Examples of groovy.lang.MetaMethod

groovy.lang.MetaMethod
Represents a Method on a Java object a little like {@link java.lang.reflect.Method}except without using reflection to invoke the method @author James Strachan @author Alex Tkachman @version $Revision: 10617 $

            FastArray oldList = (FastArray) oldListOrMethod;
            Entry e = null;
            int len1 = oldList.size();
            Object list[] = oldList.getArray();
            for (int j = 0; j != len1; ++j) {
                MetaMethod method = (MetaMethod) list[j];
                if (method.isPrivate()) continue;
                if (e == null)
                    e = getOrPutMethods(from.name, to);
                e.methods = addMethodToList(e.methods, method);
            }
        } else {
            MetaMethod method = (MetaMethod) oldListOrMethod;
            if (!method.isPrivate()) {
                Entry e = getOrPutMethods(from.name, to);
                e.methods = addMethodToList(e.methods, method);
            }
        }
    }

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            FastArray oldList = (FastArray) oldListOrMethod;
            Entry e = null;
            int len1 = oldList.size();
            Object list[] = oldList.getArray();
            for (int j = 0; j != len1; ++j) {
                MetaMethod method = (MetaMethod) list[j];
                if (e == null)
                    e = getOrPutMethods(from.name, to);
                e.methodsForSuper = addMethodToList(e.methodsForSuper, method);
            }
        } else {
            MetaMethod method = (MetaMethod) oldListOrMethod;
            Entry e = getOrPutMethods(from.name, to);
            e.methodsForSuper = addMethodToList(e.methodsForSuper, method);
        }
    }

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        if (oldListOrMethod instanceof FastArray) {
            FastArray oldList = (FastArray) oldListOrMethod;
            int len1 = oldList.size();
            Object list[] = oldList.getArray();
            for (int j = 0; j != len1; ++j) {
                MetaMethod method = (MetaMethod) list[j];
                if (method.isPrivate()) continue;
                e.methods = addMethodToList(e.methods, method);
            }
        } else {
            MetaMethod method = (MetaMethod) oldListOrMethod;
            if (!method.isPrivate()) {
                e.methods = addMethodToList(e.methods, method);
            }
        }
    }

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            FastArray oldList = (FastArray) oldListOrMethod;
            Entry e = null;
            int len1 = oldList.size();
            Object list[] = oldList.getArray();
            for (int j = 0; j != len1; ++j) {
                MetaMethod method = (MetaMethod) list[j];
                if (method instanceof NewMetaMethod || method.isPrivate()) continue;
                if (e == null)
                    e = getOrPutMethods(from.name, to);
                e.methods = addMethodToList(e.methods, method);
            }
        } else {
            MetaMethod method = (MetaMethod) oldListOrMethod;
            if (method instanceof NewMetaMethod || method.isPrivate()) return;
            Entry e = getOrPutMethods(from.name, to);
            e.methods = addMethodToList(e.methods, method);
        }
    }

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        if (o == null) {
            return method;
        }


        if (o instanceof MetaMethod) {
            MetaMethod match = (MetaMethod) o;
            if (!isMatchingMethod(match, method)) {
                FastArray list = new FastArray(2);
                list.add(match);
                list.add(method);
                return list;
            } else {
                if (match.isPrivate()
                        || (!isNonRealMethod(match) && match.getDeclaringClass().isInterface() && !method.getDeclaringClass().isInterface())) {
                    // do not overwrite interface methods with instance methods
                    // do not overwrite private methods
                    // Note: private methods from parent classes are not shown here,
                    // but when doing the multimethod connection step, we overwrite
                    // methods of the parent class with methods of a subclass and
                    // in that case we want to keep the private methods
                } else {
                    CachedClass methodC = method.getDeclaringClass();
                    CachedClass matchC = match.getDeclaringClass();
                    if (methodC == matchC) {
                        if (isNonRealMethod(method)) {
                            return method;
                        }
                    } else if (!methodC.isAssignableFrom(matchC.getTheClass())) {
                        return method;
                    }
                }
            }
            return o;
        }


        if (o instanceof FastArray) {
            FastArray list = (FastArray) o;
            int found = findMatchingMethod(list, method);


            if (found == -1) {
                list.add(method);
            } else {
                MetaMethod match = (MetaMethod) list.get(found);
                if (match==method) return o;
                if (match.isPrivate()
                        || (!isNonRealMethod(match) && match.getDeclaringClass().isInterface() && !method.getDeclaringClass().isInterface())) {
                    // do not overwrite interface methods with instance methods
                    // do not overwrite private methods
                    // Note: private methods from parent classes are not shown here,
                    // but when doing the multimethod connection step, we overwrite
                    // methods of the parent class with methods of a subclass and
                    // in that case we want to keep the private methods
                } else {
                    CachedClass  methodC = method.getDeclaringClass();
                    CachedClass matchC = match.getDeclaringClass();
                    if (methodC == matchC) {
                        if (isNonRealMethod(method)) {
                            list.set(found, method);
                        }
                    } else if (!methodC.isAssignableFrom(matchC.getTheClass())) {

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    private int findMatchingMethod(FastArray list, MetaMethod method) {
        int len = list.size();
        Object data[] = list.getArray();
        for (int j = 0; j != len; ++j) {
            MetaMethod aMethod = (MetaMethod) data[j];
            if (isMatchingMethod(aMethod, method))
                return j;
        }
        return -1;
    }

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            FastArray oldList = (FastArray) oldListOrMethod;
            Entry e = null;
            int len1 = oldList.size();
            Object list[] = oldList.getArray();
            for (int j = 0; j != len1; ++j) {
                MetaMethod method = (MetaMethod) list[j];
                if (e == null)
                    e = getOrPutMethods(from.name, to);
                e.methods = addMethodToList(e.methods, method);
            }
        } else {
            MetaMethod method = (MetaMethod) oldListOrMethod;
            if (!method.isPrivate()) {
                Entry e = getOrPutMethods(from.name, to);
                e.methods = addMethodToList(e.methods, method);
            }
        }
    }

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    public MixinInstanceMetaProperty(MetaProperty property, MixinInMetaClass mixinInMetaClass) {
        super(property.getName(), property.getType(), createGetter(property, mixinInMetaClass), createSetter(property, mixinInMetaClass));
    }


    private static MetaMethod createSetter(final MetaProperty property, final MixinInMetaClass mixinInMetaClass) {
      return new MetaMethod() {
          final String name = getSetterName(property.getName());
          {
              setParametersTypes (new CachedClass [] {ReflectionCache.getCachedClass(property.getType())} );
          }

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          }
      };
    }


    private static MetaMethod createGetter(final MetaProperty property, final MixinInMetaClass mixinInMetaClass) {
        return new MetaMethod() {
            final String name = getGetterName(property.getName(), property.getType());
            {
                setParametersTypes (new CachedClass [0]);
            }

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        MetaClass metaClass = InvokerHelper.getMetaClass(objectUnderInspection);
        List metaMethods = metaClass.getMetaMethods();
        Object[] result = new Object[metaMethods.size()];
        int i=0;
        for (Iterator iter = metaMethods.iterator(); iter.hasNext(); i++) {
            MetaMethod metaMethod = (MetaMethod) iter.next();
            result[i] = methodInfo(metaMethod);
        }
        return result;
    }

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