external-postgres-endpoints: Added a Database::ensureDefault method to prevent certain operations on external databases.

Author: gpeb2

stack-clients/src/main/java/com/cmclinnovations/stack/clients/core/datasets/CityDB.java

@@ -64,6 +64,7 @@ protected void setPreviousFile(Path previousFilePath) {
     @Override
     void loadInternal(Dataset parent) {
         Database database = parent.getDatabase();
+        database.ensureDefault();
         String databaseName = database.getDatabaseName();
 
         super.loadInternal(parent);

stack-clients/src/main/java/com/cmclinnovations/stack/clients/core/datasets/DatasetLoader.java

@@ -209,6 +209,7 @@ private List<ServiceDescription> getServiceDescriptions(String datasetName) {
     private void configurePostgres(Dataset dataset, List<DataSubset> dataSubsets) {
         if (dataset.usesPostGIS()) {
             Database database = dataset.getDatabase();
+            database.ensureDefault();
             String databaseName = database.getDatabaseName();
             PostGISClient postGISClient = PostGISClient.getInstance();
             postGISClient.createDatabase(databaseName);

stack-clients/src/main/java/com/cmclinnovations/stack/clients/core/datasets/DatasetRemover.java

@@ -41,6 +41,7 @@ public void removeDataset(Dataset dataset) {
             serviceManager.removeService(StackClient.getStackName(), ontopServiceName);
 
             Database database = dataset.getDatabase();
+            database.ensureDefault();
             GeoServerClient geoServerClient = GeoServerClient.getInstance();
             String workspaceName = dataset.getWorkspaceName();
             // Ensure GeoServer workspace is removed

stack-clients/src/main/java/com/cmclinnovations/stack/clients/core/datasets/PostgresDataSubset.java

@@ -51,6 +51,7 @@ public boolean usesPostGIS() {
     @Override
     void loadInternal(Dataset parent) {
         Database database = parent.getDatabase();
+        database.ensureDefault();
         String databaseName = database.getDatabaseName();
         Optional<Path> subdirectory = this.getSubdirectory();
         if (subdirectory.isPresent()) {

stack-clients/src/main/java/com/cmclinnovations/stack/clients/postgis/Database.java

@@ -51,4 +51,10 @@ public String toString() {
         return databaseName;
     }
 
+    public void ensureDefault() {
+        if (EndpointNames.POSTGIS != getEndpointName()) {
+            throw new IllegalStateException("This class/method does not support non-default Postgres databases.");
+        }
+    }
+
 }