From 3d3590874926ff92009ed0b4f114c6e5a8ee7394 Mon Sep 17 00:00:00 2001
From: Kurt Partridge <kep@google.com>
Date: Mon, 20 Aug 2012 10:17:40 -0700
Subject: Revert "ResearchLogging capture full n-gram data"

This reverts commit 221e756fd7d585f0eb75377b851f23cad24ccd7f

Change-Id: Iefc4e4e27ddc925d4a4634627b0467bd4ee2a66e
---
 .../android/inputmethod/research/LogBuffer.java    | 111 ---------------------
 1 file changed, 111 deletions(-)
 delete mode 100644 java/src/com/android/inputmethod/research/LogBuffer.java

(limited to 'java/src/com/android/inputmethod/research/LogBuffer.java')

diff --git a/java/src/com/android/inputmethod/research/LogBuffer.java b/java/src/com/android/inputmethod/research/LogBuffer.java
deleted file mode 100644
index 65f5f83ae..000000000
--- a/java/src/com/android/inputmethod/research/LogBuffer.java
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) 2012 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 com.android.inputmethod.research;
-
-import java.util.LinkedList;
-
-/**
- * A buffer that holds a fixed number of LogUnits.
- *
- * LogUnits are added in and shifted out in temporal order.  Only a subset of the LogUnits are
- * actual words; the other LogUnits do not count toward the word limit.  Once the buffer reaches
- * capacity, adding another LogUnit that is a word evicts the oldest LogUnits out one at a time to
- * stay under the capacity limit.
- */
-public class LogBuffer {
-    protected final LinkedList<LogUnit> mLogUnits;
-    /* package for test */ int mWordCapacity;
-    // The number of members of mLogUnits that are actual words.
-    protected int mNumActualWords;
-
-    /**
-     * Create a new LogBuffer that can hold a fixed number of LogUnits that are words (and
-     * unlimited number of non-word LogUnits), and that outputs its result to a researchLog.
-     *
-     * @param wordCapacity maximum number of words
-     */
-    LogBuffer(final int wordCapacity) {
-        if (wordCapacity <= 0) {
-            throw new IllegalArgumentException("wordCapacity must be 1 or greater.");
-        }
-        mLogUnits = new LinkedList<LogUnit>();
-        mWordCapacity = wordCapacity;
-        mNumActualWords = 0;
-    }
-
-    /**
-     * Adds a new LogUnit to the front of the LIFO queue, evicting existing LogUnit's
-     * (oldest first) if word capacity is reached.
-     */
-    public void shiftIn(LogUnit newLogUnit) {
-        if (newLogUnit.getWord() == null) {
-            // This LogUnit isn't a word, so it doesn't count toward the word-limit.
-            mLogUnits.add(newLogUnit);
-            return;
-        }
-        if (mNumActualWords == mWordCapacity) {
-            shiftOutThroughFirstWord();
-        }
-        mLogUnits.add(newLogUnit);
-        mNumActualWords++; // Must be a word, or we wouldn't be here.
-    }
-
-    private void shiftOutThroughFirstWord() {
-        while (!mLogUnits.isEmpty()) {
-            final LogUnit logUnit = mLogUnits.removeFirst();
-            onShiftOut(logUnit);
-            if (logUnit.hasWord()) {
-                // Successfully shifted out a word-containing LogUnit and made space for the new
-                // LogUnit.
-                mNumActualWords--;
-                break;
-            }
-        }
-    }
-
-    /**
-     * Removes all LogUnits from the buffer without calling onShiftOut().
-     */
-    public void clear() {
-        mLogUnits.clear();
-        mNumActualWords = 0;
-    }
-
-    /**
-     * Called when a LogUnit is removed from the LogBuffer as a result of a shiftIn.  LogUnits are
-     * removed in the order entered.  This method is not called when shiftOut is called directly.
-     *
-     * Base class does nothing; subclasses may override.
-     */
-    protected void onShiftOut(LogUnit logUnit) {
-    }
-
-    /**
-     * Called to deliberately remove the oldest LogUnit.  Usually called when draining the
-     * LogBuffer.
-     */
-    public LogUnit shiftOut() {
-        if (mLogUnits.isEmpty()) {
-            return null;
-        }
-        final LogUnit logUnit = mLogUnits.removeFirst();
-        if (logUnit.hasWord()) {
-            mNumActualWords--;
-        }
-        return logUnit;
-    }
-}
-- 
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