Added the removed LabelApplicationRuleDataDeserializationConfig.java file (#189)

* Added the removed LabelApplicationRuleDataDeserializationConfig.java file

* Added null check before switch case

* Addressed review comments

Author: sanket-mundra

hypertrace-graphql-labels-schema-impl/src/main/java/org/hypertrace/graphql/label/dao/LabelApplicationRuleRequestConverter.java

@@ -1,5 +1,7 @@
 package org.hypertrace.graphql.label.dao;
 
+import static org.hypertrace.graphql.label.schema.rule.StringCondition.StringConditionValueType.VALUE;
+
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Collectors;
@@ -133,7 +135,9 @@ StringCondition convertStringCondition(
     StringCondition.Builder stringConditionBuilder =
         StringCondition.newBuilder()
             .setOperator(convertStringConditionOperator(stringCondition.operator()));
-    switch (stringCondition.stringConditionValueType()) {
+    final org.hypertrace.graphql.label.schema.rule.StringCondition.StringConditionValueType type =
+        Optional.ofNullable(stringCondition.stringConditionValueType()).orElse(VALUE);
+    switch (type) {
       case VALUES:
         return stringConditionBuilder
             .setValues(

hypertrace-graphql-labels-schema-impl/src/main/java/org/hypertrace/graphql/label/deserialization/LabelApplicationRuleDataDeserializationConfig.java

@@ -0,0 +1,17 @@
+package org.hypertrace.graphql.label.deserialization;
+
+import org.hypertrace.core.graphql.deserialization.ArgumentDeserializationConfig;
+import org.hypertrace.graphql.label.schema.rule.LabelApplicationRuleData;
+
+public class LabelApplicationRuleDataDeserializationConfig
+    implements ArgumentDeserializationConfig {
+  @Override
+  public String getArgumentKey() {
+    return LabelApplicationRuleData.ARGUMENT_NAME;
+  }
+
+  @Override
+  public Class<?> getArgumentSchema() {
+    return LabelApplicationRuleData.class;
+  }
+}

hypertrace-graphql-labels-schema-impl/src/main/java/org/hypertrace/graphql/label/deserialization/LabelApplicationRuleDeserializationModule.java

@@ -10,6 +10,10 @@ protected void configure() {
     Multibinder<ArgumentDeserializationConfig> deserializationConfigBinder =
         Multibinder.newSetBinder(binder(), ArgumentDeserializationConfig.class);
 
+    deserializationConfigBinder
+        .addBinding()
+        .to(LabelApplicationRuleDataDeserializationConfig.class);
+
     deserializationConfigBinder.addBinding().to(LabelApplicationRuleDeserializationConfig.class);
 
     deserializationConfigBinder