xml/dom-impl/src/com/intellij/util/xml/impl/DomAnchorImpl.java - platform/tools/idea - Git at Google

 /*
  * Copyright 2000-2014 JetBrains s.r.o.
  *
  * Licensed 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 com.intellij.util.xml.impl;

 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiAnchor;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.xml.XmlAttribute;
 import com.intellij.psi.xml.XmlElement;
 import com.intellij.psi.xml.XmlFile;
 import com.intellij.psi.xml.XmlTag;
 import com.intellij.util.xml.*;
 import com.intellij.util.xml.reflect.AbstractDomChildrenDescription;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

 import java.util.List;

 /**
  * @author peter
  */
 public abstract class DomAnchorImpl<T extends DomElement> implements DomAnchor<T> {
   private static final Logger LOG = Logger.getInstance("#com.intellij.util.xml.impl.DomAnchorImpl");

   public static <T extends DomElement> DomAnchor<T> createAnchor(@NotNull T t) {
     return createAnchor(t, true);
   }

   public static <T extends DomElement> DomAnchor<T> createAnchor(@NotNull T t, boolean usePsi) {
     DomInvocationHandler handler = DomManagerImpl.getNotNullHandler(t);
     if (handler.getStub() != null) {
       return new StubAnchor<T>(handler);
     }

     if (usePsi) {
       final XmlElement element = t.getXmlElement();
       if (element != null) {
         return new PsiBasedDomAnchor<T>(PsiAnchor.create(element), element.getProject());
       }
     }


     final DomElement parent = t.getParent();
     if (parent == null) {
       LOG.error("Parent null: " + t);
     }

     if (parent instanceof DomFileElementImpl) {
       final DomFileElementImpl fileElement = (DomFileElementImpl)parent;
       //noinspection unchecked
       return new RootAnchor<T>(fileElement.getFile(), fileElement.getRootElementClass());
     }

     final DomAnchor<DomElement> parentAnchor = createAnchor(parent);
     final String name = t.getGenericInfo().getElementName(t);
     final AbstractDomChildrenDescription description = t.getChildDescription();
     final List<? extends DomElement> values = description.getValues(parent);
     if (name != null) {
       int i = 0;
       for (DomElement value : values) {
         if (value.equals(t)) {
           return new NamedAnchor<T>(parentAnchor, description, name, i);
         }
         if (name.equals(value.getGenericInfo().getElementName(value))) {
           i++;
         }
       }
     }

     final int index = values.indexOf(t);
     if (index < 0) {
       diagnoseNegativeIndex2(t, parent, description, values);
     }
     return new IndexedAnchor<T>(parentAnchor, description, index);
   }

   private static <T extends DomElement> void diagnoseNegativeIndex2(T t,
                                                                     DomElement parent,
                                                                     AbstractDomChildrenDescription description,
                                                                     List<? extends DomElement> values) {
     final XmlTag parentTag = parent.getXmlTag();
     StringBuilder diag = new StringBuilder("Index<0: description=" + description + "\nparent=" + parent + "\nt=" + t + "\nvalues=" + values + "\n");
     for (int i = 0, size = values.size(); i < size; i++) {
       DomElement value = values.get(i);
       if (value.toString().equals(t.toString())) {
         final XmlElement tElement = t.getXmlElement();
         final XmlElement valElement = value.getXmlElement();
         diag.append(" hasSame, i=" + i +
                     "; same=" + (value == t) +
                     ", equal=" + value.equals(t) +
                     ", equal2=" + t.equals(value) +
                     ", t.physical=" + (tElement == null ? "null" : String.valueOf(tElement.isPhysical())) +
                     ", value.physical=" + (valElement == null ? "null" : String.valueOf(valElement.isPhysical())) +
                     ", sameElements=" + (tElement == value.getXmlElement()) +
                     "\n");
         if (tElement != null && valElement != null) {
           diag.append("  sameFile=" + (tElement.getContainingFile() == valElement.getContainingFile()) +
                       ", sameParent=" + (tElement.getParent() == valElement.getParent()) +
                       "\n");
         }
       }
     }

     if (parentTag != null) {
       diag.append("Parent tag: ").append(parentTag.getName()).append("\n");
       if (t instanceof GenericAttributeValue) {
         for (XmlAttribute attribute : parentTag.getAttributes()) {
           diag.append(", attr: ").append(attribute.getName());
         }
         diag.append("\n");
       } else {
         for (XmlTag tag : parentTag.getSubTags()) {
           diag.append("\n subtag: ").append(tag.getName());
         }
         diag.append("\n");
       }
     }
     diag.append("Child name: ").append(t.getXmlElementName()).append(";").append(t.getXmlElementNamespaceKey());
     LOG.error(diag);
   }


   @Override
   public PsiElement getPsiElement() {
     T t = retrieveDomElement();
     return t == null ? null : t.getXmlElement();
   }

   @Override
   @Nullable
   public abstract T retrieveDomElement();

   @Override
   @NotNull
   public abstract XmlFile getContainingFile();

   private static class NamedAnchor<T extends DomElement> extends DomAnchorImpl<T> {
     private final DomAnchor myParent;
     private final AbstractDomChildrenDescription myDescr;
     private final String myName;
     private final int myIndex;

     private NamedAnchor(final DomAnchor parent, final AbstractDomChildrenDescription descr, final String id, int index) {
       myParent = parent;
       myDescr = descr;
       myName = id;
       myIndex = index;
     }

     @Override
     public boolean equals(final Object o) {
       if (this == o) return true;
       if (!(o instanceof NamedAnchor)) return false;

       final NamedAnchor that = (NamedAnchor)o;

       if (myDescr != null ? !myDescr.equals(that.myDescr) : that.myDescr != null) return false;
       if (myName != null ? !myName.equals(that.myName) : that.myName != null) return false;
       if (myParent != null ? !myParent.equals(that.myParent) : that.myParent != null) return false;
       if (myIndex != that.myIndex) return false;

       return true;
     }

     @Override
     public int hashCode() {
       int result;
       result = (myParent != null ? myParent.hashCode() : 0);
       result = 31 * result + (myDescr != null ? myDescr.hashCode() : 0);
       result = 31 * result + (myName != null ? myName.hashCode() : 0);
       result = 31 * result + myIndex;
       return result;
     }

     @Override
     public T retrieveDomElement() {
       final DomElement parent = myParent.retrieveDomElement();
       if (parent == null) return null;

       final List<? extends DomElement> list = myDescr.getValues(parent);
       int i = 0;
       for (final DomElement element : list) {
         final String s = element.getGenericInfo().getElementName(element);
         if (myName.equals(s)) {
           if (i == myIndex) {
             //noinspection unchecked
             return (T)element;
           }
           i++;
         }
       }
       return null;
     }

     @Override
     @NotNull
     public XmlFile getContainingFile() {
       return myParent.getContainingFile();
     }
   }

   private static class IndexedAnchor<T extends DomElement> extends DomAnchorImpl<T> {
     private final DomAnchor myParent;
     private final AbstractDomChildrenDescription myDescr;
     private final int myIndex;

     private IndexedAnchor(final DomAnchor parent, final AbstractDomChildrenDescription descr, final int index) {
       myParent = parent;
       myDescr = descr;
       myIndex = index;
     }

     @Override
     public boolean equals(final Object o) {
       if (this == o) return true;
       if (!(o instanceof IndexedAnchor)) return false;

       final IndexedAnchor that = (IndexedAnchor)o;

       if (myIndex != that.myIndex) return false;
       if (myDescr != null ? !myDescr.equals(that.myDescr) : that.myDescr != null) return false;
       if (myParent != null ? !myParent.equals(that.myParent) : that.myParent != null) return false;

       return true;
     }

     @Override
     public int hashCode() {
       int result;
       result = (myParent != null ? myParent.hashCode() : 0);
       result = 31 * result + (myDescr != null ? myDescr.hashCode() : 0);
       result = 31 * result + myIndex;
       return result;
     }

     @Override
     public T retrieveDomElement() {
       final DomElement parent = myParent.retrieveDomElement();
       if (parent == null) return null;

       final List<? extends DomElement> list = myDescr.getValues(parent);
       if (myIndex < 0 || myIndex >= list.size()) return null;

       //noinspection unchecked
       return (T)list.get(myIndex);
     }

     @Override
     @NotNull
     public XmlFile getContainingFile() {
       return myParent.getContainingFile();
     }
   }

   private static class RootAnchor<T extends DomElement> extends DomAnchorImpl<T> {
     private final XmlFile myFile;
     private final Class<T> myClass;

     private RootAnchor(final XmlFile file, final Class<T> aClass) {
       myFile = file;
       myClass = aClass;
     }

     @Override
     public boolean equals(final Object o) {
       if (this == o) return true;
       if (!(o instanceof RootAnchor)) return false;

       final RootAnchor that = (RootAnchor)o;

       if (myClass != null ? !myClass.equals(that.myClass) : that.myClass != null) return false;
       if (myFile != null ? !myFile.equals(that.myFile) : that.myFile != null) return false;

       return true;
     }

     @Override
     public int hashCode() {
       int result;
       result = (myFile != null ? myFile.hashCode() : 0);
       result = 31 * result + (myClass != null ? myClass.hashCode() : 0);
       return result;
     }

     @Override
     public T retrieveDomElement() {
       final DomFileElement<T> fileElement = DomManager.getDomManager(myFile.getProject()).getFileElement(myFile, myClass);
       return fileElement == null ? null : fileElement.getRootElement();
     }

     @Override
     @NotNull
     public XmlFile getContainingFile() {
       return myFile;
     }
   }


   private static class PsiBasedDomAnchor<T extends DomElement> extends DomAnchorImpl<T> {
     private final PsiAnchor myAnchor;
     private final Project myProject;

     public PsiBasedDomAnchor(PsiAnchor anchor, Project project) {
       myAnchor = anchor;
       myProject = project;
     }

     @Override
     public T retrieveDomElement() {
       PsiElement psi = myAnchor.retrieve();
       if (psi == null) return null;

       if (psi instanceof XmlTag) {
         return (T)DomManager.getDomManager(myProject).getDomElement((XmlTag)psi);
       }
       if (psi instanceof XmlAttribute) {
         return (T)DomManager.getDomManager(myProject).getDomElement((XmlAttribute)psi);
       }
       return null;
     }

     @NotNull
     @Override
     public XmlFile getContainingFile() {
       return (XmlFile)myAnchor.getFile();
     }

     @Override
     public boolean equals(Object o) {
       if (this == o) return true;
       if (o == null || getClass() != o.getClass()) return false;

       PsiBasedDomAnchor anchor = (PsiBasedDomAnchor)o;

       if (myAnchor != null ? !myAnchor.equals(anchor.myAnchor) : anchor.myAnchor != null) return false;
       if (myProject != null ? !myProject.equals(anchor.myProject) : anchor.myProject != null) return false;

       return true;
     }


     @Override
     public int hashCode() {
       int result = myAnchor != null ? myAnchor.hashCode() : 0;
       result = 31 * result + (myProject != null ? myProject.hashCode() : 0);
       return result;
     }
   }

   private static class StubAnchor<T extends DomElement> implements DomAnchor<T> {

     private final DomInvocationHandler myHandler;

     private StubAnchor(DomInvocationHandler handler) {
       myHandler = handler;
     }

     @Nullable
     @Override
     public T retrieveDomElement() {
       return (T)myHandler.getProxy();
     }

     @NotNull
     @Override
     public XmlFile getContainingFile() {
       return myHandler.getFile();
     }

     @Nullable
     @Override
     public PsiElement getPsiElement() {
       return myHandler.getXmlElement();
     }

     @Override
     public boolean equals(Object o) {
       if (this == o) return true;
       if (o == null || getClass() != o.getClass()) return false;

       StubAnchor anchor = (StubAnchor)o;

       if (myHandler != null ? !myHandler.equals(anchor.myHandler) : anchor.myHandler != null) return false;

       return true;
     }

     @Override
     public int hashCode() {
       return myHandler != null ? myHandler.hashCode() : 0;
     }
   }
 }
	/*
	* Copyright 2000-2014 JetBrains s.r.o.
	*
	* Licensed 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 com.intellij.util.xml.impl;

	import com.intellij.openapi.diagnostic.Logger;
	import com.intellij.openapi.project.Project;
	import com.intellij.psi.PsiAnchor;
	import com.intellij.psi.PsiElement;
	import com.intellij.psi.xml.XmlAttribute;
	import com.intellij.psi.xml.XmlElement;
	import com.intellij.psi.xml.XmlFile;
	import com.intellij.psi.xml.XmlTag;
	import com.intellij.util.xml.*;
	import com.intellij.util.xml.reflect.AbstractDomChildrenDescription;
	import org.jetbrains.annotations.NotNull;
	import org.jetbrains.annotations.Nullable;

	import java.util.List;

	/**
	* @author peter
	*/
	public abstract class DomAnchorImpl<T extends DomElement> implements DomAnchor<T> {
	private static final Logger LOG = Logger.getInstance("#com.intellij.util.xml.impl.DomAnchorImpl");

	public static <T extends DomElement> DomAnchor<T> createAnchor(@NotNull T t) {
	return createAnchor(t, true);
	}

	public static <T extends DomElement> DomAnchor<T> createAnchor(@NotNull T t, boolean usePsi) {
	DomInvocationHandler handler = DomManagerImpl.getNotNullHandler(t);
	if (handler.getStub() != null) {
	return new StubAnchor<T>(handler);
	}

	if (usePsi) {
	final XmlElement element = t.getXmlElement();
	if (element != null) {
	return new PsiBasedDomAnchor<T>(PsiAnchor.create(element), element.getProject());
	}
	}


	final DomElement parent = t.getParent();
	if (parent == null) {
	LOG.error("Parent null: " + t);
	}

	if (parent instanceof DomFileElementImpl) {
	final DomFileElementImpl fileElement = (DomFileElementImpl)parent;
	//noinspection unchecked
	return new RootAnchor<T>(fileElement.getFile(), fileElement.getRootElementClass());
	}

	final DomAnchor<DomElement> parentAnchor = createAnchor(parent);
	final String name = t.getGenericInfo().getElementName(t);
	final AbstractDomChildrenDescription description = t.getChildDescription();
	final List<? extends DomElement> values = description.getValues(parent);
	if (name != null) {
	int i = 0;
	for (DomElement value : values) {
	if (value.equals(t)) {
	return new NamedAnchor<T>(parentAnchor, description, name, i);
	}
	if (name.equals(value.getGenericInfo().getElementName(value))) {
	i++;
	}
	}
	}

	final int index = values.indexOf(t);
	if (index < 0) {
	diagnoseNegativeIndex2(t, parent, description, values);
	}
	return new IndexedAnchor<T>(parentAnchor, description, index);
	}

	private static <T extends DomElement> void diagnoseNegativeIndex2(T t,
	DomElement parent,
	AbstractDomChildrenDescription description,
	List<? extends DomElement> values) {
	final XmlTag parentTag = parent.getXmlTag();
	StringBuilder diag = new StringBuilder("Index<0: description=" + description + "\nparent=" + parent + "\nt=" + t + "\nvalues=" + values + "\n");
	for (int i = 0, size = values.size(); i < size; i++) {
	DomElement value = values.get(i);
	if (value.toString().equals(t.toString())) {
	final XmlElement tElement = t.getXmlElement();
	final XmlElement valElement = value.getXmlElement();
	diag.append(" hasSame, i=" + i +
	"; same=" + (value == t) +
	", equal=" + value.equals(t) +
	", equal2=" + t.equals(value) +
	", t.physical=" + (tElement == null ? "null" : String.valueOf(tElement.isPhysical())) +
	", value.physical=" + (valElement == null ? "null" : String.valueOf(valElement.isPhysical())) +
	", sameElements=" + (tElement == value.getXmlElement()) +
	"\n");
	if (tElement != null && valElement != null) {
	diag.append(" sameFile=" + (tElement.getContainingFile() == valElement.getContainingFile()) +
	", sameParent=" + (tElement.getParent() == valElement.getParent()) +
	"\n");
	}
	}
	}

	if (parentTag != null) {
	diag.append("Parent tag: ").append(parentTag.getName()).append("\n");
	if (t instanceof GenericAttributeValue) {
	for (XmlAttribute attribute : parentTag.getAttributes()) {
	diag.append(", attr: ").append(attribute.getName());
	}
	diag.append("\n");
	} else {
	for (XmlTag tag : parentTag.getSubTags()) {
	diag.append("\n subtag: ").append(tag.getName());
	}
	diag.append("\n");
	}
	}
	diag.append("Child name: ").append(t.getXmlElementName()).append(";").append(t.getXmlElementNamespaceKey());
	LOG.error(diag);
	}


	@Override
	public PsiElement getPsiElement() {
	T t = retrieveDomElement();
	return t == null ? null : t.getXmlElement();
	}

	@Override
	@Nullable
	public abstract T retrieveDomElement();

	@Override
	@NotNull
	public abstract XmlFile getContainingFile();

	private static class NamedAnchor<T extends DomElement> extends DomAnchorImpl<T> {
	private final DomAnchor myParent;
	private final AbstractDomChildrenDescription myDescr;
	private final String myName;
	private final int myIndex;

	private NamedAnchor(final DomAnchor parent, final AbstractDomChildrenDescription descr, final String id, int index) {
	myParent = parent;
	myDescr = descr;
	myName = id;
	myIndex = index;
	}

	@Override
	public boolean equals(final Object o) {
	if (this == o) return true;
	if (!(o instanceof NamedAnchor)) return false;

	final NamedAnchor that = (NamedAnchor)o;

	if (myDescr != null ? !myDescr.equals(that.myDescr) : that.myDescr != null) return false;
	if (myName != null ? !myName.equals(that.myName) : that.myName != null) return false;
	if (myParent != null ? !myParent.equals(that.myParent) : that.myParent != null) return false;
	if (myIndex != that.myIndex) return false;

	return true;
	}

	@Override
	public int hashCode() {
	int result;
	result = (myParent != null ? myParent.hashCode() : 0);
	result = 31 * result + (myDescr != null ? myDescr.hashCode() : 0);
	result = 31 * result + (myName != null ? myName.hashCode() : 0);
	result = 31 * result + myIndex;
	return result;
	}

	@Override
	public T retrieveDomElement() {
	final DomElement parent = myParent.retrieveDomElement();
	if (parent == null) return null;

	final List<? extends DomElement> list = myDescr.getValues(parent);
	int i = 0;
	for (final DomElement element : list) {
	final String s = element.getGenericInfo().getElementName(element);
	if (myName.equals(s)) {
	if (i == myIndex) {
	//noinspection unchecked
	return (T)element;
	}
	i++;
	}
	}
	return null;
	}

	@Override
	@NotNull
	public XmlFile getContainingFile() {
	return myParent.getContainingFile();
	}
	}

	private static class IndexedAnchor<T extends DomElement> extends DomAnchorImpl<T> {
	private final DomAnchor myParent;
	private final AbstractDomChildrenDescription myDescr;
	private final int myIndex;

	private IndexedAnchor(final DomAnchor parent, final AbstractDomChildrenDescription descr, final int index) {
	myParent = parent;
	myDescr = descr;
	myIndex = index;
	}

	@Override
	public boolean equals(final Object o) {
	if (this == o) return true;
	if (!(o instanceof IndexedAnchor)) return false;

	final IndexedAnchor that = (IndexedAnchor)o;

	if (myIndex != that.myIndex) return false;
	if (myDescr != null ? !myDescr.equals(that.myDescr) : that.myDescr != null) return false;
	if (myParent != null ? !myParent.equals(that.myParent) : that.myParent != null) return false;

	return true;
	}

	@Override
	public int hashCode() {
	int result;
	result = (myParent != null ? myParent.hashCode() : 0);
	result = 31 * result + (myDescr != null ? myDescr.hashCode() : 0);
	result = 31 * result + myIndex;
	return result;
	}

	@Override
	public T retrieveDomElement() {
	final DomElement parent = myParent.retrieveDomElement();
	if (parent == null) return null;

	final List<? extends DomElement> list = myDescr.getValues(parent);
	if (myIndex < 0 \|\| myIndex >= list.size()) return null;

	//noinspection unchecked
	return (T)list.get(myIndex);
	}

	@Override
	@NotNull
	public XmlFile getContainingFile() {
	return myParent.getContainingFile();
	}
	}

	private static class RootAnchor<T extends DomElement> extends DomAnchorImpl<T> {
	private final XmlFile myFile;
	private final Class<T> myClass;

	private RootAnchor(final XmlFile file, final Class<T> aClass) {
	myFile = file;
	myClass = aClass;
	}

	@Override
	public boolean equals(final Object o) {
	if (this == o) return true;
	if (!(o instanceof RootAnchor)) return false;

	final RootAnchor that = (RootAnchor)o;

	if (myClass != null ? !myClass.equals(that.myClass) : that.myClass != null) return false;
	if (myFile != null ? !myFile.equals(that.myFile) : that.myFile != null) return false;

	return true;
	}

	@Override
	public int hashCode() {
	int result;
	result = (myFile != null ? myFile.hashCode() : 0);
	result = 31 * result + (myClass != null ? myClass.hashCode() : 0);
	return result;
	}

	@Override
	public T retrieveDomElement() {
	final DomFileElement<T> fileElement = DomManager.getDomManager(myFile.getProject()).getFileElement(myFile, myClass);
	return fileElement == null ? null : fileElement.getRootElement();
	}

	@Override
	@NotNull
	public XmlFile getContainingFile() {
	return myFile;
	}
	}


	private static class PsiBasedDomAnchor<T extends DomElement> extends DomAnchorImpl<T> {
	private final PsiAnchor myAnchor;
	private final Project myProject;

	public PsiBasedDomAnchor(PsiAnchor anchor, Project project) {
	myAnchor = anchor;
	myProject = project;
	}

	@Override
	public T retrieveDomElement() {
	PsiElement psi = myAnchor.retrieve();
	if (psi == null) return null;

	if (psi instanceof XmlTag) {
	return (T)DomManager.getDomManager(myProject).getDomElement((XmlTag)psi);
	}
	if (psi instanceof XmlAttribute) {
	return (T)DomManager.getDomManager(myProject).getDomElement((XmlAttribute)psi);
	}
	return null;
	}

	@NotNull
	@Override
	public XmlFile getContainingFile() {
	return (XmlFile)myAnchor.getFile();
	}

	@Override
	public boolean equals(Object o) {
	if (this == o) return true;
	if (o == null \|\| getClass() != o.getClass()) return false;

	PsiBasedDomAnchor anchor = (PsiBasedDomAnchor)o;

	if (myAnchor != null ? !myAnchor.equals(anchor.myAnchor) : anchor.myAnchor != null) return false;
	if (myProject != null ? !myProject.equals(anchor.myProject) : anchor.myProject != null) return false;

	return true;
	}


	@Override
	public int hashCode() {
	int result = myAnchor != null ? myAnchor.hashCode() : 0;
	result = 31 * result + (myProject != null ? myProject.hashCode() : 0);
	return result;
	}
	}

	private static class StubAnchor<T extends DomElement> implements DomAnchor<T> {

	private final DomInvocationHandler myHandler;

	private StubAnchor(DomInvocationHandler handler) {
	myHandler = handler;
	}

	@Nullable
	@Override
	public T retrieveDomElement() {
	return (T)myHandler.getProxy();
	}

	@NotNull
	@Override
	public XmlFile getContainingFile() {
	return myHandler.getFile();
	}

	@Nullable
	@Override
	public PsiElement getPsiElement() {
	return myHandler.getXmlElement();
	}

	@Override
	public boolean equals(Object o) {
	if (this == o) return true;
	if (o == null \|\| getClass() != o.getClass()) return false;

	StubAnchor anchor = (StubAnchor)o;

	if (myHandler != null ? !myHandler.equals(anchor.myHandler) : anchor.myHandler != null) return false;

	return true;
	}

	@Override
	public int hashCode() {
	return myHandler != null ? myHandler.hashCode() : 0;
	}
	}
	}