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.

2 files changed, 16 insertions, 0 deletions

diff --git a/opendc-trace/opendc-trace-bitbrains/src/main/kotlin/org/opendc/trace/bitbrains/BitbrainsExTraceFormat.kt b/opendc-trace/opendc-trace-bitbrains/src/main/kotlin/org/opendc/trace/bitbrains/BitbrainsExTraceFormat.kt
index 080b73de..20222c8a 100644
--- a/opendc-trace/opendc-trace-bitbrains/src/main/kotlin/org/opendc/trace/bitbrains/BitbrainsExTraceFormat.kt
+++ b/opendc-trace/opendc-trace-bitbrains/src/main/kotlin/org/opendc/trace/bitbrains/BitbrainsExTraceFormat.kt
@@ -42,6 +42,10 @@ public class BitbrainsExTraceFormat : TraceFormat {
      */
     override val name: String = "bitbrains-ex"
 
+    override fun create(path: Path) {
+        throw UnsupportedOperationException("Writing not supported for this format")
+    }
+
     override fun getTables(path: Path): List<String> = listOf(TABLE_RESOURCE_STATES)
 
     override fun getDetails(path: Path, table: String): TableDetails {
@@ -74,6 +78,10 @@ public class BitbrainsExTraceFormat : TraceFormat {
         }
     }
 
+    override fun newWriter(path: Path, table: String): TableWriter {
+        throw UnsupportedOperationException("Writing not supported for this format")
+    }
+
     /**
      * Construct a [TableReader] for reading over all resource state partitions.
      */
diff --git a/opendc-trace/opendc-trace-bitbrains/src/main/kotlin/org/opendc/trace/bitbrains/BitbrainsTraceFormat.kt b/opendc-trace/opendc-trace-bitbrains/src/main/kotlin/org/opendc/trace/bitbrains/BitbrainsTraceFormat.kt
index 1573726f..3885c931 100644
--- a/opendc-trace/opendc-trace-bitbrains/src/main/kotlin/org/opendc/trace/bitbrains/BitbrainsTraceFormat.kt
+++ b/opendc-trace/opendc-trace-bitbrains/src/main/kotlin/org/opendc/trace/bitbrains/BitbrainsTraceFormat.kt
@@ -50,6 +50,10 @@ public class BitbrainsTraceFormat : 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 {
@@ -90,6 +94,10 @@ public class BitbrainsTraceFormat : TraceFormat {
         }
     }
 
+    override fun newWriter(path: Path, table: String): TableWriter {
+        throw UnsupportedOperationException("Writing not supported for this format")
+    }
+
     /**
      * Construct a [TableReader] for reading over all resource state partitions.
      */