Update example-changeQueryAttributes

Replace the deprecated ChangeAttributeFactory class with the
ChangePluginDefinedInfoFactory class.

Introduced in change:
    https://gerrit-review.googlesource.com/c/gerrit/+/280758

Change-Id: I188f3f40eadcaf70aab74c8f1fee96797dd2d540

Author: Adithya Chakilam

example-changeQueryAttributes/src/main/java/com/googlesource/gerrit/plugins/examples/changequeryattributes/AttributeFactory.java

@@ -14,12 +14,18 @@
 
 package com.googlesource.gerrit.plugins.examples.changequeryattributes;
 
+import com.google.gerrit.entities.Change;
 import com.google.gerrit.extensions.common.PluginDefinedInfo;
-import com.google.gerrit.server.DynamicOptions.BeanProvider;
-import com.google.gerrit.server.change.ChangeAttributeFactory;
+import com.google.gerrit.server.DynamicOptions;
+import com.google.gerrit.server.change.ChangePluginDefinedInfoFactory;
 import com.google.gerrit.server.query.change.ChangeData;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import org.kohsuke.args4j.Option;
 
-public class AttributeFactory implements ChangeAttributeFactory {
+public class AttributeFactory implements ChangePluginDefinedInfoFactory {
+  protected MyChangeOptions options;
 
   public class PluginAttribute extends PluginDefinedInfo {
     public String exampleName;
@@ -32,7 +38,20 @@ public PluginAttribute(ChangeData c) {
   }
 
   @Override
-  public PluginDefinedInfo create(ChangeData c, BeanProvider bp, String plugin) {
-    return new PluginAttribute(c);
+  public Map<Change.Id, PluginDefinedInfo> createPluginDefinedInfos(
+      Collection<ChangeData> cds, DynamicOptions.BeanProvider bp, String plugin) {
+    Map<Change.Id, PluginDefinedInfo> out = new HashMap<>();
+    if (options == null) {
+      options = (MyChangeOptions) bp.getDynamicBean(plugin);
+    }
+    if (options.all) {
+      cds.forEach(cd -> out.put(cd.getId(), new PluginAttribute(cd)));
+    }
+    return out;
+  }
+
+  public class MyChangeOptions implements DynamicOptions.DynamicBean {
+    @Option(name = "--all", usage = "Include plugin output")
+    public boolean all = false;
   }
 }

example-changeQueryAttributes/src/main/java/com/googlesource/gerrit/plugins/examples/changequeryattributes/Module.java

@@ -15,14 +15,33 @@
 package com.googlesource.gerrit.plugins.examples.changequeryattributes;
 
 import com.google.gerrit.extensions.annotations.Exports;
-import com.google.gerrit.server.change.ChangeAttributeFactory;
+import com.google.gerrit.extensions.registration.DynamicSet;
+import com.google.gerrit.server.DynamicOptions;
+import com.google.gerrit.server.change.ChangePluginDefinedInfoFactory;
+import com.google.gerrit.server.restapi.change.GetChange;
+import com.google.gerrit.server.restapi.change.QueryChanges;
+import com.google.gerrit.sshd.commands.Query;
 import com.google.inject.AbstractModule;
 
 public class Module extends AbstractModule {
   @Override
   protected void configure() {
-    bind(ChangeAttributeFactory.class)
-        .annotatedWith(Exports.named("example-changeQueryAttributes"))
-        .to(AttributeFactory.class);
+    // Register attribute factory.
+    DynamicSet.bind(binder(), ChangePluginDefinedInfoFactory.class).to(AttributeFactory.class);
+
+    // Register options for GET /changes/X/change and /changes/X/detail.
+    bind(DynamicOptions.DynamicBean.class)
+        .annotatedWith(Exports.named(GetChange.class))
+        .to(AttributeFactory.MyChangeOptions.class);
+
+    // Register options for GET /changes/?q=...
+    bind(DynamicOptions.DynamicBean.class)
+        .annotatedWith(Exports.named(QueryChanges.class))
+        .to(AttributeFactory.MyChangeOptions.class);
+
+    // Register options for ssh gerrit query.
+    bind(DynamicOptions.DynamicBean.class)
+        .annotatedWith(Exports.named(Query.class))
+        .to(AttributeFactory.MyChangeOptions.class);
   }
 }