Allow getChildNodes() to become a Collection

Preparatory patch for yangtools change -- getChildNodes() will start
returning a Collection, not a Set.

Change-Id: Ie7255757e3f48465e3acd9e65764f1b79a3a9511
Signed-off-by: Robert Varga <rovarga@cisco.com>

diff --git a/opendaylight/config/yang-jmx-generator/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/ModuleMXBeanEntryBuilder.java b/opendaylight/config/yang-jmx-generator/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/ModuleMXBeanEntryBuilder.java
index d8c5a56fb7a7561de457894180ad1a1b418b7f57..518a11540e6c1ea33ebd3cf70909ad35b9874024 100644 (file)
--- a/opendaylight/config/yang-jmx-generator/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/ModuleMXBeanEntryBuilder.java
+++ b/opendaylight/config/yang-jmx-generator/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/ModuleMXBeanEntryBuilder.java
@@ -130,7 +130,7 @@ final class ModuleMXBeanEntryBuilder {
         Map<String, ModuleMXBeanEntry> result = new HashMap<>();
 
         for (AugmentationSchema augmentation : currentModule.getAugmentations()) {
-            Set<DataSchemaNode> childNodes = augmentation.getChildNodes();
+            Collection<DataSchemaNode> childNodes = augmentation.getChildNodes();
             if (areAllChildrenChoiceCaseNodes(childNodes)) {
                 for (ChoiceCaseNode childCase : castChildNodesToChoiceCases(childNodes)) {
                     // TODO refactor, extract to standalone builder class
@@ -215,7 +215,7 @@ final class ModuleMXBeanEntryBuilder {
         return moduleIdentities;
     }
 
-    private Collection<ChoiceCaseNode> castChildNodesToChoiceCases(final Set<DataSchemaNode> childNodes) {
+    private Collection<ChoiceCaseNode> castChildNodesToChoiceCases(final Collection<DataSchemaNode> childNodes) {
         return Collections2.transform(childNodes, new Function<DataSchemaNode, ChoiceCaseNode>() {
             @Nullable
             @Override
@@ -225,7 +225,7 @@ final class ModuleMXBeanEntryBuilder {
         });
     }
 
-    private boolean areAllChildrenChoiceCaseNodes(final Set<DataSchemaNode> childNodes) {
+    private boolean areAllChildrenChoiceCaseNodes(final Iterable<DataSchemaNode> childNodes) {
         for (DataSchemaNode childNode : childNodes) {
             if (childNode instanceof ChoiceCaseNode == false) {
                 return false;
@@ -388,7 +388,7 @@ final class ModuleMXBeanEntryBuilder {
      * @return either choiceCaseNode or its only child container
      */
     private <HAS_CHILDREN_AND_QNAME extends DataNodeContainer & SchemaNode> HAS_CHILDREN_AND_QNAME getDataNodeContainer(final ChoiceCaseNode choiceCaseNode) {
-        Set<DataSchemaNode> childNodes = choiceCaseNode.getChildNodes();
+        Collection<DataSchemaNode> childNodes = choiceCaseNode.getChildNodes();
         if (childNodes.size() == 1) {
             DataSchemaNode onlyChild = childNodes.iterator().next();
             if (onlyChild instanceof ContainerSchemaNode) {
@@ -406,8 +406,7 @@ final class ModuleMXBeanEntryBuilder {
             final TypeProviderWrapper typeProviderWrapper, final Map<QName, ServiceInterfaceEntry> qNamesToSIEs,
             final SchemaContext schemaContext, final String packageName) {
         Map<String, AttributeIfc> yangToAttributes = new HashMap<>();
-        Set<DataSchemaNode> childNodes = dataNodeContainer.getChildNodes();
-        for (DataSchemaNode attrNode : childNodes) {
+        for (DataSchemaNode attrNode : dataNodeContainer.getChildNodes()) {
             AttributeIfc attributeValue = getAttributeValue(attrNode, currentModule, qNamesToSIEs, typeProviderWrapper,
                     schemaContext, packageName);
             yangToAttributes.put(attributeValue.getAttributeYangName(), attributeValue);

diff --git a/opendaylight/config/yang-jmx-generator/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/RuntimeBeanEntry.java b/opendaylight/config/yang-jmx-generator/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/RuntimeBeanEntry.java
index 23b071c817022ac0103f7cc01c4cc5f5482ba995..67f624175b00aacff88369aa8fce5fe00ce5a961 100644 (file)
--- a/opendaylight/config/yang-jmx-generator/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/RuntimeBeanEntry.java
+++ b/opendaylight/config/yang-jmx-generator/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/RuntimeBeanEntry.java
@@ -332,7 +332,7 @@ public class RuntimeBeanEntry {
         }
     }
 
-    private static Collection<DataSchemaNode> sortAttributes(final Set<DataSchemaNode> childNodes) {
+    private static Collection<DataSchemaNode> sortAttributes(final Collection<DataSchemaNode> childNodes) {
         final TreeSet<DataSchemaNode> dataSchemaNodes = new TreeSet<>(new Comparator<DataSchemaNode>() {
             @Override
             public int compare(final DataSchemaNode o1, final DataSchemaNode o2) {

diff --git a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingToNormalizedNodeCodec.java b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingToNormalizedNodeCodec.java
index f8c1cf6b99f4dfd7664251db168b0f59eddce557..b4b9e314bee385fcd5b092b937edb2c9a1e0b86a 100644 (file)
--- a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingToNormalizedNodeCodec.java
+++ b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingToNormalizedNodeCodec.java
@@ -9,6 +9,7 @@ package org.opendaylight.controller.md.sal.binding.impl;
 
 import java.lang.reflect.Method;
 import java.util.AbstractMap.SimpleEntry;
+import java.util.Collection;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Map.Entry;
@@ -406,9 +407,8 @@ public class BindingToNormalizedNodeCodec implements SchemaContextListener {
         return Iterables.filter(augmentations, new Predicate<AugmentationSchema>() {
             @Override
             public boolean apply(final AugmentationSchema schema) {
-                final Set<DataSchemaNode> childNodes = schema.getChildNodes();
-                return !schema.getChildNodes().isEmpty()
-                        && module.equals(Iterables.get(childNodes, 0).getQName().getModule());
+                final Collection<DataSchemaNode> childNodes = schema.getChildNodes();
+                return !childNodes.isEmpty() && module.equals(Iterables.get(childNodes, 0).getQName().getModule());
             }
         });
     }

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/util/YangSchemaUtils.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/util/YangSchemaUtils.java
index 29392dc7b3e91e6c6dbe202cbe1b4e4292cce17d..cd1a792d677cd7e4cbaead37b652cd2e8d9a4f21 100644 (file)
--- a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/util/YangSchemaUtils.java
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/util/YangSchemaUtils.java
@@ -92,8 +92,7 @@ public final class YangSchemaUtils {
     }
 
     private static DataSchemaNode searchInChoices(final DataNodeContainer node, final QName arg) {
-        Set<DataSchemaNode> children = node.getChildNodes();
-        for (DataSchemaNode child : children) {
+        for (DataSchemaNode child : node.getChildNodes()) {
             if (child instanceof ChoiceNode) {
                 ChoiceNode choiceNode = (ChoiceNode) child;
                 DataSchemaNode potential = searchInCases(choiceNode, arg);

diff --git a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/util/NodeContainerProxy.java b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/util/NodeContainerProxy.java
index bd075d0606b08f3f94982e32d18ecdb468b9830a..1896e69f325aee65946e264499b1022c2e696f9e 100644 (file)
--- a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/util/NodeContainerProxy.java
+++ b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/util/NodeContainerProxy.java
@@ -10,6 +10,7 @@ package org.opendaylight.controller.sal.connect.netconf.util;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
@@ -36,11 +37,11 @@ class NodeContainerProxy implements ContainerSchemaNode {
         this.qName = Preconditions.checkNotNull(qName, "qName");
     }
 
-    public NodeContainerProxy(final QName qName, final Set<DataSchemaNode> childNodes) {
+    public NodeContainerProxy(final QName qName, final Collection<DataSchemaNode> childNodes) {
         this(qName, asMap(childNodes));
     }
 
-    private static Map<QName, DataSchemaNode> asMap(final Set<DataSchemaNode> childNodes) {
+    private static Map<QName, DataSchemaNode> asMap(final Collection<DataSchemaNode> childNodes) {
         final Map<QName, DataSchemaNode> mapped = Maps.newHashMap();
         for (final DataSchemaNode childNode : childNodes) {
             mapped.put(childNode.getQName(), childNode);

diff --git a/opendaylight/md-sal/sal-protocolbuffer-encoding/src/main/java/org/opendaylight/controller/cluster/datastore/util/EncoderDecoderUtil.java b/opendaylight/md-sal/sal-protocolbuffer-encoding/src/main/java/org/opendaylight/controller/cluster/datastore/util/EncoderDecoderUtil.java
index 41eb2e6f925551770f0278d93ab3694ab6dc5884..8e0e85cabbba31f53c43a7a6b28f6cb83e9c7501 100644 (file)
--- a/opendaylight/md-sal/sal-protocolbuffer-encoding/src/main/java/org/opendaylight/controller/cluster/datastore/util/EncoderDecoderUtil.java
+++ b/opendaylight/md-sal/sal-protocolbuffer-encoding/src/main/java/org/opendaylight/controller/cluster/datastore/util/EncoderDecoderUtil.java
@@ -31,7 +31,6 @@ import java.io.ByteArrayInputStream;
 import java.io.StringWriter;
 import java.util.Collections;
 import java.util.List;
-import java.util.Set;
 
 /*
  * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
@@ -57,7 +56,7 @@ public class EncoderDecoderUtil {
     factory.setIgnoringComments(true);
   }
 
-  private static DataSchemaNode findChildNode(Set<DataSchemaNode> children,
+  private static DataSchemaNode findChildNode(Iterable<DataSchemaNode> children,
       String name) {
     List<DataNodeContainer> containers = Lists.newArrayList();
 

diff --git a/opendaylight/md-sal/sal-protocolbuffer-encoding/src/test/java/org/opendaylight/controller/cluster/datastore/util/NormalizedNodeXmlConverterTest.java b/opendaylight/md-sal/sal-protocolbuffer-encoding/src/test/java/org/opendaylight/controller/cluster/datastore/util/NormalizedNodeXmlConverterTest.java
index 28e358a06acb99a8c05d54b208fd476d826164f3..8d609823a71e11c69fe11a67d184cd4e276f1eb5 100644 (file)
--- a/opendaylight/md-sal/sal-protocolbuffer-encoding/src/test/java/org/opendaylight/controller/cluster/datastore/util/NormalizedNodeXmlConverterTest.java
+++ b/opendaylight/md-sal/sal-protocolbuffer-encoding/src/test/java/org/opendaylight/controller/cluster/datastore/util/NormalizedNodeXmlConverterTest.java
@@ -113,7 +113,7 @@ public class NormalizedNodeXmlConverterTest {
         + childNodeName);
   }
 
-  static DataSchemaNode findChildNode(final Set<DataSchemaNode> children, final String name) {
+  static DataSchemaNode findChildNode(final Iterable<DataSchemaNode> children, final String name) {
     List<DataNodeContainer> containers = Lists.newArrayList();
 
     for (DataSchemaNode dataSchemaNode : children) {

diff --git a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/JsonMapper.java b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/JsonMapper.java
index 4b4cef9f70873b2c34858de93e529d91d0ea7a5e..cd2d91559b5a2c022a4a09194e9cece23cfdd4f6 100644 (file)
--- a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/JsonMapper.java
+++ b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/JsonMapper.java
@@ -13,6 +13,7 @@ import com.google.common.base.Preconditions;
 import com.google.gson.stream.JsonWriter;
 import java.io.IOException;
 import java.net.URI;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
@@ -83,7 +84,7 @@ class JsonMapper {
 
         final Set<QName> foundLists = new HashSet<>();
 
-        Set<DataSchemaNode> parentSchemaChildNodes = parentSchema == null ? Collections.<DataSchemaNode> emptySet()
+        Collection<DataSchemaNode> parentSchemaChildNodes = parentSchema == null ? Collections.<DataSchemaNode> emptySet()
                 : parentSchema.getChildNodes();
 
         for (Node<?> child : parent.getValue()) {
@@ -170,7 +171,7 @@ class JsonMapper {
         }
     }
 
-    private static DataSchemaNode findFirstSchemaForNode(final Node<?> node, final Set<DataSchemaNode> dataSchemaNode) {
+    private static DataSchemaNode findFirstSchemaForNode(final Node<?> node, final Iterable<DataSchemaNode> dataSchemaNode) {
         for (DataSchemaNode dsn : dataSchemaNode) {
             if (node.getNodeType().equals(dsn.getQName())) {
                 return dsn;

diff --git a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/restconf/impl/ControllerContext.java b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/restconf/impl/ControllerContext.java
index 29672f39d47c4222b297972be5b1dbeef3f1d6fe..ebf0fd896a4089220e0125fa66753ca229ec9576 100644 (file)
--- a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/restconf/impl/ControllerContext.java
+++ b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/restconf/impl/ControllerContext.java
@@ -18,6 +18,7 @@ import com.google.common.collect.BiMap;
 import com.google.common.collect.FluentIterable;
 import com.google.common.collect.HashBiMap;
 import com.google.common.collect.Iterables;
+
 import java.io.UnsupportedEncodingException;
 import java.net.URI;
 import java.net.URLDecoder;
@@ -31,7 +32,9 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
+
 import javax.ws.rs.core.Response.Status;
+
 import org.opendaylight.controller.sal.core.api.mount.MountInstance;
 import org.opendaylight.controller.sal.core.api.mount.MountService;
 import org.opendaylight.controller.sal.rest.api.Draft02;
@@ -721,8 +724,6 @@ public class ControllerContext implements SchemaContextListener {
     private void collectInstanceDataNodeContainers(final List<DataSchemaNode> potentialSchemaNodes,
             final DataNodeContainer container, final String name) {
 
-        Set<DataSchemaNode> childNodes = container.getChildNodes();
-
         Predicate<DataSchemaNode> filter = new Predicate<DataSchemaNode>() {
             @Override
             public boolean apply(final DataSchemaNode node) {
@@ -730,7 +731,7 @@ public class ControllerContext implements SchemaContextListener {
             }
         };
 
-        Iterable<DataSchemaNode> nodes = Iterables.filter(childNodes, filter);
+        Iterable<DataSchemaNode> nodes = Iterables.filter(container.getChildNodes(), filter);
 
         // Can't combine this loop with the filter above because the filter is
         // lazily-applied by Iterables.filter.

diff --git a/opendaylight/md-sal/sal-rest-docgen/src/main/java/org/opendaylight/controller/sal/rest/doc/impl/BaseYangSwaggerGenerator.java b/opendaylight/md-sal/sal-rest-docgen/src/main/java/org/opendaylight/controller/sal/rest/doc/impl/BaseYangSwaggerGenerator.java
index 68d31de8da35688737e927689d5f55a9085de2e9..5ba8b26bc1eb6bb69ac0d5e3564dbbfe5f8c27cf 100644 (file)
--- a/opendaylight/md-sal/sal-rest-docgen/src/main/java/org/opendaylight/controller/sal/rest/doc/impl/BaseYangSwaggerGenerator.java
+++ b/opendaylight/md-sal/sal-rest-docgen/src/main/java/org/opendaylight/controller/sal/rest/doc/impl/BaseYangSwaggerGenerator.java
@@ -14,6 +14,7 @@ import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.Date;
@@ -161,7 +162,7 @@ public class BaseYangSwaggerGenerator {
 
         List<Api> apis = new ArrayList<Api>();
 
-        Set<DataSchemaNode> dataSchemaNodes = m.getChildNodes();
+        Collection<DataSchemaNode> dataSchemaNodes = m.getChildNodes();
         _logger.debug("child nodes size [{}]", dataSchemaNodes.size());
         for (DataSchemaNode node : dataSchemaNodes) {
             if ((node instanceof ListSchemaNode) || (node instanceof ContainerSchemaNode)) {
@@ -240,9 +241,8 @@ public class BaseYangSwaggerGenerator {
         apis.add(api);
         if ((node instanceof ListSchemaNode) || (node instanceof ContainerSchemaNode)) {
             DataNodeContainer schemaNode = (DataNodeContainer) node;
-            Set<DataSchemaNode> dataSchemaNodes = schemaNode.getChildNodes();
 
-            for (DataSchemaNode childNode : dataSchemaNodes) {
+            for (DataSchemaNode childNode : schemaNode.getChildNodes()) {
                 // We don't support going to leaf nodes today. Only lists and
                 // containers.
                 if (childNode instanceof ListSchemaNode || childNode instanceof ContainerSchemaNode) {

diff --git a/opendaylight/md-sal/sal-rest-docgen/src/main/java/org/opendaylight/controller/sal/rest/doc/impl/ModelGenerator.java b/opendaylight/md-sal/sal-rest-docgen/src/main/java/org/opendaylight/controller/sal/rest/doc/impl/ModelGenerator.java
index 8bac0d211e71cb2d88969c72d9b3f21a9fb00919..95bb1a094371db4f17d38c310c0043b07006c5c3 100644 (file)
--- a/opendaylight/md-sal/sal-rest-docgen/src/main/java/org/opendaylight/controller/sal/rest/doc/impl/ModelGenerator.java
+++ b/opendaylight/md-sal/sal-rest-docgen/src/main/java/org/opendaylight/controller/sal/rest/doc/impl/ModelGenerator.java
@@ -126,9 +126,8 @@ public class ModelGenerator {
             JSONException {
 
         String moduleName = module.getName();
-        Set<DataSchemaNode> childNodes = module.getChildNodes();
 
-        for (DataSchemaNode childNode : childNodes) {
+        for (DataSchemaNode childNode : module.getChildNodes()) {
             JSONObject configModuleJSON = null;
             JSONObject operationalModuleJSON = null;
 
@@ -271,13 +270,12 @@ public class ModelGenerator {
         String containerDescription = container.getDescription();
         moduleJSON.put(DESCRIPTION_KEY, containerDescription);
 
-        Set<DataSchemaNode> containerChildren = container.getChildNodes();
-        JSONObject properties = processChildren(containerChildren, moduleName, models, isConfig);
+        JSONObject properties = processChildren(container.getChildNodes(), moduleName, models, isConfig);
         moduleJSON.put(PROPERTIES_KEY, properties);
         return moduleJSON;
     }
 
-    private JSONObject processChildren(Set<DataSchemaNode> nodes, String moduleName,
+    private JSONObject processChildren(Iterable<DataSchemaNode> nodes, String moduleName,
             JSONObject models) throws JSONException, IOException {
         return processChildren(nodes, moduleName, models, null);
     }
@@ -292,7 +290,7 @@ public class ModelGenerator {
      * @throws JSONException
      * @throws IOException
      */
-    private JSONObject processChildren(Set<DataSchemaNode> nodes, String moduleName,
+    private JSONObject processChildren(Iterable<DataSchemaNode> nodes, String moduleName,
             JSONObject models, Boolean isConfig) throws JSONException, IOException {
 
         JSONObject properties = new JSONObject();
@@ -418,11 +416,10 @@ public class ModelGenerator {
     private JSONObject processListSchemaNode(ListSchemaNode listNode, String moduleName,
             JSONObject models, Boolean isConfig) throws JSONException, IOException {
 
-        Set<DataSchemaNode> listChildren = listNode.getChildNodes();
         String fileName = (BooleanUtils.isNotFalse(isConfig)?OperationBuilder.CONFIG:OperationBuilder.OPERATIONAL) +
                                                                 listNode.getQName().getLocalName();
 
-        JSONObject childSchemaProperties = processChildren(listChildren, moduleName, models);
+        JSONObject childSchemaProperties = processChildren(listNode.getChildNodes(), moduleName, models);
         JSONObject childSchema = getSchemaTemplate();
         childSchema.put(TYPE_KEY, OBJECT_TYPE);
         childSchema.put(PROPERTIES_KEY, childSchemaProperties);

diff --git a/opendaylight/netconf/netconf-cli/src/main/java/org/opendaylight/controller/netconf/cli/commands/output/OutputDefinition.java b/opendaylight/netconf/netconf-cli/src/main/java/org/opendaylight/controller/netconf/cli/commands/output/OutputDefinition.java
index 66d0d4da4673e16650bea4e6a46b864847b160e6..42afb160a8a8ea5efb8811427256c70ae2c4b023 100644 (file)
--- a/opendaylight/netconf/netconf-cli/src/main/java/org/opendaylight/controller/netconf/cli/commands/output/OutputDefinition.java
+++ b/opendaylight/netconf/netconf-cli/src/main/java/org/opendaylight/controller/netconf/cli/commands/output/OutputDefinition.java
@@ -10,7 +10,6 @@ package org.opendaylight.controller.netconf.cli.commands.output;
 import com.google.common.base.Preconditions;
 import java.util.Collections;
 import java.util.Iterator;
-import java.util.Set;
 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
 
@@ -20,9 +19,9 @@ import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
 public class OutputDefinition implements Iterable<DataSchemaNode> {
 
     public static final OutputDefinition EMPTY_OUTPUT = new OutputDefinition(Collections.<DataSchemaNode>emptySet());
-    private final Set<DataSchemaNode> childNodes;
+    private final Iterable<DataSchemaNode> childNodes;
 
-    public OutputDefinition(final Set<DataSchemaNode> childNodes) {
+    public OutputDefinition(final Iterable<DataSchemaNode> childNodes) {
         this.childNodes = childNodes;
     }