public final class ComposedClosure<V> extends Closure<V>
rightShift() and
leftShift() methods on Closure.
Typical usages:
def twice = { a -> a * 2 }
def inc = { b -> b + 1 }
def f = { x -> twice(inc(x)) } // longhand
def g = inc >> twice
def h = twice << inc
assert f(10) == 22
assert g(10) == 22
assert h(10) == 22
def s2c = { it.chars[0] }
def p = Integer.&toHexString >> s2c >> Character.&toUpperCase
assert p(15) == 'F'
def multiply = { a, b -> a * b }
def identity = { a -> [a, a] }
def sq = identity >> multiply
assert (1..5).collect{ sq(it) } == [1, 4, 9, 16, 25]
def add3 = { a, b, c -> a + b + c }
def add2plus10 = add3.curry(10)
def multBoth = { a, b, c -> [a*c, b*c] }
def twiceBoth = multBoth.rcurry(2)
def twiceBothPlus10 = twiceBoth >> add2plus10
assert twiceBothPlus10(5, 10) == 40
DELEGATE_FIRST, DELEGATE_ONLY, DONE, IDENTITY, maximumNumberOfParameters, OWNER_FIRST, OWNER_ONLY, parameterTypes, SKIP, TO_SELF| Constructor and Description |
|---|
ComposedClosure(Closure first,
Closure<V> second) |
| Modifier and Type | Method and Description |
|---|---|
V |
call(java.lang.Object... args) |
java.lang.Object |
clone() |
java.lang.Object |
doCall(java.lang.Object... args) |
java.lang.Object |
getDelegate() |
java.lang.Class[] |
getParameterTypes() |
int |
getResolveStrategy()
Gets the strategy which the closure uses to resolve methods and properties
|
void |
setDelegate(java.lang.Object delegate)
Allows the delegate to be changed such as when performing markup building
|
void |
setResolveStrategy(int resolveStrategy)
Sets the strategy which the closure uses to resolve property references and methods.
|
asWritable, call, call, curry, curry, dehydrate, getDirective, getMaximumNumberOfParameters, getOwner, getProperty, getThisObject, isCase, leftShift, leftShift, memoize, memoizeAtLeast, memoizeAtMost, memoizeBetween, ncurry, ncurry, rcurry, rcurry, rehydrate, rightShift, run, setDirective, setProperty, throwRuntimeException, trampoline, trampolinegetMetaClass, invokeMethod, setMetaClasspublic void setDelegate(java.lang.Object delegate)
ClosuresetDelegate in class Closure<V>delegate - the new delegatepublic java.lang.Object getDelegate()
getDelegate in class Closure<V>public void setResolveStrategy(int resolveStrategy)
ClosuresetResolveStrategy in class Closure<V>resolveStrategy - The resolve strategy to setClosure.DELEGATE_FIRST,
Closure.DELEGATE_ONLY,
Closure.OWNER_FIRST,
Closure.OWNER_ONLY,
Closure.TO_SELFpublic int getResolveStrategy()
ClosuregetResolveStrategy in class Closure<V>Closure.DELEGATE_FIRST,
Closure.DELEGATE_ONLY,
Closure.OWNER_FIRST,
Closure.OWNER_ONLY,
Closure.TO_SELFpublic java.lang.Class[] getParameterTypes()
getParameterTypes in class Closure<V>public java.lang.Object doCall(java.lang.Object... args)