[PostGIS] Add PostGIS datastore (#112)

Author: earocorn

persistence/sensorhub-datastore-postgis/build.gradle

@@ -0,0 +1,42 @@
+description = 'OSH Datastore (PostGis)'
+ext.details = 'Storage module backed by a PostGis database'
+
+dependencies {
+  implementation 'org.sensorhub:sensorhub-core:' + oshCoreVersion
+  implementation 'org.sensorhub:sensorhub-service-consys'
+  embeddedImpl('org.postgresql:postgresql:42.7.7') {
+    exclude group: "org.slf4j", module: "slf4j-api"
+  }
+  embeddedImpl('net.postgis:postgis-jdbc:2021.1.0'){
+    exclude group: "org.slf4j", module: "slf4j-api"
+  }
+  embeddedImpl('com.zaxxer:HikariCP:5.0.1'){
+    exclude group: "org.slf4j", module: "slf4j-api"
+  }
+  embeddedImpl('com.github.ben-manes.caffeine:caffeine:3.1.7') {
+    exclude group: 'checker-qual', module: 'org.checkerframework'
+  }
+  testImplementation(testFixtures('org.sensorhub:sensorhub-core:' + oshCoreVersion))
+}
+
+// add info to OSGi manifest
+osgi {
+  manifest {
+    attributes('Bundle-Vendor': 'GeoRobotix Inc.')
+    attributes 'Bundle-Activator': 'org.sensorhub.impl.datastore.postgis.Activator'
+  }
+}
+
+// add info to maven pom
+ext.pom >>= {
+  developers {
+    developer {
+      id 'mdhsl'
+      name 'Mathieu Dhainaut'
+      organization 'GeoRobotix Inc.'
+      organizationUrl 'https://georobotix.com'
+    }
+  }
+}
+
+

persistence/sensorhub-datastore-postgis/src/main/java/org/sensorhub/impl/datastore/postgis/AbstractStreamStore.java

@@ -0,0 +1,49 @@
+/***************************** BEGIN LICENSE BLOCK ***************************
+
+ The contents of this file are subject to the Mozilla Public License, v. 2.0.
+ If a copy of the MPL was not distributed with this file, You can obtain one
+ at http://mozilla.org/MPL/2.0/.
+
+ Software distributed under the License is distributed on an "AS IS" basis,
+ WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ for the specific language governing rights and limitations under the License.
+
+ Copyright (C) 2023 Georobotix. All Rights Reserved.
+
+ ******************************* END LICENSE BLOCK ***************************/
+
+package org.sensorhub.impl.datastore.postgis;
+
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
+import org.sensorhub.api.data.IDataStreamInfo;
+import org.sensorhub.api.datastore.obs.IDataStreamStore;
+import org.sensorhub.api.datastore.system.ISystemDescStore;
+import org.sensorhub.impl.datastore.postgis.builder.QueryBuilder;
+
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+
+public abstract class AbstractStreamStore<T extends QueryBuilder> extends PostgisStore<T> implements IDataStreamStore  {
+
+    protected volatile Cache<Long, IDataStreamInfo> cache = CacheBuilder.newBuilder()
+            .maximumSize(150)
+            .expireAfterAccess(5, TimeUnit.MINUTES)
+            .build();
+
+    protected ISystemDescStore systemStore;
+
+    private final Lock lock = new ReentrantLock();
+
+    protected AbstractStreamStore(int idScope, IdProviderType dsIdProviderType, T queryBuilder) {
+        super(idScope, dsIdProviderType, queryBuilder);
+    }
+
+    @Override
+    public void linkTo(ISystemDescStore systemStore) {
+//        this.systemStore = Asserts.checkNotNull(systemStore, ISystemDescStore.class);
+//        queryBuilder.linkTo(this.systemStore);
+    }
+
+}

persistence/sensorhub-datastore-postgis/src/main/java/org/sensorhub/impl/datastore/postgis/Activator.java

@@ -0,0 +1,23 @@
+/***************************** BEGIN LICENSE BLOCK ***************************
+
+ The contents of this file are subject to the Mozilla Public License, v. 2.0.
+ If a copy of the MPL was not distributed with this file, You can obtain one
+ at http://mozilla.org/MPL/2.0/.
+
+ Software distributed under the License is distributed on an "AS IS" basis,
+ WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ for the specific language governing rights and limitations under the License.
+
+ Copyright (C) 2023 Georobotix. All Rights Reserved.
+
+ ******************************* END LICENSE BLOCK ***************************/
+
+package org.sensorhub.impl.datastore.postgis;
+
+import org.osgi.framework.BundleActivator;
+import org.sensorhub.utils.OshBundleActivator;
+
+
+public class Activator extends OshBundleActivator implements BundleActivator
+{
+}

persistence/sensorhub-datastore-postgis/src/main/java/org/sensorhub/impl/datastore/postgis/IPostgisStore.java

@@ -0,0 +1,18 @@
+/***************************** BEGIN LICENSE BLOCK ***************************
+
+ The contents of this file are subject to the Mozilla Public License, v. 2.0.
+ If a copy of the MPL was not distributed with this file, You can obtain one
+ at http://mozilla.org/MPL/2.0/.
+
+ Software distributed under the License is distributed on an "AS IS" basis,
+ WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ for the specific language governing rights and limitations under the License.
+
+ Copyright (C) 2023 Georobotix. All Rights Reserved.
+
+ ******************************* END LICENSE BLOCK ***************************/
+
+package org.sensorhub.impl.datastore.postgis;
+
+public class IPostgisStore {
+}

persistence/sensorhub-datastore-postgis/src/main/java/org/sensorhub/impl/datastore/postgis/IdProviderType.java

@@ -0,0 +1,20 @@
+/***************************** BEGIN LICENSE BLOCK ***************************
+
+ The contents of this file are subject to the Mozilla Public License, v. 2.0.
+ If a copy of the MPL was not distributed with this file, You can obtain one
+ at http://mozilla.org/MPL/2.0/.
+
+ Software distributed under the License is distributed on an "AS IS" basis,
+ WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ for the specific language governing rights and limitations under the License.
+
+ Copyright (C) 2023 Georobotix. All Rights Reserved.
+
+ ******************************* END LICENSE BLOCK ***************************/
+
+package org.sensorhub.impl.datastore.postgis;
+
+public enum IdProviderType {
+    SEQUENTIAL,
+    UID_HASH
+}

persistence/sensorhub-datastore-postgis/src/main/java/org/sensorhub/impl/datastore/postgis/PostgisDatabaseConfig.java

@@ -0,0 +1,35 @@
+/***************************** BEGIN LICENSE BLOCK ***************************
+
+ The contents of this file are subject to the Mozilla Public License, v. 2.0.
+ If a copy of the MPL was not distributed with this file, You can obtain one
+ at http://mozilla.org/MPL/2.0/.
+
+ Software distributed under the License is distributed on an "AS IS" basis,
+ WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ for the specific language governing rights and limitations under the License.
+
+ Copyright (C) 2023 Georobotix. All Rights Reserved.
+
+ ******************************* END LICENSE BLOCK ***************************/
+
+package org.sensorhub.impl.datastore.postgis;
+
+import org.sensorhub.api.database.DatabaseConfig;
+
+
+/**
+ * <p>
+ * Base config class for PostGis based database modules
+ * </p>
+ *
+ * @author Mathieu Dhainaut
+ * @date Jul 25, 2023
+ */
+public abstract class PostgisDatabaseConfig extends DatabaseConfig
+{
+    public PostgisDatabaseConfig()
+    {
+        this.moduleClass = PostgisObsSystemDatabase.class.getCanonicalName();
+    }
+
+}