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      1 /*
      2  * Copyright (C) 2007 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.ddmlib;
     18 
     19 /**
     20  * Holds a thread information.
     21  */
     22 public final class ThreadInfo implements IStackTraceInfo {
     23     private int mThreadId;
     24     private String mThreadName;
     25     private int mStatus;
     26     private int mTid;
     27     private int mUtime;
     28     private int mStime;
     29     private boolean mIsDaemon;
     30     private StackTraceElement[] mTrace;
     31     private long mTraceTime;
     32 
     33     // priority?
     34     // total CPU used?
     35     // method at top of stack?
     36 
     37     /**
     38      * Construct with basic identification.
     39      */
     40     ThreadInfo(int threadId, String threadName) {
     41         mThreadId = threadId;
     42         mThreadName = threadName;
     43 
     44         mStatus = -1;
     45         //mTid = mUtime = mStime = 0;
     46         //mIsDaemon = false;
     47     }
     48 
     49     /**
     50      * Set with the values we get from a THST chunk.
     51      */
     52     void updateThread(int status, int tid, int utime, int stime, boolean isDaemon) {
     53 
     54         mStatus = status;
     55         mTid = tid;
     56         mUtime = utime;
     57         mStime = stime;
     58         mIsDaemon = isDaemon;
     59     }
     60 
     61     /**
     62      * Sets the stack call of the thread.
     63      * @param trace stackcall information.
     64      */
     65     void setStackCall(StackTraceElement[] trace) {
     66         mTrace = trace;
     67         mTraceTime = System.currentTimeMillis();
     68     }
     69 
     70     /**
     71      * Returns the thread's ID.
     72      */
     73     public int getThreadId() {
     74         return mThreadId;
     75     }
     76 
     77     /**
     78      * Returns the thread's name.
     79      */
     80     public String getThreadName() {
     81         return mThreadName;
     82     }
     83 
     84     void setThreadName(String name) {
     85         mThreadName = name;
     86     }
     87 
     88     /**
     89      * Returns the system tid.
     90      */
     91     public int getTid() {
     92         return mTid;
     93     }
     94 
     95     /**
     96      * Returns the VM thread status.
     97      */
     98     public int getStatus() {
     99         return mStatus;
    100     }
    101 
    102     /**
    103      * Returns the cumulative user time.
    104      */
    105     public int getUtime() {
    106         return mUtime;
    107     }
    108 
    109     /**
    110      * Returns the cumulative system time.
    111      */
    112     public int getStime() {
    113         return mStime;
    114     }
    115 
    116     /**
    117      * Returns whether this is a daemon thread.
    118      */
    119     public boolean isDaemon() {
    120         return mIsDaemon;
    121     }
    122 
    123     /*
    124      * (non-Javadoc)
    125      * @see com.android.ddmlib.IStackTraceInfo#getStackTrace()
    126      */
    127     public StackTraceElement[] getStackTrace() {
    128         return mTrace;
    129     }
    130 
    131     /**
    132      * Returns the approximate time of the stacktrace data.
    133      * @see #getStackTrace()
    134      */
    135     public long getStackCallTime() {
    136         return mTraceTime;
    137     }
    138 }
    139 
    140