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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.util;
/**
* Logging access for platform metrics.
*
* <p>This is <b>not</b> the main "logcat" debugging log ({@link android.util.Log})!
* These diagnostic stats are for system integrators, not application authors.
*
* <p>Stats use integer tag codes.
* They carry a payload of one or more int, long, or String values.
* @hide
*/
public class StatsLog {
/** @hide */ public StatsLog() {}
private static final String TAG = "StatsLog";
// We assume that the native methods deal with any concurrency issues.
/**
* Records an stats log message.
* @param tag The stats type tag code
* @param value A value to log
* @return The number of bytes written
*/
public static native int writeInt(int tag, int value);
/**
* Records an stats log message.
* @param tag The stats type tag code
* @param value A value to log
* @return The number of bytes written
*/
public static native int writeLong(int tag, long value);
/**
* Records an stats log message.
* @param tag The stats type tag code
* @param value A value to log
* @return The number of bytes written
*/
public static native int writeFloat(int tag, float value);
/**
* Records an stats log message.
* @param tag The stats type tag code
* @param str A value to log
* @return The number of bytes written
*/
public static native int writeString(int tag, String str);
/**
* Records an stats log message.
* @param tag The stats type tag code
* @param list A list of values to log. All values should
* be of type int, long, float or String.
* @return The number of bytes written
*/
public static native int writeArray(int tag, Object... list);
}
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