feat(trace): Add support for writing traces

This change adds a new API for writing traces in a trace format.
Currently, writing is only supported by the OpenDC VM format, but over
time the other formats will also have support for writing added.

1 files changed, 8 insertions, 0 deletions

diff --git a/opendc-trace/opendc-trace-azure/src/main/kotlin/org/opendc/trace/azure/AzureTraceFormat.kt b/opendc-trace/opendc-trace-azure/src/main/kotlin/org/opendc/trace/azure/AzureTraceFormat.kt
index 77af0d81..253c7057 100644
--- a/opendc-trace/opendc-trace-azure/src/main/kotlin/org/opendc/trace/azure/AzureTraceFormat.kt
+++ b/opendc-trace/opendc-trace-azure/src/main/kotlin/org/opendc/trace/azure/AzureTraceFormat.kt
@@ -50,6 +50,10 @@ public class AzureTraceFormat : TraceFormat {
         .enable(CsvParser.Feature.ALLOW_COMMENTS)
         .enable(CsvParser.Feature.TRIM_SPACES)
 
+    override fun create(path: Path) {
+        throw UnsupportedOperationException("Writing not supported for this format")
+    }
+
     override fun getTables(path: Path): List<String> = listOf(TABLE_RESOURCES, TABLE_RESOURCE_STATES)
 
     override fun getDetails(path: Path, table: String): TableDetails {
@@ -83,6 +87,10 @@ public class AzureTraceFormat : TraceFormat {
         }
     }
 
+    override fun newWriter(path: Path, table: String): TableWriter {
+        throw UnsupportedOperationException("Writing not supported for this format")
+    }
+
     /**
      * Construct a [TableReader] for reading over all VM CPU readings.
      */