-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.browsing.ui.common.internal;\r
-\r
-import gnu.trove.map.hash.THashMap;\r
-import gnu.trove.map.hash.TObjectIntHashMap;\r
-import gnu.trove.set.hash.THashSet;\r
-\r
-import java.util.Collections;\r
-import java.util.Map;\r
-import java.util.Set;\r
-\r
-import org.simantics.browsing.ui.NodeContext;\r
-import org.simantics.browsing.ui.NodeContext.CacheKey;\r
-\r
-public class GECache implements IGECache {\r
-\r
- final Map<GECacheKey, IGECacheEntry> entries = new THashMap<GECacheKey, IGECacheEntry>();\r
- final Map<GECacheKey, Set<UIElementReference>> treeReferences = new THashMap<GECacheKey, Set<UIElementReference>>();\r
-\r
- final private static class GECacheKey {\r
-\r
- private NodeContext context;\r
- private CacheKey<?> key;\r
-\r
- GECacheKey(NodeContext context, CacheKey<?> key) {\r
- this.context = context;\r
- this.key = key;\r
- if (context == null || key == null) \r
- throw new IllegalArgumentException("Null context or key is not accepted");\r
- }\r
-\r
- GECacheKey(GECacheKey other) {\r
- this.context = other.context;\r
- this.key = other.key;\r
- if (context == null || key == null) \r
- throw new IllegalArgumentException("Null context or key is not accepted");\r
- }\r
-\r
- void setValues(NodeContext context, CacheKey<?> key) {\r
- this.context = context;\r
- this.key = key;\r
- if (context == null || key == null) \r
- throw new IllegalArgumentException("Null context or key is not accepted");\r
- }\r
-\r
- @Override\r
- public int hashCode() {\r
- return context.hashCode() | key.hashCode();\r
- }\r
-\r
- @Override\r
- public boolean equals(Object object) {\r
-\r
- if (this == object)\r
- return true;\r
- else if (object == null)\r
- return false;\r
-// else if (getClass() != object.getClass())\r
-// return false;\r
-\r
- GECacheKey i = (GECacheKey)object;\r
-\r
- return key.equals(i.key) && context.equals(i.context);\r
-\r
- }\r
-\r
- };\r
-\r
- /**\r
- * This single instance is used for all get operations from the cache. This\r
- * should work since the GE cache is meant to be single-threaded within the\r
- * current UI thread, what ever that thread is. For put operations which\r
- * store the key, this is not used.\r
- */\r
- NodeContext getNC = new NodeContext() {\r
- @Override\r
- public <T> T getAdapter(Class<T> adapter) {\r
- return null;\r
- }\r
- \r
- @Override\r
- public <T> T getConstant(ConstantKey<T> key) {\r
- return null;\r
- }\r
- \r
- @Override\r
- public Set<ConstantKey<?>> getKeys() {\r
- return Collections.emptySet();\r
- }\r
- };\r
- CacheKey<?> getCK = new CacheKey<Object>() {\r
- @Override\r
- public Object processorIdenfitier() {\r
- return this;\r
- }\r
- };\r
- GECacheKey getKey = new GECacheKey(getNC, getCK);\r
-\r
- public <T> IGECacheEntry put(NodeContext context, CacheKey<T> key, T value) {\r
- IGECacheEntry entry = new GECacheEntry(context, key, value);\r
- entries.put(new GECacheKey(context, key), entry);\r
- return entry;\r
- }\r
-\r
- @SuppressWarnings("unchecked")\r
- public <T> T get(NodeContext context, CacheKey<T> key) {\r
- getKey.setValues(context, key);\r
- IGECacheEntry entry = entries.get(getKey);\r
- if (entry == null)\r
- return null;\r
- return (T) entry.getValue();\r
- }\r
-\r
- @Override\r
- public <T> IGECacheEntry getEntry(NodeContext context, CacheKey<T> key) {\r
- assert(context != null);\r
- assert(key != null);\r
- getKey.setValues(context, key);\r
- return entries.get(getKey);\r
- }\r
-\r
- @Override\r
- public <T> void remove(NodeContext context, CacheKey<T> key) {\r
- getKey.setValues(context, key);\r
- entries.remove(getKey);\r
- }\r
-\r
- @Override\r
- public <T> Set<UIElementReference> getTreeReference(NodeContext context, CacheKey<T> key) {\r
- assert(context != null);\r
- assert(key != null);\r
- getKey.setValues(context, key);\r
- return treeReferences.get(getKey);\r
- }\r
-\r
- @Override\r
- public <T> void putTreeReference(NodeContext context, CacheKey<T> key, UIElementReference reference) {\r
- assert(context != null);\r
- assert(key != null);\r
- getKey.setValues(context, key);\r
- Set<UIElementReference> refs = treeReferences.get(getKey);\r
- if (refs != null) {\r
- refs.add(reference);\r
- } else {\r
- refs = new THashSet<UIElementReference>(4);\r
- refs.add(reference);\r
- treeReferences.put(new GECacheKey(getKey), refs);\r
- }\r
- }\r
-\r
- @Override\r
- public <T> Set<UIElementReference> removeTreeReference(NodeContext context, CacheKey<T> key) {\r
- assert(context != null);\r
- assert(key != null);\r
- getKey.setValues(context, key);\r
- return treeReferences.remove(getKey);\r
- }\r
- \r
- @Override\r
- public boolean isShown(NodeContext context) {\r
- return references.get(context) > 0;\r
- }\r
-\r
- private TObjectIntHashMap<NodeContext> references = new TObjectIntHashMap<NodeContext>();\r
- \r
- @Override\r
- public void incRef(NodeContext context) {\r
- int exist = references.get(context);\r
- references.put(context, exist+1);\r
- }\r
- \r
- @Override\r
- public void decRef(NodeContext context) {\r
- int exist = references.get(context);\r
- references.put(context, exist-1);\r
- if(exist == 1) {\r
- references.remove(context);\r
- }\r
- }\r
- \r
- public void dispose() {\r
- references.clear();\r
- entries.clear();\r
- treeReferences.clear();\r
- }\r
- \r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.common.internal;
+
+import gnu.trove.map.hash.THashMap;
+import gnu.trove.map.hash.TObjectIntHashMap;
+import gnu.trove.set.hash.THashSet;
+
+import java.util.Collections;
+import java.util.Map;
+import java.util.Set;
+
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.NodeContext.CacheKey;
+
+public class GECache implements IGECache {
+
+ final Map<GECacheKey, IGECacheEntry> entries = new THashMap<GECacheKey, IGECacheEntry>();
+ final Map<GECacheKey, Set<UIElementReference>> treeReferences = new THashMap<GECacheKey, Set<UIElementReference>>();
+
+ final private static class GECacheKey {
+
+ private NodeContext context;
+ private CacheKey<?> key;
+
+ GECacheKey(NodeContext context, CacheKey<?> key) {
+ this.context = context;
+ this.key = key;
+ if (context == null || key == null)
+ throw new IllegalArgumentException("Null context or key is not accepted");
+ }
+
+ GECacheKey(GECacheKey other) {
+ this.context = other.context;
+ this.key = other.key;
+ if (context == null || key == null)
+ throw new IllegalArgumentException("Null context or key is not accepted");
+ }
+
+ void setValues(NodeContext context, CacheKey<?> key) {
+ this.context = context;
+ this.key = key;
+ if (context == null || key == null)
+ throw new IllegalArgumentException("Null context or key is not accepted");
+ }
+
+ @Override
+ public int hashCode() {
+ return context.hashCode() | key.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object object) {
+
+ if (this == object)
+ return true;
+ else if (object == null)
+ return false;
+// else if (getClass() != object.getClass())
+// return false;
+
+ GECacheKey i = (GECacheKey)object;
+
+ return key.equals(i.key) && context.equals(i.context);
+
+ }
+
+ };
+
+ /**
+ * This single instance is used for all get operations from the cache. This
+ * should work since the GE cache is meant to be single-threaded within the
+ * current UI thread, what ever that thread is. For put operations which
+ * store the key, this is not used.
+ */
+ NodeContext getNC = new NodeContext() {
+ @Override
+ public <T> T getAdapter(Class<T> adapter) {
+ return null;
+ }
+
+ @Override
+ public <T> T getConstant(ConstantKey<T> key) {
+ return null;
+ }
+
+ @Override
+ public Set<ConstantKey<?>> getKeys() {
+ return Collections.emptySet();
+ }
+ };
+ CacheKey<?> getCK = new CacheKey<Object>() {
+ @Override
+ public Object processorIdenfitier() {
+ return this;
+ }
+ };
+ GECacheKey getKey = new GECacheKey(getNC, getCK);
+
+ public <T> IGECacheEntry put(NodeContext context, CacheKey<T> key, T value) {
+ IGECacheEntry entry = new GECacheEntry(context, key, value);
+ entries.put(new GECacheKey(context, key), entry);
+ return entry;
+ }
+
+ @SuppressWarnings("unchecked")
+ public <T> T get(NodeContext context, CacheKey<T> key) {
+ getKey.setValues(context, key);
+ IGECacheEntry entry = entries.get(getKey);
+ if (entry == null)
+ return null;
+ return (T) entry.getValue();
+ }
+
+ @Override
+ public <T> IGECacheEntry getEntry(NodeContext context, CacheKey<T> key) {
+ assert(context != null);
+ assert(key != null);
+ getKey.setValues(context, key);
+ return entries.get(getKey);
+ }
+
+ @Override
+ public <T> void remove(NodeContext context, CacheKey<T> key) {
+ getKey.setValues(context, key);
+ entries.remove(getKey);
+ }
+
+ @Override
+ public <T> Set<UIElementReference> getTreeReference(NodeContext context, CacheKey<T> key) {
+ assert(context != null);
+ assert(key != null);
+ getKey.setValues(context, key);
+ return treeReferences.get(getKey);
+ }
+
+ @Override
+ public <T> void putTreeReference(NodeContext context, CacheKey<T> key, UIElementReference reference) {
+ assert(context != null);
+ assert(key != null);
+ getKey.setValues(context, key);
+ Set<UIElementReference> refs = treeReferences.get(getKey);
+ if (refs != null) {
+ refs.add(reference);
+ } else {
+ refs = new THashSet<UIElementReference>(4);
+ refs.add(reference);
+ treeReferences.put(new GECacheKey(getKey), refs);
+ }
+ }
+
+ @Override
+ public <T> Set<UIElementReference> removeTreeReference(NodeContext context, CacheKey<T> key) {
+ assert(context != null);
+ assert(key != null);
+ getKey.setValues(context, key);
+ return treeReferences.remove(getKey);
+ }
+
+ @Override
+ public boolean isShown(NodeContext context) {
+ return references.get(context) > 0;
+ }
+
+ private TObjectIntHashMap<NodeContext> references = new TObjectIntHashMap<NodeContext>();
+
+ @Override
+ public void incRef(NodeContext context) {
+ int exist = references.get(context);
+ references.put(context, exist+1);
+ }
+
+ @Override
+ public void decRef(NodeContext context) {
+ int exist = references.get(context);
+ references.put(context, exist-1);
+ if(exist == 1) {
+ references.remove(context);
+ }
+ }
+
+ public void dispose() {
+ references.clear();
+ entries.clear();
+ treeReferences.clear();
+ }
+
+}
Code Review / simantics / platform.git / blobdiff