Adding in Logic to hold Split 1/3 - InitPhase

This sets up the underlying metric object to hold the required data
across the flow for the PreCandidate split - known as the InitialPhase. This will be a part of the
setup of the V3 metrics.

Bug: 270403549
Test: To be chained in, building for now
Change-Id: Idbc376cf79d0a7054192d66337ba1ff4cc82ca61

services/credentials/java/com/android/server/credentials/metrics/CandidateProviderMetric.java

@@ -18,6 +18,9 @@ package com.android.server.credentials.metrics;
 
 /**
  * The central candidate provider metric object that mimics our defined metric setup.
+ * Some types are redundant across these metric collectors, but that has debug use-cases as
+ * these data-types are available at different moments of the flow (and typically, one can feed
+ * into the next).
  * TODO(b/270403549) - iterate on this in V3+
  */
 public class CandidateProviderMetric {

services/credentials/java/com/android/server/credentials/metrics/ChosenProviderMetric.java

@@ -22,6 +22,9 @@ import com.android.server.credentials.MetricUtilities;
 
 /**
  * The central chosen provider metric object that mimics our defined metric setup.
+ * Some types are redundant across these metric collectors, but that has debug use-cases as
+ * these data-types are available at different moments of the flow (and typically, one can feed
+ * into the next).
  * TODO(b/270403549) - iterate on this in V3+
  */
 public class ChosenProviderMetric {
@@ -65,12 +68,12 @@ public class ChosenProviderMetric {
 
     /**
      * In order for a chosen provider to be selected, the call must have successfully begun.
-     * Thus, the {@link PreCandidateMetric} can directly pass this initial latency figure into
+     * Thus, the {@link InitialPhaseMetric} can directly pass this initial latency figure into
      * this chosen provider metric.
      *
      * @param preQueryPhaseLatencyMicroseconds the millisecond latency for the service start,
      *                                         typically passed in through the
-     *                                         {@link PreCandidateMetric}
+     *                                         {@link InitialPhaseMetric}
      */
     public void setPreQueryPhaseLatencyMicroseconds(int preQueryPhaseLatencyMicroseconds) {
         mPreQueryPhaseLatencyMicroseconds = preQueryPhaseLatencyMicroseconds;
@@ -112,7 +115,7 @@ public class ChosenProviderMetric {
 
     /**
      * Returns the full (platform invoked to response) latency in microseconds. Expects the
-     * start time to be provided, such as from {@link PreCandidateMetric}.
+     * start time to be provided, such as from {@link InitialPhaseMetric}.
      */
     public int getEntireLatencyMicroseconds() {
         return (int) ((this.mFinalFinishTimeNanoseconds
@@ -123,11 +126,11 @@ public class ChosenProviderMetric {
 
     /**
      * In order for a chosen provider to be selected, the call must have successfully begun.
-     * Thus, the {@link PreCandidateMetric} can directly pass this initial timestamp into this
+     * Thus, the {@link InitialPhaseMetric} can directly pass this initial timestamp into this
      * chosen provider metric.
      *
      * @param serviceBeganTimeNanoseconds the timestamp moment when the platform was called,
-     *                                    typically passed in through the {@link PreCandidateMetric}
+     *                                    typically passed in through the {@link InitialPhaseMetric}
      */
     public void setServiceBeganTimeNanoseconds(long serviceBeganTimeNanoseconds) {
         mServiceBeganTimeNanoseconds = serviceBeganTimeNanoseconds;
@@ -188,8 +191,6 @@ public class ChosenProviderMetric {
                 - this.mServiceBeganTimeNanoseconds) / 1000);
     }
 
-
-
     /* ----------- Provider Status -------------- */
 
     public int getChosenProviderStatus() {

services/credentials/java/com/android/server/credentials/metrics/InitialPhaseMetric.java

@@ -18,19 +18,34 @@ package com.android.server.credentials.metrics;
 
 /**
  * This handles metrics collected prior to any remote calls to providers.
+ * Some types are redundant across these metric collectors, but that has debug use-cases as
+ * these data-types are available at different moments of the flow (and typically, one can feed
+ * into the next).
  * TODO(b/270403549) - iterate on this in V3+
  */
-public class PreCandidateMetric {
-
+public class InitialPhaseMetric {
     private static final String TAG = "PreCandidateMetric";
 
+    // The api being called, default set to unknown
+    private int mApiName = ApiName.UNKNOWN.getMetricCode();
+    // The caller uid of the calling application, default to -1
+    private int mCallerUid = -1;
+    // The session id to unite multiple atom emits, default to -1
+    private long mSessionId = -1;
+    // A sequence id to order united emits, default to -1
+    private int mSequenceId = -1;
+    private int mCountRequestClassType = -1;
+
     // Raw timestamps in nanoseconds, *the only* one logged as such (i.e. 64 bits) since it is a
     // reference point.
-
     private long mCredentialServiceStartedTimeNanoseconds = -1;
+
+    // A reference point to give this object utility to capture latency. Can be directly handed
+    // over to the next latency object.
     private long mCredentialServiceBeginQueryTimeNanoseconds = -1;
 
-    public PreCandidateMetric() {
+
+    public InitialPhaseMetric() {
     }
 
     /* ---------- Latencies ---------- */
@@ -62,4 +77,54 @@ public class PreCandidateMetric {
     public long getCredentialServiceBeginQueryTimeNanoseconds() {
         return mCredentialServiceBeginQueryTimeNanoseconds;
     }
+
+    /* ------ ApiName ------ */
+
+    public void setApiName(int apiName) {
+        mApiName = apiName;
+    }
+
+    public int getApiName() {
+        return mApiName;
+    }
+
+    /* ------ CallerUid ------ */
+
+    public void setCallerUid(int callerUid) {
+        mCallerUid = callerUid;
+    }
+
+    public int getCallerUid() {
+        return mCallerUid;
+    }
+
+    /* ------ SessionId ------ */
+
+    public void setSessionId(long sessionId) {
+        mSessionId = sessionId;
+    }
+
+    public long getSessionId() {
+        return mSessionId;
+    }
+
+    /* ------ SequenceId ------ */
+
+    public void setSequenceId(int sequenceId) {
+        mSequenceId = sequenceId;
+    }
+
+    public int getSequenceId() {
+        return mSequenceId;
+    }
+
+    /* ------ Count Request Class Types ------ */
+
+    public void setCountRequestClassType(int countRequestClassType) {
+        mCountRequestClassType = countRequestClassType;
+    }
+
+    public int getCountRequestClassType() {
+        return mCountRequestClassType;
+    }
 }