org.adoptopenjdk.jitwatch.model.bytecode.UncommonTrap Maven / Gradle / Ivy

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A Maven plugin that scans the project artifact and its dependencies for methods that cannot be inlined by the JIT compiler. It uses the JarScan utility from the JITWatch project to do that. See https://github.com/AdoptOpenJDK/jitwatch .

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/*
 * Copyright (c) 2013-2015 Chris Newland.
 * Licensed under https://github.com/AdoptOpenJDK/jitwatch/blob/master/LICENSE-BSD
 * Instructions: https://github.com/AdoptOpenJDK/jitwatch/wiki
 */
package org.adoptopenjdk.jitwatch.model.bytecode;

import static org.adoptopenjdk.jitwatch.core.JITWatchConstants.ATTR_ACTION;
import static org.adoptopenjdk.jitwatch.core.JITWatchConstants.ATTR_BCI;
import static org.adoptopenjdk.jitwatch.core.JITWatchConstants.ATTR_COMMENT;
import static org.adoptopenjdk.jitwatch.core.JITWatchConstants.ATTR_REASON;

import org.adoptopenjdk.jitwatch.model.Tag;

public class UncommonTrap
{
	private int bci;
	private String reason;
	private String action;
	private String comment;

	public int getBCI()
	{
		return bci;
	}

	public String getReason()
	{
		return reason;
	}

	public String getAction()
	{
		return action;
	}

	public String getComment()
	{
		return comment;
	}

	public UncommonTrap(int bci, String reason, String action, String comment)
	{
		this.bci = bci;
		this.reason = reason;
		this.action = action;
		this.comment = comment;
	}

	public static UncommonTrap parse(Tag tag)
	{
		UncommonTrap trap = null;

		String bci = tag.getAttribute(ATTR_BCI);
		String reason = tag.getAttribute(ATTR_REASON);
		String action = tag.getAttribute(ATTR_ACTION);
		String comment = tag.getAttribute(ATTR_COMMENT);

		if (bci != null)
		{
			int bciValue = Integer.valueOf(bci);

			trap = new UncommonTrap(bciValue, reason, action, comment);
		}

		return trap;

	}

	@Override
	public String toString()
	{
		StringBuilder builder = new StringBuilder();

		builder.append("Uncommon trap");
		builder.append(" (");
		builder.append("reason:");
		builder.append(reason);
		builder.append(", action:");
		builder.append(action);

		if (comment != null)
		{
			builder.append(" comment:");
			builder.append(comment);
		}

		builder.append(")");

		return builder.toString();
	}

}