/**
* Helios, OpenSource Monitoring
* Brought to you by the Helios Development Group
*
* Copyright 2007, Helios Development Group and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*
*/
package org.helios.apmrouter.instrumentation;
import java.lang.annotation.*;
/**
* <p>Title: Trace</p>
* <p>Description: AOP instrumentation directive</p>
* <p>Company: Helios Development Group LLC</p>
* @author Whitehead (nwhitehead AT heliosdev DOT org)
* <p><code>org.helios.apmrouter.instrumentation.Trace</code></p>
*/
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface Trace {
/**
* Specifies a TXContext operation
*/
public TXDirective txcontext() default TXDirective.NOOP;
/**
* Specifies the metric name
*/
public String name() default "";
/**
* Specifies the metric name
*/
public String[] namespace() default {};
/**
* Specifies the runtime performance data points that will be measured on an intercepted method
*/
public TraceCollection[] collections() default {};
/**
* Specifies the dynamic script that an object reference will be passed to for trace processing.
*/
public String script() default "";
/**
* Defines an expression that navigates to an {@link AccessibleObjectReference} and extracts it, passing it on for trace processing
*/
public String accessible() default "";
}