feat(trace): Add API for trace reading

This change introduces a new OpenDC API for reading various trace
formats in a streaming manner.

1 files changed, 53 insertions, 0 deletions

diff --git a/opendc-trace/opendc-trace-api/src/main/kotlin/org/opendc/trace/Table.kt b/opendc-trace/opendc-trace-api/src/main/kotlin/org/opendc/trace/Table.kt
new file mode 100644
index 00000000..11e5d6b7
--- /dev/null
+++ b/opendc-trace/opendc-trace-api/src/main/kotlin/org/opendc/trace/Table.kt
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2021 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package org.opendc.trace
+
+/**
+ * A table is collection of rows consisting of typed columns.
+ */
+public interface Table {
+    /**
+     * The name of the table.
+     */
+    public val name: String
+
+    /**
+     * A flag to indicate that the table is synthetic (derived from another table).
+     */
+    public val isSynthetic: Boolean
+
+    /**
+     * Determine whether the specified [column] is supported by this table.
+     */
+    public fun isSupported(column: TableColumn<*>): Boolean
+
+    /**
+     * Open a [TableReader] for this table.
+     */
+    public fun newReader(): TableReader
+
+    /**
+     * Open a [TableReader] for [partition] of the table.
+     */
+    public fun newReader(partition: String): TableReader
+}