org.eclipse.emf.ecore.util

Class EcoreUtil.ExternalCrossReferencer

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<EObject,java.util.Collection<EStructuralFeature.Setting>>

org.eclipse.emf.ecore.util.EcoreUtil.CrossReferencer

org.eclipse.emf.ecore.util.EcoreUtil.ExternalCrossReferencer

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.Map<EObject,java.util.Collection<EStructuralFeature.Setting>>

Enclosing class:

EcoreUtil

public static class EcoreUtil.ExternalCrossReferencer
extends EcoreUtil.CrossReferencer

A cross referencer that finds all references that are not contained within the content trees.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

java.util.AbstractMap.SimpleEntry<K,V>, java.util.AbstractMap.SimpleImmutableEntry<K,V>

Nested classes/interfaces inherited from interface java.util.Map

java.util.Map.Entry<K,V>

Field Summary

Fields inherited from class org.eclipse.emf.ecore.util.EcoreUtil.CrossReferencer

emfObjects

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ExternalCrossReferencer(java.util.Collection<?> emfObjects) Creates an instance for the given collection of objects.
protected	ExternalCrossReferencer(EObject eObject) Creates an instance for the given object.
protected	ExternalCrossReferencer(Resource resource) Creates an instance for the given resource.
protected	ExternalCrossReferencer(ResourceSet resourceSet) Creates an instance for the given resource set.

Method Summary

Modifier and Type	Method and Description
protected boolean	crossReference(EObject eObject, EReference eReference, EObject crossReferencedEObject) Return true if the specified eReference from eObject to crossReferencedEObject should be considered a cross reference by this cross referencer.
static java.util.Map<EObject,java.util.Collection<EStructuralFeature.Setting>>	find(java.util.Collection<?> emfObjectsToSearch) Returns a map of all external cross references from the combined content trees of the specified collection of objects.
static java.util.Map<EObject,java.util.Collection<EStructuralFeature.Setting>>	find(EObject eObject) Returns a map of all external cross references from the specified content tree.
static java.util.Map<EObject,java.util.Collection<EStructuralFeature.Setting>>	find(Resource resource) Returns a map of all external cross references from the specified content tree.
static java.util.Map<EObject,java.util.Collection<EStructuralFeature.Setting>>	find(ResourceSet resourceSet) Returns a map of all external cross references from the specified content tree.
protected java.util.Map<EObject,java.util.Collection<EStructuralFeature.Setting>>	findExternalCrossReferences() Returns the map of external cross references for this cross referencer.

Methods inherited from class org.eclipse.emf.ecore.util.EcoreUtil.CrossReferencer

add, containment, crossReference, done, getCollection, getCrossReferences, handleCrossReference, newCollection, newContentsIterator, print, print, resolve, toString

Methods inherited from class java.util.HashMap

clear, clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

ExternalCrossReferencer

protected ExternalCrossReferencer(java.util.Collection<?> emfObjects)

Creates an instance for the given collection of objects.

Parameters:

emfObjects - the collection of objects to cross reference.

ExternalCrossReferencer

protected ExternalCrossReferencer(EObject eObject)

Creates an instance for the given object.

Parameters:

eObject - the object to cross reference.

ExternalCrossReferencer

protected ExternalCrossReferencer(Resource resource)

Creates an instance for the given resource.

Parameters:

resource - the resource to cross reference.

ExternalCrossReferencer

protected ExternalCrossReferencer(ResourceSet resourceSet)

Creates an instance for the given resource set.

Parameters:

resourceSet - the resource set to cross reference.

Method Detail

crossReference

protected boolean crossReference(EObject eObject,
                                 EReference eReference,
                                 EObject crossReferencedEObject)

Return true if the specified eReference from eObject to crossReferencedEObject should be considered a cross reference by this cross referencer.

Overrides:

crossReference in class EcoreUtil.CrossReferencer

Parameters:

eObject - an object in the cross referencer's content tree.

eReference - a reference from the object.

crossReferencedEObject - the target of the specified reference.

Returns:

if the cross referencer should consider the specified reference a cross reference.

findExternalCrossReferences

protected java.util.Map<EObject,java.util.Collection<EStructuralFeature.Setting>> findExternalCrossReferences()

Returns the map of external cross references for this cross referencer.

Returns:

a map of cross references.

find

public static java.util.Map<EObject,java.util.Collection<EStructuralFeature.Setting>> find(EObject eObject)

Returns a map of all external cross references from the specified content tree.

Parameters:

eObject - an object whose content trees should be considered.

Returns:

a map of cross references.

find

public static java.util.Map<EObject,java.util.Collection<EStructuralFeature.Setting>> find(Resource resource)

Returns a map of all external cross references from the specified content tree.

Parameters:

resource - a resource whose content tree should be considered.

Returns:

a map of cross references.

find

public static java.util.Map<EObject,java.util.Collection<EStructuralFeature.Setting>> find(ResourceSet resourceSet)

Returns a map of all external cross references from the specified content tree.

Parameters:

resourceSet - a resourceSet whose content tree should be considered.

Returns:

a map of cross references.

find

public static java.util.Map<EObject,java.util.Collection<EStructuralFeature.Setting>> find(java.util.Collection<?> emfObjectsToSearch)

Returns a map of all external cross references from the combined content trees of the specified collection of objects.

Parameters:

emfObjectsToSearch - a collection of objects whose combined content trees should be considered.

Returns:

a map of cross references.