Bug 6986: Yang parser system test

[yangtools.git] / yang / yang-system-test / src / main / java / org / opendaylight / yangtools / yang / parser / system / test / Main.java

diff --git a/yang/yang-system-test/src/main/java/org/opendaylight/yangtools/yang/parser/system/test/Main.java b/yang/yang-system-test/src/main/java/org/opendaylight/yangtools/yang/parser/system/test/Main.java
new file mode 100644 (file)
index 0000000..1d2c425
--- /dev/null
+++ b/yang/yang-system-test/src/main/java/org/opendaylight/yangtools/yang/parser/system/test/Main.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.yang.parser.system.test;
+
+import com.google.common.base.Stopwatch;
+import java.io.FileNotFoundException;
+import java.net.URISyntaxException;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
+import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Main class of Yang parser system test.
+ */
+public class Main {
+    private static final Logger LOG = LoggerFactory.getLogger(Main.class);
+    private static final int MB = 1024 * 1024;
+    private static final String DEFAULT_YANG_DIR_PATH = "./src/main/yang";
+
+    public static void main(final String[] args) throws SourceException, FileNotFoundException, ReactorException,
+            URISyntaxException {
+        final String yangDirPath = args.length == 1 ? args[0] : DEFAULT_YANG_DIR_PATH;
+        LOG.info("Yang models dir path: {} ", yangDirPath);
+        SchemaContext context = null;
+        printMemoryInfo("start");
+        final Stopwatch stopWatch = Stopwatch.createStarted();
+        try {
+            context = YangParserUtils.parseYangSources(yangDirPath);
+        } catch (final Exception e) {
+            LOG.error("Failed to create SchemaContext.", e);
+            System.exit(1);
+        }
+        stopWatch.stop();
+        LOG.info("Elapsed time: {}", stopWatch);
+        printMemoryInfo("end");
+        LOG.info("SchemaContext resolved Successfully. {}", context);
+        Runtime.getRuntime().gc();
+        printMemoryInfo("after gc");
+    }
+
+    private static void printMemoryInfo(final String info) {
+        LOG.info("Memory INFO [{}]: free {}MB, used {}MB, total {}MB, max {}MB", info, Runtime.getRuntime()
+                .freeMemory() / MB, (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) / MB,
+                Runtime.getRuntime().totalMemory() / MB, Runtime.getRuntime().maxMemory() / MB);
+    }
+}