Scripted update of if statements

[yangtools.git] / yang / yang-parser-impl / src / main / java / org / opendaylight / yangtools / yang / parser / stmt / reactor / NamespaceBehaviourWithListeners.java

diff --git a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/reactor/NamespaceBehaviourWithListeners.java b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/reactor/NamespaceBehaviourWithListeners.java
index 2a99e6e143c4cc9f5ee0368e8bf456dac0a006cc..5f77fd4aaf4c3ec9c60ce4a010728621e24499e7 100644 (file)
--- a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/reactor/NamespaceBehaviourWithListeners.java
+++ b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/reactor/NamespaceBehaviourWithListeners.java
@@ -7,60 +7,92 @@
  */
 package org.opendaylight.yangtools.yang.parser.stmt.reactor;
 
-import com.google.common.collect.HashMultimap;
-import com.google.common.collect.Multimap;
+import java.util.ArrayList;
 import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
 import org.opendaylight.yangtools.yang.model.api.meta.IdentifierNamespace;
 import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour;
 
-final class NamespaceBehaviourWithListeners<K,V, N extends IdentifierNamespace<K, V>> extends NamespaceBehaviour<K, V, N> {
+abstract class NamespaceBehaviourWithListeners<K, V, N extends IdentifierNamespace<K, V>>
+        extends NamespaceBehaviour<K, V, N> {
 
-    static abstract class ValueAddedListener {
+    abstract static class ValueAddedListener<K> {
+        private final NamespaceStorageNode ctxNode;
+        private K key;
 
-        private org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour.NamespaceStorageNode ctxNode;
-
-        public ValueAddedListener(NamespaceStorageNode contextNode) {
+        public ValueAddedListener(final NamespaceStorageNode contextNode, K key) {
             this.ctxNode = contextNode;
+            this.key = key;
         }
 
-        abstract void onValueAdded(Object key, Object value);
+        public NamespaceStorageNode getCtxNode() {
+            return ctxNode;
+        }
+
+        public K getKey() {
+            return key;
+        }
 
+        void trigger(Object value) {
+            onValueAdded(key, value);
+        }
+
+        abstract void onValueAdded(Object key, Object value);
     }
 
-    private final NamespaceBehaviour<K, V, N> delegate;
-    private final Multimap<K, ValueAddedListener> listeners = HashMultimap.create();
+    protected final NamespaceBehaviour<K, V, N> delegate;
+    private final List<VirtualNamespaceContext<?, V, ?, K>> derivedNamespaces = new ArrayList<>();
 
-    protected NamespaceBehaviourWithListeners(NamespaceBehaviour<K, V, N> delegate) {
+
+    protected NamespaceBehaviourWithListeners(final NamespaceBehaviour<K, V, N> delegate) {
         super(delegate.getIdentifier());
         this.delegate = delegate;
     }
 
+    protected abstract void addListener(K key, ValueAddedListener<K> listener);
+
+    protected abstract boolean isRequestedValue(ValueAddedListener<K> listener, NamespaceStorageNode storage, V value);
+
     @Override
-    public void addTo(NamespaceBehaviour.NamespaceStorageNode storage,
-            K key, V value) {
-        delegate.addTo(storage, key, value);
-
-        Iterator<ValueAddedListener> keyListeners = listeners.get(key).iterator();
-        while(keyListeners.hasNext()) {
-            ValueAddedListener listener = keyListeners.next();
-            if(listener.ctxNode == storage || hasIdentiticalValue(listener.ctxNode,key,value)) {
+    public abstract void addTo(final NamespaceStorageNode storage, final K key, final V value);
+
+    protected void notifyListeners(final NamespaceStorageNode storage, Iterator<ValueAddedListener<K>> keyListeners,
+            final V value) {
+        List<ValueAddedListener<K>> toNotify = new ArrayList<>();
+        while (keyListeners.hasNext()) {
+            ValueAddedListener<K> listener = keyListeners.next();
+            if (isRequestedValue(listener, storage, value)) {
                 keyListeners.remove();
-                listener.onValueAdded(key, value);
+                toNotify.add(listener);
             }
         }
+        for (ValueAddedListener<K> listener : toNotify) {
+            listener.trigger(value);
+        }
     }
 
-    private boolean hasIdentiticalValue(NamespaceBehaviour.NamespaceStorageNode ctxNode, K key, V value) {
-        return getFrom(ctxNode, key) == value;
+    protected void notifyDerivedNamespaces(final NamespaceStorageNode storage, final K key, final V value) {
+        for (VirtualNamespaceContext<?, V, ?, K> derived : derivedNamespaces) {
+            derived.addedToSourceNamespace(storage, key, value);
+        }
     }
 
-    void addValueListener(K key, ValueAddedListener listener) {
-        listeners.put(key, listener);
+    final void addValueListener(final ValueAddedListener<K> listener) {
+        addListener(listener.key, listener);
+    }
+
+    final void addDerivedNamespace(VirtualNamespaceContext<?, V, ?, K> namespace) {
+        derivedNamespaces.add(namespace);
     }
 
     @Override
-    public V getFrom(NamespaceBehaviour.NamespaceStorageNode storage,
-            K key) {
+    public V getFrom(final NamespaceStorageNode storage, final K key) {
         return delegate.getFrom(storage, key);
     }
+
+    @Override
+    public Map<K, V> getAllFrom(final NamespaceStorageNode storage) {
+        return delegate.getAllFrom(storage);
+    }
 }