[incubator-streampipes] 13/29: Add query element "Time Boundary" and corresponding parameter class

[eb...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

ebi pushed a commit to branch STREAMPIPES-349
in repository https://gitbox.apache.org/repos/asf/incubator-streampipes.git

commit c8ca2a67249a3491f8214babd85bda01410f8daa
Author: Daniel Ebi <eb...@fzi.de>
AuthorDate: Fri Jun 11 19:03:56 2021 +0200

    Add query element "Time Boundary" and corresponding parameter class
---
 .../dataexplorer/v4/params/TimeBoundaryParams.java | 43 ++++++++++++++++++++++
 .../v4/query/elements/TimeBoundary.java            | 40 ++++++++++++++++++++
 2 files changed, 83 insertions(+)

diff --git a/streampipes-data-explorer/src/main/java/org/apache/streampipes/dataexplorer/v4/params/TimeBoundaryParams.java b/streampipes-data-explorer/src/main/java/org/apache/streampipes/dataexplorer/v4/params/TimeBoundaryParams.java
new file mode 100644
index 0000000..c893829
--- /dev/null
+++ b/streampipes-data-explorer/src/main/java/org/apache/streampipes/dataexplorer/v4/params/TimeBoundaryParams.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF 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.apache.streampipes.dataexplorer.v4.params;
+
+public class TimeBoundaryParams extends QueryParamsV4 {
+
+    private final Long startDate;
+    private final Long endDate;
+
+    public static TimeBoundaryParams from(String measurementID, Long startDate, Long endDate) {
+        return new TimeBoundaryParams(measurementID, startDate, endDate);
+    }
+
+    protected TimeBoundaryParams(String measurementID, Long startDate, Long endDate) {
+        super(measurementID);
+        this.startDate = startDate;
+        this.endDate = endDate;
+    }
+
+    public Long getStartDate() {
+        return startDate;
+    }
+
+    public Long getEndDate() {
+        return endDate;
+    }
+}
diff --git a/streampipes-data-explorer/src/main/java/org/apache/streampipes/dataexplorer/v4/query/elements/TimeBoundary.java b/streampipes-data-explorer/src/main/java/org/apache/streampipes/dataexplorer/v4/query/elements/TimeBoundary.java
new file mode 100644
index 0000000..bae5f27
--- /dev/null
+++ b/streampipes-data-explorer/src/main/java/org/apache/streampipes/dataexplorer/v4/query/elements/TimeBoundary.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF 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.apache.streampipes.dataexplorer.v4.query.elements;
+
+import org.apache.streampipes.dataexplorer.v4.params.TimeBoundaryParams;
+import org.apache.streampipes.dataexplorer.v4.template.QueryTemplatesV4;
+
+public class TimeBoundary extends QueryElement<TimeBoundaryParams> {
+
+    public TimeBoundary(TimeBoundaryParams timeBoundaryParams) {
+        super(timeBoundaryParams);
+    }
+
+    @Override
+    protected String buildStatement(TimeBoundaryParams timeBoundaryParams) {
+        if (timeBoundaryParams.getStartDate() == null) {
+            return QueryTemplatesV4.whereTimeRightBound(timeBoundaryParams.getEndDate());
+        } else if (timeBoundaryParams.getEndDate() == null) {
+            return QueryTemplatesV4.whereTimeLeftBound(timeBoundaryParams.getStartDate());
+        } else {
+            return QueryTemplatesV4.whereTimeWithin(timeBoundaryParams.getStartDate(), timeBoundaryParams.getEndDate());
+        }
+    }
+}