1 files changed, 99 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/functions/stops/Stops.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/functions/stops/Stops.java
new file mode 100644
index 0000000000..af4f53c072
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/functions/stops/Stops.java
@@ -0,0 +1,99 @@
+package com.mapbox.mapboxsdk.style.functions.stops;
+
+import android.support.annotation.CallSuper;
+import android.support.annotation.NonNull;
+import android.support.annotation.Size;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * The base class for different stops implementations
+ *
+ * @param <I> the input type
+ * @param <O> the output type
+ * @see <a href="https://www.mapbox.com/mapbox-gl-style-spec/#types-function">The style specification</a>
+ */
+public abstract class Stops<I, O> {
+
+  /**
+   * Convenience method for use in function declarations
+   *
+   * @param stops the collections of discrete stops
+   * @param <I>   the Stops input type
+   * @param <O>   the Stops output type
+   * @return the {@link Stops} implementation
+   * @see Stop#stop
+   * @see CategoricalStops
+   */
+  @SafeVarargs
+  public static <I, O> CategoricalStops<I, O> categorical(@NonNull @Size(min = 1) Stop<I, O>... stops) {
+    return new CategoricalStops<>(stops);
+  }
+
+  /**
+   * Convenience method for use in function declarations
+   *
+   * @param stops the collections of discrete stops
+   * @param <I>   the Stops input type
+   * @param <O>   the Stops output type
+   * @return the {@link Stops} implementation
+   * @see Stop#stop
+   * @see ExponentialStops
+   */
+  @SafeVarargs
+  public static <I, O> ExponentialStops<I, O> exponential(@NonNull @Size(min = 1) Stop<I, O>... stops) {
+    return new ExponentialStops<>(stops);
+  }
+
+  /**
+   * Convenience method for use in function declarations
+   *
+   * @param <T> the Stops input/output type
+   * @return the {@link IdentityStops} implementation
+   * @see Stop#stop
+   * @see IdentityStops
+   */
+  public static <T> IdentityStops<T> identity() {
+    return new IdentityStops<>();
+  }
+
+  /**
+   * Convenience method for use in function declarations
+   *
+   * @param stops the collections of discrete stops
+   * @param <I>   the Stops input type
+   * @param <O>   the Stops output type
+   * @return the {@link Stops} implementation
+   * @see Stop#stop
+   * @see IntervalStops
+   */
+  @SafeVarargs
+  public static <I, O> IntervalStops<I, O> interval(@NonNull @Size(min = 1) Stop<I, O>... stops) {
+    return new IntervalStops<>(stops);
+  }
+
+  /**
+   * INTERNAL USAGE ONLY
+   *
+   * @return the value object representation for conversion to core
+   */
+  @CallSuper
+  public Map<String, Object> toValueObject() {
+    HashMap<String, Object> map = new HashMap<>();
+    map.put("type", getTypeName());
+    return map;
+  }
+
+  /**
+   * INTERNAL USAGE ONLY
+   *
+   * @return the unique type name as a string according to the style specification
+   */
+  protected abstract String getTypeName();
+
+  @Override
+  public String toString() {
+    return getTypeName();
+  }
+}