bundles/org.apache.jasper.glassfish/src/org/apache/jasper/compiler/JspRuntimeContext.java
public void setBytecode(String name, byte[] bytecode) {
        if (bytecode == null) {
            bytecodes.remove(name);
            bytecodeBirthTimes.remove(name);
            return;
        }
        bytecodes.put(name, bytecode);
        bytecodeBirthTimes.put(name, Long.valueOf(System.currentTimeMillis()));
    }
public void setBytecode(String name, byte[] bytecode) {
        if (bytecode == null) {
            bytecodes.remove(name);
            bytecodeBirthTimes.remove(name);
            return;
        }
        bytecodes.put(name, bytecode);
        bytecodeBirthTimes.put(name, Long.valueOf(System.currentTimeMillis()));
    }
Save the bytecode for the class in a map.  The current time is noted.
@param name The name of the class
@param bytecode The bytecode in byte array