Groovy web console

Composition doesnt bind delegation

Published 8 months ago by

jneira with tags

closure

composition

delegate

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class CriteriaBuilder {
  def eq(property,value) {println "${property} = ${value}"}
  def 'in'(property,list) {println "${property} in ${list}"}
}

def criterio1= {eq("prop1",1)}
def criterio2= {'in'("prop2",[1,2,3])}

def composition=criterio1 >> criterio2

def c=new CriteriaBuilder()
c.with criterio1
// prop1 = 1
c.with criterio2
// prop2 in [1, 2, 3]
c.with composition
// groovy.lang.MissingMethodException: No signature of method: Script1.eq() is applicable