.
    
    Parameters:
    
    key - the key to get the value for
    
    Returns:
    
    the bytes of the value for the given key
  - getMs
```
long getMs(PropertyKey key)
```
    Gets the time of key in millisecond unit.
    
    Parameters:
    
    key - the key to get the value for
    
    Returns:
    
    the time of key in millisecond unit
  - getDuration
```
java.time.Duration getDuration(PropertyKey key)
```
    Gets the time of the key as a duration.
    
    Parameters:
    
    key - the key to get the value for
    
    Returns:
    
    the value of the key represented as a duration
  - getClass
```
<T> Class<T> getClass(PropertyKey key)
```
    Gets the value for the given key as a class.
    
    Type Parameters:
    
    T - the type of the class
    
    Parameters:
    
    key - the key to get the value for
    
    Returns:
    
    the value for the given key as a class
  - getNestedProperties
```
Map<String,String> getNestedProperties(PropertyKey prefixKey)
```
    Gets a set of properties that share a given common prefix key as a map. E.g., if A.B=V1 and A.C=V2, calling this method with prefixKey=A returns a map of {B=V1, C=V2}, where B and C are also valid properties. If no property shares the prefix, an empty map is returned.
    
    Parameters:
    
    prefixKey - the prefix key
    
    Returns:
    
    a map from nested properties aggregated by the prefix
  - copyProperties
```
AlluxioProperties copyProperties()
```
    Gets a copy of the AlluxioProperties which back the AlluxioConfiguration.
    
    Returns:
    
    A copy of AlluxioProperties representing the configuration
  - getSource
```
Source getSource(PropertyKey key)
```
    Parameters:
    
    key - the property key
    
    Returns:
    
    the source for the given key
  - toMap
```
default Map<String,String> toMap()
```
    Returns:
    
    a map from all configuration property names to their values; values may potentially be null
  - toMap
```
Map<String,String> toMap(ConfigurationValueOptions opts)
```
    Parameters:
    
    opts - options for formatting the configuration values
    
    Returns:
    
    a map from all configuration property names to their values; values may potentially be null
  - validate
```
void validate()
```
    Validates the configuration.
    
    Throws:
    
    IllegalStateException - if invalid configuration is encountered
  - clusterDefaultsLoaded
```
boolean clusterDefaultsLoaded()
```
    Returns:
    
    whether or not the configuration has been merged with cluster defaults
  - hash
```
default String hash()
```
    Returns:
    
    hash of properties, if hashing is not supported, return empty string

Interface AlluxioConfiguration

Method Summary

Method Detail

get

get

getOrDefault

getOrDefault

isSet

isSetByUser

keySet

userKeySet

getInt

getLong

getDouble

getFloat

getBoolean

getList

getEnum

getBytes

getMs

getDuration

getClass

getNestedProperties

copyProperties

getSource

toMap

toMap

validate

clusterDefaultsLoaded

hash