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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package groovy.util;
import groovy.lang.Closure;
import groovy.lang.GString;
import groovy.lang.MetaProperty;
import groovy.lang.MissingPropertyException;
import org.codehaus.groovy.runtime.InvokerHelper;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
/**
* A builder for creating object graphs.
* Each node defines the class to be created and the property on its parent (if
* any) at the same time.
*
* @author Scott Vlaminck (http://refactr.com)
* @author Andres Almiray
*/
public class ObjectGraphBuilder extends FactoryBuilderSupport {
public static final String NODE_CLASS = "_NODE_CLASS_";
public static final String NODE_NAME = "_NODE_NAME_";
public static final String OBJECT_ID = "_OBJECT_ID_";
public static final String LAZY_REF = "_LAZY_REF_";
public static final String CLASSNAME_RESOLVER_KEY = "name";
public static final String CLASSNAME_RESOLVER_REFLECTION = "reflection";
public static final String CLASSNAME_RESOLVER_REFLECTION_ROOT = "root";
// Regular expression pattern used to identify words ending in 'y' preceded by a consonant
private static final Pattern PLURAL_IES_PATTERN = Pattern.compile(".*[^aeiouy]y", Pattern.CASE_INSENSITIVE);
private ChildPropertySetter childPropertySetter;
private ClassNameResolver classNameResolver;
private IdentifierResolver identifierResolver;
private NewInstanceResolver newInstanceResolver;
private ObjectFactory objectFactory = new ObjectFactory();
private ObjectBeanFactory objectBeanFactory = new ObjectBeanFactory();
private ObjectRefFactory objectRefFactory = new ObjectRefFactory();
private ReferenceResolver referenceResolver;
private RelationNameResolver relationNameResolver;
private Map resolvedClasses = new HashMap();
private ClassLoader classLoader;
private boolean lazyReferencesAllowed = true;
private List lazyReferences = new ArrayList();
private String beanFactoryName = "bean";
public ObjectGraphBuilder() {
classNameResolver = new DefaultClassNameResolver();
newInstanceResolver = new DefaultNewInstanceResolver();
relationNameResolver = new DefaultRelationNameResolver();
childPropertySetter = new DefaultChildPropertySetter();
identifierResolver = new DefaultIdentifierResolver();
referenceResolver = new DefaultReferenceResolver();
addPostNodeCompletionDelegate(new Closure(this, this) {
private static final long serialVersionUID = 7282290918368141309L;
public void doCall(ObjectGraphBuilder builder, Object parent, Object node) {
if (parent == null) {
builder.resolveLazyReferences();
builder.dispose();
}
}
});
}
/**
* Returns the current name of the 'bean' node.
*/
public String getBeanFactoryName() {
return beanFactoryName;
}
/**
* Returns the current ChildPropertySetter.
*/
public ChildPropertySetter getChildPropertySetter() {
return childPropertySetter;
}
/**
* Returns the classLoader used to load a node's class.
*/
public ClassLoader getClassLoader() {
return classLoader;
}
/**
* Returns the current ClassNameResolver.
*/
public ClassNameResolver getClassNameResolver() {
return classNameResolver;
}
/**
* Returns the current NewInstanceResolver.
*/
public NewInstanceResolver getNewInstanceResolver() {
return newInstanceResolver;
}
/**
* Returns the current RelationNameResolver.
*/
public RelationNameResolver getRelationNameResolver() {
return relationNameResolver;
}
/**
* Returns true if references can be resolved lazily
*/
public boolean isLazyReferencesAllowed() {
return lazyReferencesAllowed;
}
/**
* Sets the name for the 'bean' node.
*/
public void setBeanFactoryName(String beanFactoryName) {
this.beanFactoryName = beanFactoryName;
}
/**
* Sets the current ChildPropertySetter.
* It will assign DefaultChildPropertySetter if null.
* It accepts a ChildPropertySetter instance or a Closure.
*/
public void setChildPropertySetter(final Object childPropertySetter) {
if (childPropertySetter instanceof ChildPropertySetter) {
this.childPropertySetter = (ChildPropertySetter) childPropertySetter;
} else if (childPropertySetter instanceof Closure) {
final ObjectGraphBuilder self = this;
this.childPropertySetter = new ChildPropertySetter() {
public void setChild(Object parent, Object child, String parentName,
String propertyName) {
Closure cls = (Closure) childPropertySetter;
cls.setDelegate(self);
cls.call(new Object[]{parent, child, parentName, propertyName});
}
};
} else {
this.childPropertySetter = new DefaultChildPropertySetter();
}
}
/**
* Sets the classLoader used to load a node's class.
*/
public void setClassLoader(ClassLoader classLoader) {
this.classLoader = classLoader;
}
/**
* Sets the current ClassNameResolver.
* It will assign DefaultClassNameResolver if null.
* It accepts a ClassNameResolver instance, a String, a Closure or a Map.
*/
public void setClassNameResolver(final Object classNameResolver) {
if (classNameResolver instanceof ClassNameResolver) {
this.classNameResolver = (ClassNameResolver) classNameResolver;
} else if (classNameResolver instanceof String) {
this.classNameResolver = new ClassNameResolver() {
public String resolveClassname(String classname) {
return makeClassName((String) classNameResolver, classname);
}
};
} else if (classNameResolver instanceof Closure) {
final ObjectGraphBuilder self = this;
this.classNameResolver = new ClassNameResolver() {
public String resolveClassname(String classname) {
Closure cls = (Closure) classNameResolver;
cls.setDelegate(self);
return (String) cls.call(new Object[]{classname});
}
};
} else if (classNameResolver instanceof Map) {
Map classNameResolverOptions = (Map) classNameResolver;
String resolverName = (String) classNameResolverOptions.get(CLASSNAME_RESOLVER_KEY);
if (resolverName == null) {
throw new RuntimeException("key '" + CLASSNAME_RESOLVER_KEY + "' not defined");
}
if (CLASSNAME_RESOLVER_REFLECTION.equals(resolverName)) {
String root = (String) classNameResolverOptions.get(CLASSNAME_RESOLVER_REFLECTION_ROOT);
if (root == null) {
throw new RuntimeException("key '" + CLASSNAME_RESOLVER_REFLECTION_ROOT + "' not defined");
}
this.classNameResolver = new ReflectionClassNameResolver(root);
} else {
throw new RuntimeException("unknown class name resolver " + resolverName);
}
} else {
this.classNameResolver = new DefaultClassNameResolver();
}
}
/**
* Sets the current IdentifierResolver.
* It will assign DefaultIdentifierResolver if null.
* It accepts a IdentifierResolver instance, a String or a Closure.
*/
public void setIdentifierResolver(final Object identifierResolver) {
if (identifierResolver instanceof IdentifierResolver) {
this.identifierResolver = (IdentifierResolver) identifierResolver;
} else if (identifierResolver instanceof String) {
this.identifierResolver = new IdentifierResolver() {
public String getIdentifierFor(String nodeName) {
return (String) identifierResolver;
}
};
} else if (identifierResolver instanceof Closure) {
final ObjectGraphBuilder self = this;
this.identifierResolver = new IdentifierResolver() {
public String getIdentifierFor(String nodeName) {
Closure cls = (Closure) identifierResolver;
cls.setDelegate(self);
return (String) cls.call(new Object[]{nodeName});
}
};
} else {
this.identifierResolver = new DefaultIdentifierResolver();
}
}
/**
* Sets whether references can be resolved lazily or not.
*/
public void setLazyReferencesAllowed(boolean lazyReferencesAllowed) {
this.lazyReferencesAllowed = lazyReferencesAllowed;
}
/**
* Sets the current NewInstanceResolver.
* It will assign DefaultNewInstanceResolver if null.
* It accepts a NewInstanceResolver instance or a Closure.
*/
public void setNewInstanceResolver(final Object newInstanceResolver) {
if (newInstanceResolver instanceof NewInstanceResolver) {
this.newInstanceResolver = (NewInstanceResolver) newInstanceResolver;
} else if (newInstanceResolver instanceof Closure) {
final ObjectGraphBuilder self = this;
this.newInstanceResolver = new NewInstanceResolver() {
public Object newInstance(Class klass, Map attributes)
throws InstantiationException, IllegalAccessException {
Closure cls = (Closure) newInstanceResolver;
cls.setDelegate(self);
return cls.call(new Object[]{klass, attributes});
}
};
} else {
this.newInstanceResolver = new DefaultNewInstanceResolver();
}
}
/**
* Sets the current ReferenceResolver.
* It will assign DefaultReferenceResolver if null.
* It accepts a ReferenceResolver instance, a String or a Closure.
*/
public void setReferenceResolver(final Object referenceResolver) {
if (referenceResolver instanceof ReferenceResolver) {
this.referenceResolver = (ReferenceResolver) referenceResolver;
} else if (referenceResolver instanceof String) {
this.referenceResolver = new ReferenceResolver() {
public String getReferenceFor(String nodeName) {
return (String) referenceResolver;
}
};
} else if (referenceResolver instanceof Closure) {
final ObjectGraphBuilder self = this;
this.referenceResolver = new ReferenceResolver() {
public String getReferenceFor(String nodeName) {
Closure cls = (Closure) referenceResolver;
cls.setDelegate(self);
return (String) cls.call(new Object[]{nodeName});
}
};
} else {
this.referenceResolver = new DefaultReferenceResolver();
}
}
/**
* Sets the current RelationNameResolver.
* It will assign DefaultRelationNameResolver if null.
*/
public void setRelationNameResolver(RelationNameResolver relationNameResolver) {
this.relationNameResolver = relationNameResolver != null ? relationNameResolver
: new DefaultRelationNameResolver();
}
protected void postInstantiate(Object name, Map attributes, Object node) {
super.postInstantiate(name, attributes, node);
Map context = getContext();
String objectId = (String) context.get(OBJECT_ID);
if (objectId != null && node != null) {
setVariable(objectId, node);
}
}
protected void preInstantiate(Object name, Map attributes, Object value) {
super.preInstantiate(name, attributes, value);
Map context = getContext();
context.put(OBJECT_ID,
attributes.remove(identifierResolver.getIdentifierFor((String) name)));
}
protected Factory resolveFactory(Object name, Map attributes, Object value) {
// let custom factories be resolved first
Factory factory = super.resolveFactory(name, attributes, value);
if (factory != null) {
return factory;
}
if (attributes.get(referenceResolver.getReferenceFor((String) name)) != null) {
return objectRefFactory;
}
if (beanFactoryName != null && beanFactoryName.equals((String) name)) {
return objectBeanFactory;
}
return objectFactory;
}
/**
* Strategy for setting a child node on its parent.
* Useful for handling Lists/Arrays vs normal properties.
*/
public interface ChildPropertySetter {
/**
* @param parent the parent's node value
* @param child the child's node value
* @param parentName the name of the parent node
* @param propertyName the resolved relation name of the child
*/
void setChild(Object parent, Object child, String parentName, String propertyName);
}
/**
* Strategy for resolving a classname.
*/
public interface ClassNameResolver {
/**
* @param classname the node name as written on the building code
*/
String resolveClassname(String classname);
}
/**
* Default impl that calls parent.propertyName = child
* If parent.propertyName is a Collection it will try to add child to the
* collection.
*/
public static class DefaultChildPropertySetter implements ChildPropertySetter {
public void setChild(Object parent, Object child, String parentName, String propertyName) {
try {
Object property = InvokerHelper.getProperty(parent, propertyName);
if (property != null && Collection.class.isAssignableFrom(property.getClass())) {
((Collection) property).add(child);
} else {
InvokerHelper.setProperty(parent, propertyName, child);
}
} catch (MissingPropertyException mpe) {
// ignore
}
}
}
/**
* Default impl that capitalizes the classname.
*/
public static class DefaultClassNameResolver implements ClassNameResolver {
public String resolveClassname(String classname) {
if (classname.length() == 1) {
return classname.toUpperCase();
}
return classname.substring(0, 1)
.toUpperCase() + classname.substring(1);
}
}
/**
* Build objects using reflection to resolve class names.
*/
public class ReflectionClassNameResolver implements ClassNameResolver {
private final String root;
/**
* @param root package where the graph root class is located
*/
public ReflectionClassNameResolver(String root) {
this.root = root;
}
public String resolveClassname(String classname) {
Object currentNode = getContext().get(CURRENT_NODE);
if (currentNode == null) {
return makeClassName(root, classname);
} else {
try {
Class klass = currentNode.getClass().getDeclaredField(classname).getType();
if (Collection.class.isAssignableFrom(klass)) {
Type type = currentNode.getClass().getDeclaredField(classname).getGenericType();
if (type instanceof ParameterizedType) {
ParameterizedType ptype = (ParameterizedType) type;
Type[] actualTypeArguments = ptype.getActualTypeArguments();
if (actualTypeArguments.length != 1) {
throw new RuntimeException("can't determine class name for collection field " + classname + " with multiple generics");
}
Type typeArgument = actualTypeArguments[0];
if (typeArgument instanceof Class) {
klass = (Class) actualTypeArguments[0];
} else {
throw new RuntimeException("can't instantiate collection field " + classname + " elements as they aren't a class");
}
} else {
throw new RuntimeException("collection field " + classname + " must be genericised");
}
}
return klass.getName();
} catch (NoSuchFieldException e) {
throw new RuntimeException("can't find field " + classname + " for node class " + currentNode.getClass().getName(), e);
}
}
}
}
/**
* Default impl, always returns 'id'
*/
public static class DefaultIdentifierResolver implements IdentifierResolver {
public String getIdentifierFor(String nodeName) {
return "id";
}
}
/**
* Default impl that calls Class.newInstance()
*/
public static class DefaultNewInstanceResolver implements NewInstanceResolver {
public Object newInstance(Class klass, Map attributes) throws InstantiationException,
IllegalAccessException {
return klass.newInstance();
}
}
/**
* Default impl, always returns 'refId'
*/
public static class DefaultReferenceResolver implements ReferenceResolver {
public String getReferenceFor(String nodeName) {
return "refId";
}
}
/**
* Default impl that returns parentName and childName accordingly.
*/
public static class DefaultRelationNameResolver implements RelationNameResolver {
/**
* Handles the common English regular plurals with the following rules.
*
*
If childName ends in {consonant}y, replace 'y' with "ies". For example, allergy to allergies.
*
Otherwise, append 's'. For example, monkey to monkeys; employee to employees.
*
* If the property does not exist then it will return childName unchanged.
*
* @see English_plural
*/
public String resolveChildRelationName(String parentName, Object parent, String childName,
Object child) {
boolean matchesIESRule = PLURAL_IES_PATTERN.matcher(childName).matches();
String childNamePlural = matchesIESRule ? childName.substring(0, childName.length() - 1) + "ies" : childName + "s";
MetaProperty metaProperty = InvokerHelper.getMetaClass(parent)
.hasProperty(parent, childNamePlural);
return metaProperty != null ? childNamePlural : childName;
}
/**
* Follow the most conventional pattern, returns the parentName
* unchanged.
*/
public String resolveParentRelationName(String parentName, Object parent,
String childName, Object child) {
return parentName;
}
}
/**
* Strategy for picking the correct synthetic identifier.
*/
public interface IdentifierResolver {
/**
* Returns the name of the property that will identify the node.
*
* @param nodeName the name of the node
*/
String getIdentifierFor(String nodeName);
}
/**
* Strategy for creating new instances of a class.
* Useful for plug-in calls to non-default constructors.
*/
public interface NewInstanceResolver {
/**
* Create a new instance of Class klass.
*
* @param klass the resolved class name
* @param attributes the attribute Map available for the node
*/
Object newInstance(Class klass, Map attributes) throws InstantiationException,
IllegalAccessException;
}
/**
* Strategy for picking the correct synthetic reference identifier.
*/
public interface ReferenceResolver {
/**
* Returns the name of the property that references another node.
*
* @param nodeName the name of the node
*/
String getReferenceFor(String nodeName);
}
/**
* Strategy for resolving a relationship property name.
*/
public interface RelationNameResolver {
/**
* Returns the mapping name of child -> parent
*
* @param parentName the name of the parent node
* @param parent the parent node
* @param childName the name of the child node
* @param child the child node
*/
String resolveChildRelationName(String parentName, Object parent, String childName,
Object child);
/**
* Returns the mapping name of parent -> child
*
* @param parentName the name of the parent node
* @param parent the parent node
* @param childName the name of the child node
* @param child the child node
*/
String resolveParentRelationName(String parentName, Object parent, String childName,
Object child);
}
private void resolveLazyReferences() {
if (!lazyReferencesAllowed) return;
for (NodeReference ref : lazyReferences) {
if (ref.parent == null) continue;
Object child = null;
try {
child = getProperty(ref.refId);
} catch (MissingPropertyException mpe) {
// ignore
}
if (child == null) {
throw new IllegalArgumentException("There is no valid node for reference "
+ ref.parentName + "." + ref.childName + "=" + ref.refId);
}
// set child first
childPropertySetter.setChild(ref.parent, child, ref.parentName,
relationNameResolver.resolveChildRelationName(ref.parentName,
ref.parent, ref.childName, child));
// set parent afterwards
String propertyName = relationNameResolver.resolveParentRelationName(ref.parentName,
ref.parent, ref.childName, child);
MetaProperty metaProperty = InvokerHelper.getMetaClass(child)
.hasProperty(child, propertyName);
if (metaProperty != null) {
metaProperty.setProperty(child, ref.parent);
}
}
}
private static String makeClassName(String root, String name) {
return root + "." + name.substring(0, 1).toUpperCase() + name.substring(1);
}
private static class ObjectFactory extends AbstractFactory {
public Object newInstance(FactoryBuilderSupport builder, Object name, Object value,
Map properties) throws InstantiationException, IllegalAccessException {
ObjectGraphBuilder ogbuilder = (ObjectGraphBuilder) builder;
String classname = ogbuilder.classNameResolver.resolveClassname((String) name);
Class klass = resolveClass(builder, classname, name, value, properties);
Map context = builder.getContext();
context.put(ObjectGraphBuilder.NODE_NAME, name);
context.put(ObjectGraphBuilder.NODE_CLASS, klass);
return resolveInstance(builder, name, value, klass, properties);
}
protected Class resolveClass(FactoryBuilderSupport builder, String classname, Object name, Object value,
Map properties) {
ObjectGraphBuilder ogbuilder = (ObjectGraphBuilder) builder;
Class klass = ogbuilder.resolvedClasses.get(classname);
if (klass == null) {
klass = loadClass(ogbuilder.classLoader, classname);
if (klass == null) {
klass = loadClass(ogbuilder.getClass().getClassLoader(), classname);
}
if (klass == null) {
try {
klass = Class.forName(classname);
} catch (ClassNotFoundException e) {
// ignore
}
}
if (klass == null) {
klass = loadClass(Thread.currentThread().getContextClassLoader(), classname);
}
if (klass == null) {
throw new RuntimeException(new ClassNotFoundException(classname));
}
ogbuilder.resolvedClasses.put(classname, klass);
}
return klass;
}
protected Object resolveInstance(FactoryBuilderSupport builder, Object name, Object value, Class klass,
Map properties) throws InstantiationException, IllegalAccessException {
ObjectGraphBuilder ogbuilder = (ObjectGraphBuilder) builder;
if (value != null && klass.isAssignableFrom(value.getClass())) {
return value;
}
return ogbuilder.newInstanceResolver.newInstance(klass, properties);
}
public void setChild(FactoryBuilderSupport builder, Object parent, Object child) {
if (child == null) return;
ObjectGraphBuilder ogbuilder = (ObjectGraphBuilder) builder;
if (parent != null) {
Map context = ogbuilder.getContext();
Map parentContext = ogbuilder.getParentContext();
String parentName = null;
String childName = (String) context.get(NODE_NAME);
if (parentContext != null) {
parentName = (String) parentContext.get(NODE_NAME);
}
String propertyName = ogbuilder.relationNameResolver.resolveParentRelationName(
parentName, parent, childName, child);
MetaProperty metaProperty = InvokerHelper.getMetaClass(child)
.hasProperty(child, propertyName);
if (metaProperty != null) {
metaProperty.setProperty(child, parent);
}
}
}
public void setParent(FactoryBuilderSupport builder, Object parent, Object child) {
if (child == null) return;
ObjectGraphBuilder ogbuilder = (ObjectGraphBuilder) builder;
if (parent != null) {
Map context = ogbuilder.getContext();
Map parentContext = ogbuilder.getParentContext();
String parentName = null;
String childName = (String) context.get(NODE_NAME);
if (parentContext != null) {
parentName = (String) parentContext.get(NODE_NAME);
}
ogbuilder.childPropertySetter.setChild(parent, child, parentName,
ogbuilder.relationNameResolver.resolveChildRelationName(parentName,
parent, childName, child));
}
}
protected Class loadClass(ClassLoader classLoader, String classname) {
if (classLoader == null || classname == null) {
return null;
}
try {
return classLoader.loadClass(classname);
} catch (ClassNotFoundException e) {
return null;
}
}
}
private static class ObjectBeanFactory extends ObjectFactory {
public Object newInstance(FactoryBuilderSupport builder, Object name, Object value,
Map properties) throws InstantiationException, IllegalAccessException {
if(value == null) return super.newInstance(builder, name, value, properties);
Object bean = null;
Class klass = null;
Map context = builder.getContext();
if(value instanceof String || value instanceof GString) {
/*
String classname = value.toString();
klass = resolveClass(builder, classname, name, value, properties);
bean = resolveInstance(builder, name, value, klass, properties);
*/
throw new IllegalArgumentException("ObjectGraphBuilder."+((ObjectGraphBuilder)builder).getBeanFactoryName()+"() does not accept String nor GString as value.");
} else if(value instanceof Class) {
klass = (Class) value;
bean = resolveInstance(builder, name, value, klass, properties);
} else {
klass = value.getClass();
bean = value;
}
String nodename = klass.getSimpleName();
if(nodename.length() > 1) {
nodename = nodename.substring(0, 1).toLowerCase() + nodename.substring(1);
} else {
nodename = nodename.toLowerCase();
}
context.put(ObjectGraphBuilder.NODE_NAME, nodename);
context.put(ObjectGraphBuilder.NODE_CLASS, klass);
return bean;
}
}
private static class ObjectRefFactory extends ObjectFactory {
public boolean isLeaf() {
return true;
}
public Object newInstance(FactoryBuilderSupport builder, Object name, Object value,
Map properties) throws InstantiationException, IllegalAccessException {
ObjectGraphBuilder ogbuilder = (ObjectGraphBuilder) builder;
String refProperty = ogbuilder.referenceResolver.getReferenceFor((String) name);
Object refId = properties.remove(refProperty);
Object object = null;
Boolean lazy = Boolean.FALSE;
if (refId instanceof String) {
try {
object = ogbuilder.getProperty((String) refId);
} catch (MissingPropertyException mpe) {
// ignore, will try lazy reference
}
if (object == null) {
if (ogbuilder.isLazyReferencesAllowed()) {
lazy = Boolean.TRUE;
} else {
throw new IllegalArgumentException("There is no previous node with "
+ ogbuilder.identifierResolver.getIdentifierFor((String) name) + "="
+ refId);
}
}
} else {
// assume we got a true reference to the object
object = refId;
}
if (!properties.isEmpty()) {
throw new IllegalArgumentException(
"You can not modify the properties of a referenced object.");
}
Map context = ogbuilder.getContext();
context.put(ObjectGraphBuilder.NODE_NAME, name);
context.put(ObjectGraphBuilder.LAZY_REF, lazy);
if (lazy.booleanValue()) {
Map parentContext = ogbuilder.getParentContext();
Object parent = null;
String parentName = null;
String childName = (String) name;
if (parentContext != null) {
parent = context.get(CURRENT_NODE);
parentName = (String) parentContext.get(NODE_NAME);
}
ogbuilder.lazyReferences.add(new NodeReference(parent,
parentName,
childName,
(String) refId));
} else {
context.put(ObjectGraphBuilder.NODE_CLASS, object.getClass());
}
return object;
}
public void setChild(FactoryBuilderSupport builder, Object parent, Object child) {
Boolean lazy = (Boolean) builder.getContext().get(ObjectGraphBuilder.LAZY_REF);
if (!lazy.booleanValue()) super.setChild(builder, parent, child);
}
public void setParent(FactoryBuilderSupport builder, Object parent, Object child) {
Boolean lazy = (Boolean) builder.getContext().get(ObjectGraphBuilder.LAZY_REF);
if (!lazy.booleanValue()) super.setParent(builder, parent, child);
}
}
private static final class NodeReference {
private final Object parent;
private final String parentName;
private final String childName;
private final String refId;
private NodeReference(Object parent, String parentName, String childName, String refId) {
this.parent = parent;
this.parentName = parentName;
this.childName = childName;
this.refId = refId;
}
public String toString() {
return new StringBuilder().append("[parentName=").append(parentName)
.append(", childName=").append(childName)
.append(", refId=").append(refId)
.append("]").toString();
}
}
}
