xAdd application/component.

Change-Id: Ib60ef8f3e64aa03dfa49b7c542ac7bae1e25175f
Issue-ID: DCAEGEN2-879
Signed-off-by: Shadi Haidar <sh1986@att.com>
Signed-off-by: Haidar, Shadi (sh1986) <sh1986@att.com>

14 files changed, 201 insertions, 31 deletions

diff --git a/docs/API.md b/docs/API.md
index ec0ff89..c99eb1e 100644
--- a/docs/API.md
+++ b/docs/API.md
@@ -75,6 +75,9 @@ Get a list of `DCAEServiceType` objects.
 |**Query**|**serviceLocation**  <br>*optional*|Filter by associated service location. Instances with service location null or empty is always returned.|string||
 |**Query**|**typeName**  <br>*optional*|Filter by service type name|string||
 |**Query**|**vnfType**  <br>*optional*|Filter by associated vnf type. No wildcards, matches are explicit. This field is treated case insensitive.|string||
+|**Query**|**owner**  <br>*optional*|Filter by owner name|string||
+|**Query**|**application**  <br>*optional*|Filter by application name|string||
+|**Query**|**component**  <br>*optional*|Filter by component name|string||
 
 
 #### Responses
@@ -443,6 +446,8 @@ Remove an existing `DCAEService` object.
 |**created**  <br>*required*|Created timestamp for this DCAE service type in epoch time|string(date-time)|
 |**deactivated**  <br>*optional*|Deactivated timestamp for this DCAE service type in epoch time|string(date-time)|
 |**owner**  <br>*required*||string|
+|**application**  <br>*optional*||string|
+|**component**  <br>*optional*||string|
 |**selfLink**  <br>*required*|Link to self where the Link.title is typeName|[Link](#link)|
 |**serviceIds**  <br>*optional*|List of service ids that are used to associate with DCAE service type. DCAE service types with this propery as null or empty means them apply for every service id.|< string > array|
 |**serviceLocations**  <br>*optional*|List of service locations that are used to associate with DCAE service type. DCAE service types with this propery as null or empty means them apply for every service location.|< string > array|
@@ -462,6 +467,8 @@ Remove an existing `DCAEService` object.
 |**asdcServiceURL**  <br>*optional*|URL to the ASDC service model|string|
 |**blueprintTemplate**  <br>*required*|String representation of a Cloudify blueprint with unbound variables|string|
 |**owner**  <br>*required*||string|
+|**application**  <br>*optional*||string|
+|**component**  <br>*optional*||string|
 |**serviceIds**  <br>*optional*|List of service ids that are used to associate with DCAE service type. DCAE service types with this propery as null or empty means them apply for every service id.|< string > array|
 |**serviceLocations**  <br>*optional*|List of service locations that are used to associate with DCAE service type. DCAE service types with this propery as null or empty means them apply for every service location.|< string > array|
 |**typeName**  <br>*required*|Descriptive name for this DCAE service type|string|
diff --git a/docs/DatabaseTables.md b/docs/DatabaseTables.md
index 30f4f7b..48b2ba7 100644
--- a/docs/DatabaseTables.md
+++ b/docs/DatabaseTables.md
@@ -26,6 +26,8 @@ As of version 0.12.0.
  asdc_resource_id   | character varying           | not null
  created            | timestamp without time zone | not null
  is_active          | boolean                     | not null
+ application        | character varying           | 
+ component          | character varying           | 
 Indexes:
     "pk_type_created" PRIMARY KEY, btree (type_id, created)
 ```
diff --git a/pom.xml b/pom.xml
index 84b42dd..0a878ed 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@ ECOMP is a trademark and service mark of AT&T Intellectual Property.
 
     <groupId>org.onap.dcaegen2.platform</groupId>
     <artifactId>inventory-api</artifactId>
-    <version>3.0.4</version>
+    <version>3.1.0</version>
     <name>dcaegen2-platform-inventory-api</name>
     <!--internal <version>3.0.0</version>-->
 
@@ -88,16 +88,16 @@ ECOMP is a trademark and service mark of AT&T Intellectual Property.
                 </exclusion>
             </exclusions>
         </dependency>
-	<dependency>
-	    <groupId>org.eclipse.jetty</groupId>
-	    <artifactId>jetty-server</artifactId>
-	    <version>9.4.12.v20180830</version>
-	</dependency>
-	<dependency>
-	    <groupId>org.eclipse.jetty</groupId>
-	    <artifactId>jetty-http</artifactId>
-	    <version>9.4.12.v20180830</version>
-	</dependency>
+   <dependency>
+       <groupId>org.eclipse.jetty</groupId>
+       <artifactId>jetty-server</artifactId>
+       <version>9.4.12.v20180830</version>
+   </dependency>
+   <dependency>
+       <groupId>org.eclipse.jetty</groupId>
+       <artifactId>jetty-http</artifactId>
+       <version>9.4.12.v20180830</version>
+   </dependency>
         <dependency>
             <groupId>io.dropwizard</groupId>
             <artifactId>dropwizard-jdbi</artifactId>
diff --git a/src/gen/java/io/swagger/api/DcaeServiceTypesApi.java b/src/gen/java/io/swagger/api/DcaeServiceTypesApi.java
index 72f1f63..5ff9eb3 100644
--- a/src/gen/java/io/swagger/api/DcaeServiceTypesApi.java
+++ b/src/gen/java/io/swagger/api/DcaeServiceTypesApi.java
@@ -45,7 +45,7 @@ public class DcaeServiceTypesApi {
 
     public static Link buildLinkForGet(UriInfo uriInfo, String rel, String typeName, Boolean onlyLatest, Boolean onlyActive,
                                        String vnfType, String serviceId, String serviceLocation, String asdcServiceId,
-                                       String asdcResourceId, Integer offset) {
+                                       String asdcResourceId, Integer offset, String application, String component, String owner) {
         UriBuilder ub = uriInfo.getBaseUriBuilder().path(DcaeServiceTypesApi.class)
                 .path(DcaeServiceTypesApi.class, "dcaeServiceTypesGet");
 
@@ -76,6 +76,15 @@ public class DcaeServiceTypesApi {
         if (offset != null) {
             ub.queryParam("offset", offset);
         }
+        if (application != null) {
+            ub.queryParam("application", application);
+        }
+        if (component != null) {
+            ub.queryParam("component", component);
+        }
+        if (owner != null) {
+            ub.queryParam("owner", owner);
+        }
 
         Link.Builder lb = Link.fromUri(ub.build());
         lb.rel(rel);
@@ -90,7 +99,7 @@ public class DcaeServiceTypesApi {
     @io.swagger.annotations.ApiResponses(value = {
             @io.swagger.annotations.ApiResponse(code = 200, message = "List of `DCAEServiceType` objects", response = InlineResponse200.class)})
     public Response dcaeServiceTypesGet(
-            @ApiParam(value = "Filter by service type name") @QueryParam("typeName") String typeName,
+            @ApiParam(value = "Filter by service type name. Wildcards matches with asterick(s) allowed.") @QueryParam("typeName") String typeName,
             @ApiParam(value = "If set to true, query returns just the latest versions of DCAE service types. If set to false, then all versions are returned. Default is true")
                 @DefaultValue("true") @QueryParam("onlyLatest") Boolean onlyLatest,
             @ApiParam(value = "If set to true, query returns only *active* DCAE service types. If set to false, then all DCAE service types are returned. Default is true")
@@ -106,10 +115,14 @@ public class DcaeServiceTypesApi {
             @ApiParam(value = "Filter by associated asdc design resource id. Setting this to `NONE` will return instances that have asdc resource id set to null")
                 @QueryParam("asdcResourceId") String asdcResourceId,
             @ApiParam(value = "Query resultset offset used for pagination (zero-based)") @QueryParam("offset") Integer offset,
-            @Context SecurityContext securityContext)
+            @Context SecurityContext securityContext,
+            @ApiParam(value = "Filter by associated application.") @QueryParam("application") String application,    
+            @ApiParam(value = "Filter by associated component or sub-application module.") @QueryParam("component") String component,    
+            @ApiParam(value = "Filter by associated owner.") @QueryParam("owner") String owner
+              )
             throws NotFoundException {
         return delegate.dcaeServiceTypesGet(typeName, onlyLatest, onlyActive, vnfType, serviceId, serviceLocation,
-                asdcServiceId, asdcResourceId, offset, uriInfo, securityContext);
+                asdcServiceId, asdcResourceId, offset, uriInfo, securityContext, application, component, owner);
     }
 
     public static Link buildLinkForGet(UriInfo uriInfo, String rel, String typeId) {
diff --git a/src/gen/java/io/swagger/api/DcaeServiceTypesApiService.java b/src/gen/java/io/swagger/api/DcaeServiceTypesApiService.java
index afc7476..ab2bc64 100644
--- a/src/gen/java/io/swagger/api/DcaeServiceTypesApiService.java
+++ b/src/gen/java/io/swagger/api/DcaeServiceTypesApiService.java
@@ -31,7 +31,8 @@ public abstract class DcaeServiceTypesApiService {
       public abstract Response dcaeServiceTypesGet(String typeName, Boolean onlyLatest, Boolean onlyActive,
                                                    String vnfType, String serviceId, String serviceLocation,
                                                    String asdcServiceId, String asdcResourceId,
-                                                   Integer offset, UriInfo uriInfo, SecurityContext securityContext)
+                                                   Integer offset, UriInfo uriInfo, SecurityContext securityContext, 
+                                                   String application, String component, String owner)
       throws NotFoundException;
       public abstract Response dcaeServiceTypesTypeIdGet(String typeId, UriInfo uriInfo, SecurityContext securityContext)
       throws NotFoundException;
diff --git a/src/gen/java/io/swagger/model/DCAEServiceTypeRequest.java b/src/gen/java/io/swagger/model/DCAEServiceTypeRequest.java
index 7cd3577..83b7949 100644
--- a/src/gen/java/io/swagger/model/DCAEServiceTypeRequest.java
+++ b/src/gen/java/io/swagger/model/DCAEServiceTypeRequest.java
@@ -53,6 +53,8 @@ public class DCAEServiceTypeRequest {
     private String asdcServiceId = null;
     private String asdcResourceId = null;
     private String asdcServiceURL = null;
+    private String application = null;
+    private String component = null;
 
 
     /**
@@ -72,6 +74,26 @@ public class DCAEServiceTypeRequest {
     public void setOwner(String owner) {
         this.owner = owner;
     }
+    
+    @ApiModelProperty(required = false, value = "Application associated or that added this DCAE service type.")
+    @JsonProperty("application")
+    public String getApplication() {
+        return application;
+    }
+
+    public void setApplication(String application) {
+        this.application = application;
+    }
+    
+    @ApiModelProperty(required = false, value = "Component or sub-application module associated or that added this DCAE service type.")
+    @JsonProperty("component")
+    public String getComponent() {
+        return component;
+    }
+
+    public void setComponent(String component) {
+        this.component = component;
+    }
 
 
     @ApiModelProperty(required = true, value = "Descriptive name for this DCAE service type")
@@ -192,13 +214,15 @@ public class DCAEServiceTypeRequest {
         }
         DCAEServiceTypeRequest dCAEServiceTypeRequest = (DCAEServiceTypeRequest) o;
         return Objects.equals(owner, dCAEServiceTypeRequest.owner) &&
+                Objects.equals(application, dCAEServiceTypeRequest.application) &&
+                Objects.equals(component, dCAEServiceTypeRequest.component) &&
                 Objects.equals(vnfTypes, dCAEServiceTypeRequest.vnfTypes) &&
                 Objects.equals(blueprintTemplate, dCAEServiceTypeRequest.blueprintTemplate);
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(owner, vnfTypes, blueprintTemplate);
+        return Objects.hash(owner, application, component, vnfTypes, blueprintTemplate);
     }
 
     @Override
@@ -207,6 +231,8 @@ public class DCAEServiceTypeRequest {
         sb.append("class DCAEServiceTypeRequest {\n");
 
         sb.append("    owner: ").append(toIndentedString(owner)).append("\n");
+        sb.append("    application: ").append(toIndentedString(application)).append("\n");
+        sb.append("    component: ").append(toIndentedString(component)).append("\n");
         sb.append("    vnfTypes: ").append(toIndentedString(vnfTypes)).append("\n");
         sb.append("    blueprintTemplate: ").append(toIndentedString(blueprintTemplate)).append("\n");
         sb.append("}");
diff --git a/src/main/java/io/swagger/api/impl/DcaeServiceTypesApiServiceImpl.java b/src/main/java/io/swagger/api/impl/DcaeServiceTypesApiServiceImpl.java
index feafd20..13f1540 100644
--- a/src/main/java/io/swagger/api/impl/DcaeServiceTypesApiServiceImpl.java
+++ b/src/main/java/io/swagger/api/impl/DcaeServiceTypesApiServiceImpl.java
@@ -58,6 +58,8 @@ public class DcaeServiceTypesApiServiceImpl extends DcaeServiceTypesApiService {
         serviceType.setTypeName(serviceTypeObject.getTypeName());
         serviceType.setTypeVersion(serviceTypeObject.getTypeVersion());
         serviceType.setOwner(serviceTypeObject.getOwner());
+        serviceType.setApplication(serviceTypeObject.getApplication());
+        serviceType.setComponent(serviceTypeObject.getComponent());
         serviceType.setVnfTypes(serviceTypeObject.getVnfTypes());
         serviceType.setServiceIds(serviceTypeObject.getServiceIds());
         serviceType.setServiceLocations(serviceTypeObject.getServiceLocations());
@@ -76,7 +78,9 @@ public class DcaeServiceTypesApiServiceImpl extends DcaeServiceTypesApiService {
     @Override
     public Response dcaeServiceTypesGet(String typeName, Boolean onlyLatest, Boolean onlyActive, String vnfType,
                                         String serviceId, String serviceLocation, String asdcServiceId,
-                                        String asdcResourceId, Integer offset, UriInfo uriInfo, SecurityContext securityContext)
+                                        String asdcResourceId, Integer offset,
+                                        UriInfo uriInfo, SecurityContext securityContext,
+                                        String application, String component, String owner)
             throws NotFoundException {
         List<DCAEServiceTypeObject> serviceTypeObjects = new ArrayList<>();
 
@@ -100,7 +104,7 @@ public class DcaeServiceTypesApiServiceImpl extends DcaeServiceTypesApiService {
                     whereClauses.add(":typeName = type_name");
                 }
                 else {
-           	        typeName = typeName.replaceAll("\\*", "%");
+                    typeName = typeName.replaceAll("\\*", "%");
                     whereClauses.add("type_name LIKE :typeName");
                 }                
             }
@@ -116,14 +120,14 @@ public class DcaeServiceTypesApiServiceImpl extends DcaeServiceTypesApiService {
             if (serviceLocation != null) {
                 whereClauses.add("(:serviceLocation = any(service_locations) or service_locations = \'{}\' or service_locations is null)");
             }
-
+            
             if (asdcServiceId != null) {
                 if (asdcServiceId.equalsIgnoreCase("NONE")) {
                     whereClauses.add("asdc_service_id is null");
                 } else {
                     whereClauses.add(":asdcServiceId = asdc_service_id");
                 }
-            }
+            }                       
 
             if (asdcResourceId != null) {
                 if (asdcResourceId.equalsIgnoreCase("NONE")) {
@@ -132,6 +136,18 @@ public class DcaeServiceTypesApiServiceImpl extends DcaeServiceTypesApiService {
                     whereClauses.add(":asdcResourceId = asdc_resource_id");
                 }
             }
+            
+            if (owner != null) {
+                whereClauses.add(":owner = owner");
+            }
+            
+            if (application != null) {
+                whereClauses.add(":application = application");
+            }
+
+            if (component != null) {
+                whereClauses.add(":component = component");
+            }
 
             whereClauses.add("created < :createdCutoff");
 
@@ -174,6 +190,18 @@ public class DcaeServiceTypesApiServiceImpl extends DcaeServiceTypesApiService {
             if (asdcResourceId != null && !"NONE".equalsIgnoreCase(asdcResourceId)) {
                 query.bind("asdcResourceId", asdcResourceId);
             }
+            
+            if (application != null) {
+                query.bind("application", application);
+            }
+            
+            if (component != null) {
+                query.bind("component", component);
+            }
+            
+            if (owner != null) {
+                query.bind("owner", owner);
+            }
 
             query.bind("createdCutoff", createdCutoff);
 
@@ -205,14 +233,14 @@ public class DcaeServiceTypesApiServiceImpl extends DcaeServiceTypesApiService {
 
         if (offsetPrev >= 0) {
             navigationLinks.setPreviousLink(DcaeServiceTypesApi.buildLinkForGet(uriInfo, "prev", typeName, onlyLatest,
-                    onlyActive, vnfType, serviceId, serviceLocation, asdcServiceId, asdcResourceId, offsetPrev));
+                    onlyActive, vnfType, serviceId, serviceLocation, asdcServiceId, asdcResourceId, offsetPrev, application, component, owner));
         }
 
         Integer offsetNext = offset + PAGINATION_PAGE_SIZE;
 
         if (offsetNext < totalCount) {
             navigationLinks.setNextLink(DcaeServiceTypesApi.buildLinkForGet(uriInfo, "next", typeName, onlyLatest,
-                    onlyActive, vnfType, serviceId, serviceLocation, asdcServiceId, asdcResourceId, offsetNext));
+                    onlyActive, vnfType, serviceId, serviceLocation, asdcServiceId, asdcResourceId, offsetNext, application, component, owner));
         }
 
         response.setLinks(navigationLinks);
@@ -251,6 +279,8 @@ public class DcaeServiceTypesApiServiceImpl extends DcaeServiceTypesApiService {
         serviceTypeObject.setTypeName(request.getTypeName());
         serviceTypeObject.setTypeVersion(request.getTypeVersion());
         serviceTypeObject.setOwner(request.getOwner());
+        serviceTypeObject.setApplication(request.getApplication());
+        serviceTypeObject.setComponent(request.getComponent());
         serviceTypeObject.setBlueprintTemplate(request.getBlueprintTemplate());
         serviceTypeObject.setVnfTypes(request.getVnfTypes());
         serviceTypeObject.setServiceIds(request.getServiceIds());
diff --git a/src/main/java/org/onap/dcae/inventory/daos/DCAEServiceTypesDAO.java b/src/main/java/org/onap/dcae/inventory/daos/DCAEServiceTypesDAO.java
index aa242a4..770661c 100644
--- a/src/main/java/org/onap/dcae/inventory/daos/DCAEServiceTypesDAO.java
+++ b/src/main/java/org/onap/dcae/inventory/daos/DCAEServiceTypesDAO.java
@@ -42,6 +42,14 @@ public interface DCAEServiceTypesDAO extends InventoryDAO {
     @SqlQuery("select exists (select * from information_schema.tables where table_name = \'dcae_service_types\')")
     @Override
     Boolean checkIfTableExists();
+    
+    @SqlQuery("select exists (select * from information_schema.columns where table_name = \'dcae_service_types\' and column_name=\'application\')")
+    @Override
+    Boolean checkIfApplicationColumnExists();
+    
+    @SqlQuery("select exists (select * from information_schema.columns where table_name = \'dcae_service_types\' and column_name=\'component\')")
+    @Override
+    Boolean checkIfComponentColumnExists();
 
     /**
      * Note that service_ids and service_locations are nullable fields. This might not be the right decision but because
@@ -50,20 +58,28 @@ public interface DCAEServiceTypesDAO extends InventoryDAO {
     @SqlUpdate("create table dcae_service_types (type_id varchar not null, type_version integer not null, " +
             "type_name varchar not null, owner varchar not null, blueprint_template text not null, " +
             "vnf_types varchar[] not null, service_ids varchar[], service_locations varchar[], " +
-            "asdc_service_id varchar, asdc_resource_id varchar, " +
+            "asdc_service_id varchar, asdc_resource_id varchar, application varchar, component varchar, " +
             "created timestamp not null, deactivated timestamp, constraint pk_type_created primary key (type_id))")
     @Override
     void createTable();
+    
+    @SqlUpdate("alter table dcae_service_types add column application varchar")
+    @Override
+    void updateTableToAddApplicationCol();
+    
+    @SqlUpdate("alter table dcae_service_types add column component varchar")
+    @Override
+    void updateTableToAddComponentCol();
 
     // REVIEW: asdcServiceId and asdcResourceId is implicitly part of the unique key and thus shouldn't be updated.
-    @SqlUpdate("insert into dcae_service_types(type_id, type_version, type_name, owner, blueprint_template, vnf_types, " +
+    @SqlUpdate("insert into dcae_service_types(type_id, type_version, type_name, owner, application, component, blueprint_template, vnf_types, " +
             "service_ids, service_locations, asdc_service_id, asdc_resource_id, created, deactivated) " +
-            "values (:typeId, :typeVersion, :typeName, :owner, :blueprintTemplate, :vnfTypes, :serviceIds, " +
+            "values (:typeId, :typeVersion, :typeName, :owner, :application, :component, :blueprintTemplate, :vnfTypes, :serviceIds, " +
             ":serviceLocations, :asdcServiceId, :asdcResourceId, :created, null)")
     void insert(@BindBean DCAEServiceTypeObject serviceObject);
 
     @SqlUpdate("update dcae_service_types set " +
-            "owner = :owner, blueprint_template = :blueprintTemplate, vnf_types = :vnfTypes, " +
+            "owner = :owner, application = :application, component = :component, blueprint_template = :blueprintTemplate, vnf_types = :vnfTypes, " +
             "service_ids = :serviceIds, service_locations = :serviceLocations, created = :created, " +
             "deactivated = null where type_id = :typeId")
     void update(@BindBean DCAEServiceTypeObject serviceObject);
diff --git a/src/main/java/org/onap/dcae/inventory/daos/InventoryDAO.java b/src/main/java/org/onap/dcae/inventory/daos/InventoryDAO.java
index a369cb1..e678b60 100644
--- a/src/main/java/org/onap/dcae/inventory/daos/InventoryDAO.java
+++ b/src/main/java/org/onap/dcae/inventory/daos/InventoryDAO.java
@@ -25,5 +25,9 @@ package org.onap.dcae.inventory.daos;
  */
 public interface InventoryDAO {
     Boolean checkIfTableExists();
+    Boolean checkIfApplicationColumnExists();
+    Boolean checkIfComponentColumnExists();
     void createTable();
+    void updateTableToAddApplicationCol();
+    void updateTableToAddComponentCol();
 }
diff --git a/src/main/java/org/onap/dcae/inventory/daos/InventoryDAOManager.java b/src/main/java/org/onap/dcae/inventory/daos/InventoryDAOManager.java
index b809d2d..5bdecfe 100644
--- a/src/main/java/org/onap/dcae/inventory/daos/InventoryDAOManager.java
+++ b/src/main/java/org/onap/dcae/inventory/daos/InventoryDAOManager.java
@@ -101,6 +101,8 @@ public final class InventoryDAOManager {
         final DBI jdbi_local = factory.build(this.environment, this.configuration.getDataSourceFactory(), "dcae-database");
         jdbi_local.registerArgumentFactory(new StringListArgument());
 
+        boolean recreateDcaeServiceTypesView = false;
+        
         for (Class<? extends InventoryDAO> daoClass : DAO_CLASSES) {
             final InventoryDAO dao = jdbi_local.onDemand(daoClass);
 
@@ -110,6 +112,23 @@ public final class InventoryDAOManager {
                 dao.createTable();
                 debugLogger.info(String.format("Sql table created: %s", daoClass.getSimpleName()));
             }
+            // dcae_service_types DB table has been enhanced to include 2 new columns which need to be added if they don't already exist
+            if ( daoClass.getSimpleName().equals("DCAEServiceTypesDAO") ) {
+            if (dao.checkIfApplicationColumnExists()) {
+               debugLogger.info(String.format("ApplicationColumn exists: %s", daoClass.getSimpleName()));
+            } else {
+               dao.updateTableToAddApplicationCol();
+               debugLogger.info(String.format("ApplicationColumn created: %s", daoClass.getSimpleName()+".updateTableToAddApplicationCol()" ));
+               recreateDcaeServiceTypesView = true;
+            }
+            if (dao.checkIfComponentColumnExists()) {
+               debugLogger.info(String.format("ComponentColumn exists: %s", daoClass.getSimpleName()));
+            } else {
+               dao.updateTableToAddComponentCol();;
+               debugLogger.info(String.format("ComponentColumn created: %s", daoClass.getSimpleName()+".updateTableToAddComponentCol()"));
+               recreateDcaeServiceTypesView = true;
+            } 
+         }
         }
 
         // CREATE VIEWS
@@ -119,7 +138,16 @@ public final class InventoryDAOManager {
             String checkQuery = String.format("select exists (select * from information_schema.tables where table_name = '%s')",
                     viewName);
 
-            if (jdbiHandle.createQuery(checkQuery).map(BooleanMapper.FIRST).first()) {
+            boolean viewExists = jdbiHandle.createQuery(checkQuery).map(BooleanMapper.FIRST).first();
+            
+            // if the view exists and the 2 new dcae_service_types DB table columns: application and component need to be added
+            // we need to re-create the view by deleting it first
+            if (viewExists && recreateDcaeServiceTypesView) {
+               debugLogger.info(String.format("Need to delete existing Sql view: %s", viewName));
+               jdbiHandle.execute(String.format("drop view %s ", viewName));
+            }
+            
+            if (viewExists) {
                 debugLogger.info(String.format("Sql view exists: %s", viewName));
             } else {
                 StringBuilder sb = new StringBuilder(String.format("create view %s as ", viewName));
diff --git a/src/main/java/org/onap/dcae/inventory/dbthings/mappers/DCAEServiceTypeObjectMapper.java b/src/main/java/org/onap/dcae/inventory/dbthings/mappers/DCAEServiceTypeObjectMapper.java
index bda4423..a7e2249 100644
--- a/src/main/java/org/onap/dcae/inventory/dbthings/mappers/DCAEServiceTypeObjectMapper.java
+++ b/src/main/java/org/onap/dcae/inventory/dbthings/mappers/DCAEServiceTypeObjectMapper.java
@@ -43,6 +43,8 @@ public class DCAEServiceTypeObjectMapper implements ResultSetMapper<DCAEServiceT
         object.setTypeName(resultSet.getString("type_name"));
         object.setTypeVersion(resultSet.getInt("type_version"));
         object.setOwner(resultSet.getString("owner"));
+        object.setApplication(resultSet.getString("application"));
+        object.setComponent(resultSet.getString("component"));
         String[] vnfTypes = (String[]) resultSet.getArray("vnf_types").getArray();
         object.setVnfTypes(Arrays.asList(vnfTypes));
 
diff --git a/src/main/java/org/onap/dcae/inventory/dbthings/models/DCAEServiceTypeObject.java b/src/main/java/org/onap/dcae/inventory/dbthings/models/DCAEServiceTypeObject.java
index f264c99..3c86138 100644
--- a/src/main/java/org/onap/dcae/inventory/dbthings/models/DCAEServiceTypeObject.java
+++ b/src/main/java/org/onap/dcae/inventory/dbthings/models/DCAEServiceTypeObject.java
@@ -36,6 +36,8 @@ public class DCAEServiceTypeObject {
     private Integer typeVersion = null;
     private String blueprintTemplate = null;
     private String owner = null;
+    private String application = null;
+    private String component = null;
     private List<String> vnfTypes = null;
     private List<String> serviceIds = null;
     private List<String> serviceLocations = null;
@@ -83,6 +85,22 @@ public class DCAEServiceTypeObject {
     public void setOwner(String owner) {
         this.owner = owner;
     }
+    
+    public String getApplication() {
+        return application;
+    }
+
+    public void setApplication(String application) {
+        this.application = application;
+    }
+    
+    public String getComponent() {
+        return component;
+    }
+
+    public void setComponent(String component) {
+        this.component = component;
+    }
 
     public List<String> getVnfTypes() {
         return vnfTypes;
diff --git a/swagger_inventory.yaml b/swagger_inventory.yaml
index c18419c..e1ca695 100644
--- a/swagger_inventory.yaml
+++ b/swagger_inventory.yaml
@@ -17,7 +17,7 @@
 # ECOMP is a trademark and service mark of AT&T Intellectual Property.
 swagger: '2.0'
 info:
-  version: "3.0.0"
+  version: "3.1.0"
   title: DCAE Inventory API
   description: |
     DCAE Inventory is a web service that provides the following:
@@ -99,6 +99,21 @@ paths:
         required: false
         type: "integer"
         format: "int32"
+      - name: "owner"
+        in: "query"
+        description: "Filter by owner name"
+        required: false
+        type: "string"  
+      - name: "application"
+        in: "query"
+        description: "Filter by application name"
+        required: false
+        type: "string"
+      - name: "component"
+        in: "query"
+        description: "Filter by component name"
+        required: false
+        type: "string"    
       responses:
         200:
           description: "List of `DCAEServiceType` objects"
@@ -352,6 +367,10 @@ definitions:
     properties:
       owner:
         type: "string"
+      application:
+        type: "string"
+      component:
+        type: "string"    
       typeName:
         type: "string"
         description: "Descriptive name for this DCAE service type"
@@ -625,6 +644,10 @@ definitions:
     properties:
       owner:
         type: "string"
+      application:
+        type: "string"
+      component:
+        type: "string"    
       typeName:
         type: "string"
         description: "Descriptive name for this DCAE service type"
diff --git a/version.properties b/version.properties
index d096cfd..ed42494 100644
--- a/version.properties
+++ b/version.properties
@@ -2,8 +2,8 @@
 # Note that these variables cannot be structured (e.g. : version.release or version.snapshot etc... )

 # because they are used in Jenkins, whose plug-in doesn't support

 major=3

-minor=0

-patch=4

+minor=1

+patch=0

 base_version=${major}.${minor}.${patch}

 # Release must be completed with git revision # in Jenkins