BEP: Add WorkspaceStatus

Add an event reporting the workspace status as key-value pairs reported
via the workspace_status_command.

Change-Id: I5791551798a594bc2465f483eb97f9d4fd4c7cfd
PiperOrigin-RevId: 154845224

1 files changed, 33 insertions, 5 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/analysis/BuildInfoEvent.java b/src/main/java/com/google/devtools/build/lib/analysis/BuildInfoEvent.java
index af0c015c76..de67b6c974 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/BuildInfoEvent.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/BuildInfoEvent.java
@@ -14,14 +14,18 @@
 
 package com.google.devtools.build.lib.analysis;
 
+import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
-
+import com.google.devtools.build.lib.buildeventstream.BuildEvent;
+import com.google.devtools.build.lib.buildeventstream.BuildEventConverters;
+import com.google.devtools.build.lib.buildeventstream.BuildEventId;
+import com.google.devtools.build.lib.buildeventstream.BuildEventStreamProtos;
+import com.google.devtools.build.lib.buildeventstream.GenericBuildEvent;
+import java.util.Collection;
 import java.util.Map;
 
-/**
- * This event is fired once build info data is available.
- */
-public final class BuildInfoEvent {
+/** This event is fired once build info data is available. */
+public final class BuildInfoEvent implements BuildEvent {
   private final Map<String, String> buildInfoMap;
 
   /**
@@ -37,4 +41,28 @@ public final class BuildInfoEvent {
   public Map<String, String> getBuildInfoMap() {
     return buildInfoMap;
   }
+
+  @Override
+  public BuildEventId getEventId() {
+    return BuildEventId.workspaceStatusId();
+  }
+
+  @Override
+  public Collection<BuildEventId> getChildrenEvents() {
+    return ImmutableList.<BuildEventId>of();
+  }
+
+  @Override
+  public BuildEventStreamProtos.BuildEvent asStreamProto(BuildEventConverters converters) {
+    BuildEventStreamProtos.WorkspaceStatus.Builder status =
+        BuildEventStreamProtos.WorkspaceStatus.newBuilder();
+    for (Map.Entry<String, String> entry : getBuildInfoMap().entrySet()) {
+      status.addItem(
+          BuildEventStreamProtos.WorkspaceStatus.Item.newBuilder()
+              .setKey(entry.getKey())
+              .setValue(entry.getValue())
+              .build());
+    }
+    return GenericBuildEvent.protoChaining(this).setWorkspaceStatus(status.build()).build();
+  }
 }