Values (Red Hat JBoss Enterprise Application Platform 6.4.19.GA public API)

java.lang.Object
- org.jboss.msc.value.Values

public final class Values
extends Object

Value utility methods.

Author:: David M. Lloyd

Field Summary

Fields
Modifier and Type Field and Description

static List<Value<?>> EMPTY_LIST
The empty value list.

static List<? extends Value<Class<?>>> EMPTY_TYPE_LIST
The empty value type list.

Fields
Modifier and Type	Field and Description
`static List<Value<?>>`	`EMPTY_LIST` The empty value list.
`static List<? extends Value<Class<?>>>`	`EMPTY_TYPE_LIST` The empty value type list.

Method Summary

Methods
Modifier and Type	Method and Description
`static <T> Value<T>`	`asSuperclass(Value<? extends T> value)` Safely re-cast a value as its superclass.
`static <T> Value<T>`	`cached(Value<T> value)` Get a cached value for some opaque value.
`static <T> List<Value<? extends T>>`	`emptyList()` The empty value list.
`static <T> Value<List<T>>`	`emptyListValue()` A value which yields the empty list.
`static Object[]`	`getValues(Iterable<? extends Value<?>> i)` Get an object array from the result of an iterable series of values.
`static <T> T[]`	`getValues(Iterable<? extends Value<? extends T>> i, Class<T> clazz)` Get a typed object array from the result of an iterable series of values.
`static <T> T[]`	`getValues(Iterable<? extends Value<? extends T>> i, T[] array)` Get a typed object array from the result of an iterable series of values.
`static <T> Value<T>`	`immediateValue(T value)` Get an immediate value.
`static <T> List<Value<? extends T>>`	`immediateValues(List<T> values)`
`static <T> List<Value<? extends T>>`	`immediateValues(T... values)`
`static ThreadLocalValue<Object>`	`injectedValue()` The special value representing the value of an injection operation.
`static <T> Value<T>`	`nullValue()` Get the null value.
`static ThreadLocalValue<Object>`	`thisValue()` The special value representing `this` (the object being invoked upon).

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - EMPTY_LIST
```
public static final List<Value<?>> EMPTY_LIST
```
    The empty value list.
  - EMPTY_TYPE_LIST
```
public static final List<? extends Value<Class<?>>> EMPTY_TYPE_LIST
```
    The empty value type list.
- Method Detail
  - getValues
```
public static Object[] getValues(Iterable<? extends Value<?>> i)
```
    Get an object array from the result of an iterable series of values.
    
    Parameters:
    i - the iterable series
    
    Returns:
    the values array
  - getValues
```
public static <T> T[] getValues(Iterable<? extends Value<? extends T>> i,
                Class<T> clazz)
```
    Get a typed object array from the result of an iterable series of values.
    
    Parameters:
    i - the iterable series
    clazz - the resultant array type
    
    Returns:
    the values array
  - getValues
```
public static <T> T[] getValues(Iterable<? extends Value<? extends T>> i,
                T[] array)
```
    Get a typed object array from the result of an iterable series of values.
    
    Parameters:
    i - the iterable series
    array - the array to populate
    
    Returns:
    the values array
  - nullValue
```
public static <T> Value<T> nullValue()
```
    Get the null value.
    
    Type Parameters:
    T - the value type
    
    Returns:
    a value which always yields null
  - cached
```
public static <T> Value<T> cached(Value<T> value)
```
    Get a cached value for some opaque value. If the value is already cached, it is returned as-is.
    
    Type Parameters:
    T - the value type
    Parameters:
    value - the value to wrap
    
    Returns:
    a cached value
  - emptyList
```
public static <T> List<Value<? extends T>> emptyList()
```
    The empty value list.
    
    Type Parameters:
    T - the value type
    
    Returns:
    the empty value list
  - immediateValue
```
public static <T> Value<T> immediateValue(T value)
```
    Get an immediate value.
    
    Type Parameters:
    T - the value type
    Parameters:
    value - the value to return
    
    Returns:
    the immediate value
  - emptyListValue
```
public static <T> Value<List<T>> emptyListValue()
```
    A value which yields the empty list.
    
    Type Parameters:
    T - the list member type
    
    Returns:
    the empty list value
  - immediateValues
```
public static <T> List<Value<? extends T>> immediateValues(List<T> values)
```
  - immediateValues
```
public static <T> List<Value<? extends T>> immediateValues(T... values)
```
  - asSuperclass
```
public static <T> Value<T> asSuperclass(Value<? extends T> value)
```
    Safely re-cast a value as its superclass.
    
    Type Parameters:
    T - the value type
    Parameters:
    value - the value to re-cast
    
    Returns:
    the value
  - thisValue
```
public static ThreadLocalValue<Object> thisValue()
```
    The special value representing this (the object being invoked upon).
    
    Returns:
    the value for this
  - injectedValue
```
public static ThreadLocalValue<Object> injectedValue()
```
    The special value representing the value of an injection operation.
    
    Returns:
    the target value

Class Values

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

EMPTY_LIST

EMPTY_TYPE_LIST

Method Detail

getValues

getValues

getValues

nullValue

cached

emptyList

immediateValue

emptyListValue

immediateValues

immediateValues

asSuperclass

thisValue

injectedValue