2006-07-02 Andrew John Hughes <gnu_andrew@member.fsf.org>generics-merge-20060702

	* NEWS:
	Updated to include VMCompilationMXBeanImpl.
	* doc/vmintegration.texinfo:
	Likewise, along with update to VMMemoryMXBeanImpl
	as below.
	* examples/gnu/classpath/examples/management/TestCompilation.java,
	* gnu/java/lang/management/CompilationMXBeanImpl.java,
	* java/lang/management/CompilationMXBeanImpl.java:
	New files.
	* java/lang/management/ManagementFactory.java:
	(getCompilationMXBean()): Implemented.
	* vm/reference/gnu/java/lang/management/VMCompilationMXBeanImpl.java:
	New file.
	* vm/reference/gnu/java/lang/management/VMMemoryMXBeanImpl.java:
	(getHeapMemoryUsage()): Added default implementation.

1 files changed, 89 insertions, 0 deletions

diff --git a/gnu/java/lang/management/CompilationMXBeanImpl.java b/gnu/java/lang/management/CompilationMXBeanImpl.java
new file mode 100644
index 000000000..044150fae
--- /dev/null
+++ b/gnu/java/lang/management/CompilationMXBeanImpl.java
@@ -0,0 +1,89 @@
+/* CompilationMXBeanImpl.java - Implementation of a compilation bean
+   Copyright (C) 2006 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.java.lang.management;
+
+import gnu.classpath.SystemProperties;
+
+import java.lang.management.CompilationMXBean;
+
+/**
+ * Provides access to information about the JIT 
+ * compiler of the virtual machine, if one exists.
+ * Instances of this bean are obtained by calling
+ * {@link ManagementFactory#getCompilationMXBean()},
+ * if this is the case.
+ *
+ * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
+ * @since 1.5
+ */
+public final class CompilationMXBeanImpl
+  extends BeanImpl
+  implements CompilationMXBean
+{
+
+  /**
+   * Constant for compiler name.
+   */
+  private static final String COMPILER_NAME = "gnu.java.compiler.name";
+
+  /**
+   * Constant for compilation time support.
+   */
+  private static final String COMPILATION_TIME_SUPPORT = 
+    "gnu.java.lang.management.CompilationTimeSupport";
+
+  public String getName()
+  {
+    return SystemProperties.getProperty(COMPILER_NAME);
+  }
+  
+  public boolean isCompilationTimeMonitoringSupported()
+  {
+    return SystemProperties.getProperty(COMPILATION_TIME_SUPPORT) != null;
+  }
+
+  public long getTotalCompilationTime()
+  {
+    if (isCompilationTimeMonitoringSupported())
+      return VMCompilationMXBeanImpl.getTotalCompilationTime();
+    else
+      throw new UnsupportedOperationException("Compilation time monitoring "
+					      + "is not supported");
+  }
+
+}