Examples of org.codehaus.groovy.util.SingleKeyHashMap

org.codehaus.groovy.util.SingleKeyHashMap

        }


        public SingleKeyHashMap getNotNull(CachedClass key) {
            Entry res = getOrPut(key);
            if (res.value == null) {
                res.value = new SingleKeyHashMap();
            }
            return (SingleKeyHashMap) res.value;
        }

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    /**
     * @see MetaObjectProtocol#getMetaProperty(String)
     */
    public MetaProperty getMetaProperty(String name) {
        SingleKeyHashMap propertyMap = classPropertyIndex.getNotNull(theCachedClass);
        if (propertyMap.containsKey(name)) {
            return (MetaProperty) propertyMap.get(name);
        } else if (staticPropertyIndex.containsKey(name)) {
            return (MetaProperty) staticPropertyIndex.get(name);
        } else {
            propertyMap = classPropertyIndexForSuper.getNotNull(theCachedClass);
            if (propertyMap.containsKey(name))
                return (MetaProperty) propertyMap.get(name);
            else {
                CachedClass superClass = theCachedClass;
                while (superClass != null && superClass != ReflectionCache.OBJECT_CLASS) {
                    final MetaBeanProperty property = findPropertyInClassHierarchy(name, superClass);
                    if (property != null) {

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     *
     * @return a list of MetaProperty objects
     */
    public List<MetaProperty> getProperties() {
        checkInitalised();
        SingleKeyHashMap propertyMap = classPropertyIndex.getNullable(theCachedClass);
        // simply return the values of the metaproperty map as a List
        List ret = new ArrayList(propertyMap.size());
        for (ComplexKeyHashMap.EntryIterator iter = propertyMap.getEntrySetIterator(); iter.hasNext();) {
            MetaProperty element = (MetaProperty) ((SingleKeyHashMap.Entry) iter.next()).value;
            if (element instanceof CachedField) continue;
            // filter out DGM beans
            if (element instanceof MetaBeanProperty) {
                MetaBeanProperty mp = (MetaBeanProperty) element;

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            LinkedList<CachedClass> superClasses = new LinkedList<CachedClass>();
            superClasses.add(ReflectionCache.OBJECT_CLASS);
            Set interfaces = theCachedClass.getInterfaces();


            classPropertyIndexForSuper = classPropertyIndex;
            final SingleKeyHashMap cPI = classPropertyIndex.getNotNull(theCachedClass);
            for (Iterator interfaceIter = interfaces.iterator(); interfaceIter.hasNext();) {
                CachedClass iclass = (CachedClass) interfaceIter.next();
                SingleKeyHashMap iPropertyIndex = cPI;
                addFields(iclass, iPropertyIndex);
                classPropertyIndex.put(iclass, iPropertyIndex);
            }
            classPropertyIndex.put(ReflectionCache.OBJECT_CLASS, cPI);


            applyPropertyDescriptors(propertyDescriptors);
            applyStrayPropertyMethods(superClasses, classPropertyIndex, true);


            makeStaticPropertyIndex();
        } else {
            LinkedList<CachedClass> superClasses = getSuperClasses();
            Set interfaces = theCachedClass.getInterfaces();


            // if this an Array, then add the special read-only "length" property
            if (theCachedClass.isArray) {
                SingleKeyHashMap map = new SingleKeyHashMap();
                map.put("length", arrayLengthProperty);
                classPropertyIndex.put(theCachedClass, map);
            }


            inheritStaticInterfaceFields(superClasses, interfaces);
            inheritFields(superClasses);

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            makeStaticPropertyIndex();
        }
    }


    private void makeStaticPropertyIndex() {
        SingleKeyHashMap propertyMap = classPropertyIndex.getNotNull(theCachedClass);
        for (ComplexKeyHashMap.EntryIterator iter = propertyMap.getEntrySetIterator(); iter.hasNext();) {
            SingleKeyHashMap.Entry entry = ((SingleKeyHashMap.Entry) iter.next());


            MetaProperty mp = (MetaProperty) entry.getValue();
            if (mp instanceof CachedField) {
                CachedField mfp = (CachedField) mp;

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    }


    private void copyClassPropertyIndexForSuper(Index dest) {
        for (ComplexKeyHashMap.EntryIterator iter = classPropertyIndex.getEntrySetIterator(); iter.hasNext();) {
            SingleKeyHashMap.Entry entry = (SingleKeyHashMap.Entry) iter.next();
            SingleKeyHashMap newVal = new SingleKeyHashMap();
            dest.put((CachedClass) entry.getKey(), newVal);
        }
    }

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    }


    private void inheritStaticInterfaceFields(LinkedList superClasses, Set interfaces) {
        for (Iterator interfaceIter = interfaces.iterator(); interfaceIter.hasNext();) {
            CachedClass iclass = (CachedClass) interfaceIter.next();
            SingleKeyHashMap iPropertyIndex = classPropertyIndex.getNotNull(iclass);
            addFields(iclass, iPropertyIndex);
            for (Iterator classIter = superClasses.iterator(); classIter.hasNext();) {
                CachedClass sclass = (CachedClass) classIter.next();
                if (!iclass.getTheClass().isAssignableFrom(sclass.getTheClass())) continue;
                SingleKeyHashMap sPropertyIndex = classPropertyIndex.getNotNull(sclass);
                copyNonPrivateFields(iPropertyIndex, sPropertyIndex);
            }
        }
    }

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            }
        }
    }


    private void inheritFields(LinkedList<CachedClass> superClasses) {
        SingleKeyHashMap last = null;
        for (CachedClass klass : superClasses) {
            SingleKeyHashMap propertyIndex = classPropertyIndex.getNotNull(klass);
            if (last != null) {
                copyNonPrivateFields(last, propertyIndex);
            }
            last = propertyIndex;
            addFields(klass, propertyIndex);

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    private void applyStrayPropertyMethods(LinkedList<CachedClass> superClasses, Index classPropertyIndex, boolean isThis) {
        // now look for any stray getters that may be used to define a property
        for (CachedClass klass : superClasses) {
            MetaMethodIndex.Header header = metaMethodIndex.getHeader(klass.getTheClass());
            SingleKeyHashMap propertyIndex = classPropertyIndex.getNotNull(klass);
            for (MetaMethodIndex.Entry e = header.head; e != null; e = e.nextClassEntry) {
                String methodName = e.name;
                // name too short?
                if (methodName.length() < 3 ||
                        (!methodName.startsWith("is") && methodName.length() < 4)) continue;

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        MetaProperty staticProperty = establishStaticMetaProperty(mp);
        if (staticProperty != null) {
            staticPropertyIndex.put(mp.getName(), mp);
        } else {


            SingleKeyHashMap propertyMap = classPropertyIndex.getNotNull(theCachedClass);
            //keep field
            CachedField field;
            MetaProperty old = (MetaProperty) propertyMap.get(mp.getName());
            if (old != null) {
                if (old instanceof MetaBeanProperty) {
                    field = ((MetaBeanProperty) old).getField();
                } else {
                    field = (CachedField) old;
                }
                mp.setField(field);
            }


            // put it in the list
            // this will overwrite a possible field property
            propertyMap.put(mp.getName(), mp);
        }


    }

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groovy.lang.MetaClassImpl

groovy.lang.MetaClassImpl$Index

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