Merge "Define equals and hashCode for InputDeviceIdentifier." into nyc-dev

am: c81b726

* commit 'c81b726ed1faf195d81d64a1af2e747d58a453df':
  Define equals and hashCode for InputDeviceIdentifier.

Change-Id: I91872ea38d0d7b04d23f3f61a8a0312065199494

core/java/android/hardware/input/InputDeviceIdentifier.java

@@ -16,8 +16,11 @@
 
 package android.hardware.input;
 
+import java.util.Objects;
+
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.text.TextUtils;
 
 /**
  * Wrapper for passing identifying information for input devices.
@@ -65,6 +68,21 @@ public final class InputDeviceIdentifier implements Parcelable {
         return mProductId;
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || !(o instanceof InputDeviceIdentifier)) return false;
+
+        final InputDeviceIdentifier that = (InputDeviceIdentifier) o;
+        return ((mVendorId == that.mVendorId) && (mProductId == that.mProductId)
+                && TextUtils.equals(mDescriptor, that.mDescriptor));
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(mDescriptor, mVendorId, mProductId);
+    }
+
     public static final Parcelable.Creator<InputDeviceIdentifier> CREATOR =
             new Parcelable.Creator<InputDeviceIdentifier>() {