Fixes for filter properties

components/application-mgt/org.wso2.carbon.device.application.mgt.api/src/main/java/org/wso2/carbon/device/application/mgt/api/services/impl/ApplicationManagementAPIImpl.java

@@ -30,7 +30,8 @@ import org.wso2.carbon.device.application.mgt.core.services.impl.ApplicationMana
 import javax.ws.rs.*;
 import javax.ws.rs.core.Response;
 
-import static org.wso2.carbon.device.application.mgt.core.services.impl.ApplicationManagementServiceFactory.ManagerService.APPLICATION_MANAGER;
+import static org.wso2.carbon.device.application.mgt.core.services.impl.ApplicationManagementServiceFactory
+        .ManagerService.APPLICATION_MANAGER;
 
 @Produces({"application/json"})
 @Consumes({"application/json"})

components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/Filter.java

@@ -18,6 +18,7 @@
  */
 package org.wso2.carbon.device.application.mgt.common;
 
+import java.util.List;
 import java.util.Map;
 
 public class Filter {
@@ -32,7 +33,7 @@ public class Filter {
 
     private String filter;
 
-    private Map<String, String> filterProperties;
+    private List<FilterProperty> filterProperties;
 
     private String searchQuery;
 
@@ -64,11 +65,11 @@ public class Filter {
         this.filter = filter;
     }
 
-    public Map<String, String> getFilterProperties() {
+    public List<FilterProperty> getFilterProperties() {
         return filterProperties;
     }
 
-    public void setFilterProperties(Map<String, String> filterProperties) {
+    public void setFilterProperties(List<FilterProperty> filterProperties) {
         this.filterProperties = filterProperties;
     }
 

components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/FilterProperty.java

@@ -0,0 +1,77 @@
+/*
+ *   Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ *
+ *   WSO2 Inc. licenses this file to you under the Apache License,
+ *   Version 2.0 (the "License"); you may not use this file except
+ *   in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   Unless required by applicable law or agreed to in writing,
+ *   software distributed under the License is distributed on an
+ *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *   KIND, either express or implied.  See the License for the
+ *   specific language governing permissions and limitations
+ *   under the License.
+ *
+ */
+package org.wso2.carbon.device.application.mgt.common;
+
+public class FilterProperty {
+
+    public enum Operator {
+        EQUALS ("="),
+        GRATER_THAN (">"),
+        GREATER_THAN_AND_EQUAL(">="),
+        LESS_THAN ("<"),
+        LESS_THAN_AND_EQUAL ("<=");
+
+        private final String value;
+
+        Operator(String value) {
+            this.value = value;
+        }
+
+        public String getValue() {
+            return value;
+        }
+    }
+
+    public FilterProperty(String key, Operator operator, String value) {
+        this.key = key;
+        this.operator = operator;
+        this.value = value;
+    }
+
+    private String key;
+
+    private Operator operator;
+
+    private String value;
+
+    public String getKey() {
+        return key;
+    }
+
+    public void setKey(String key) {
+        this.key = key;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    public void setValue(String value) {
+        this.value = value;
+    }
+
+    public Operator getOperator() {
+        return operator;
+    }
+
+    public void setOperator(Operator operator) {
+        this.operator = operator;
+    }
+
+}