Added Getter and Setters for DataSet for backward compatibility of projects using com.flipkart artifact

pom.xml

@@ -4,7 +4,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
     <groupId>io.appform.databuilderframework</groupId>
-    <version>1.1.1</version>
+    <version>1.1.2</version>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>databuilderframework</artifactId>

src/main/java/io/appform/databuilderframework/model/DataSet.java

@@ -3,6 +3,7 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.google.common.base.Predicates;
 import com.google.common.base.Strings;
+import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Maps;
 import io.appform.databuilderframework.engine.DataSetAccessor;
 import io.appform.databuilderframework.engine.Utils;
@@ -58,6 +59,14 @@ public <T extends Data> DataSet add(T data) {
         return add(Utils.name(data.getClass()), data);
     }
 
+    public Data remove(final String dataName) {
+        return safeWriteOp(() -> availableData.remove(dataName));
+    }
+
+    public Data remove(final Class<?> dataClass) {
+        return safeWriteOp(() -> availableData.remove(Utils.name(dataClass)));
+    }
+
     public Map<String, Data> filter(final Collection<String> requiredKeys) {
         if (null == requiredKeys || requiredKeys.isEmpty()) {
             return Collections.emptyMap();
@@ -103,6 +112,10 @@ public DataSetAccessor accessor() {
         return accessor(this);
     }
 
+    public Set<String> keySet() {
+        return safeOp(() -> ImmutableSet.copyOf(availableData.keySet()));
+    }
+
     private <T> T safeOp(Supplier<T> operation) {
         val stamp = lock.readLock();
         try {

src/test/java/io/appform/databuilderframework/model/DataSetTest.java

@@ -0,0 +1,54 @@
+package io.appform.databuilderframework.model;
+
+import io.appform.databuilderframework.engine.Utils;
+import junit.framework.TestCase;
+import org.junit.Test;
+
+import java.util.Set;
+
+public class DataSetTest extends TestCase {
+
+    public class TestData extends Data {
+        protected TestData() {
+            super(Utils.name(TestData.class));
+        }
+    }
+
+    @Test
+    public void testKeyRemovalFromDataSetKeyExists() {
+        DataSet ds = new DataSet();
+        ds.add(new TestData());
+        assertNotNull(ds.get(Utils.name(TestData.class)));
+        Data removedData = ds.remove(Utils.name(TestData.class));
+        assertNotNull(removedData);
+        assertNull(ds.get(Utils.name(TestData.class)));
+    }
+
+    @Test
+    public void testKeyRemovalFromDataSetKeyDoesNotExist() {
+        DataSet ds = new DataSet();
+        assertNull(ds.get(Utils.name(TestData.class)));
+        assertNull(ds.remove(Utils.name(TestData.class)));
+        assertNull(ds.get(Utils.name(TestData.class)));
+    }
+
+    @Test
+    public void testKeyRemovalFromDataSetWithClassAsParameter() {
+        DataSet ds = new DataSet();
+        ds.add(new TestData());
+        assertNotNull(ds.get(Utils.name(TestData.class)));
+        Data removedData = ds.remove(TestData.class);
+        assertNotNull(removedData);
+        assertNull(ds.get(Utils.name(TestData.class)));
+    }
+
+    @Test
+    public void testKeySetFetch() {
+        DataSet ds = new DataSet();
+        ds.add(new TestData());
+        Set<String> dataKeys = ds.keySet();
+        assertNotNull(dataKeys);
+        assertEquals(1, dataKeys.size());
+    }
+
+}