BTDevice.java: Add isValid() query, i.e. device reference valid and device not removed

3 files changed, 16 insertions, 0 deletions

diff --git a/java/jau/direct_bt/DBTDevice.java b/java/jau/direct_bt/DBTDevice.java
index 1985aae9..1b464a27 100644
--- a/java/jau/direct_bt/DBTDevice.java
+++ b/java/jau/direct_bt/DBTDevice.java
@@ -697,6 +697,10 @@ public class DBTDevice extends DBTObject implements BTDevice
     private native boolean removeImpl() throws BTException;
 
     @Override
+    public final boolean isValid() { return super.isValid() /* && isValidImpl() */; }
+    // public native boolean isValidImpl();
+
+    @Override
     public List<BTGattService> getServices() {
         try {
             final List<BTGattService> services = getServicesImpl();
diff --git a/java/org/direct_bt/BTDevice.java b/java/org/direct_bt/BTDevice.java
index fa06d89d..0b8eaf4e 100644
--- a/java/org/direct_bt/BTDevice.java
+++ b/java/org/direct_bt/BTDevice.java
@@ -555,6 +555,15 @@ public interface BTDevice extends BTObject
      */
     boolean remove() throws BTException;
 
+    /**
+     * Returns whether the device is valid, i.e. reference is valid
+     * but not necessarily {@link #getConnected() connected}.
+     * @return true if this device's references are valid and hasn't been {@link #remove()}'ed
+     * @see #remove()
+     * @since 2.2.0
+     */
+    public boolean isValid();
+
     /** Cancels an initiated pairing operation
       * @return TRUE if the paring is cancelled successfully
       */
diff --git a/java/tinyb/dbus/DBusDevice.java b/java/tinyb/dbus/DBusDevice.java
index 42a37117..7fd552a6 100644
--- a/java/tinyb/dbus/DBusDevice.java
+++ b/java/tinyb/dbus/DBusDevice.java
@@ -168,6 +168,9 @@ public class DBusDevice extends DBusObject implements BTDevice
     public native boolean remove() throws BTException;
 
     @Override
+    public final boolean isValid() { return super.isValid(); }
+
+    @Override
     public native boolean cancelPairing() throws BTException;
 
     @Override