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Diffstat (limited to 'core/java/com/android/internal/util/ProcessedMessages.java')
-rw-r--r-- | core/java/com/android/internal/util/ProcessedMessages.java | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/core/java/com/android/internal/util/ProcessedMessages.java b/core/java/com/android/internal/util/ProcessedMessages.java deleted file mode 100644 index 244474e..0000000 --- a/core/java/com/android/internal/util/ProcessedMessages.java +++ /dev/null @@ -1,198 +0,0 @@ -/** - * Copyright (C) 2009 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.internal.util; - -import android.os.Message; - -import java.util.Vector; - -/** - * {@hide} - * - * A list of messages recently processed by the state machine. - * - * The class maintains a list of messages that have been most - * recently processed. The list is finite and may be set in the - * constructor or by calling setSize. The public interface also - * includes size which returns the number of recent messages, - * count which is the number of message processed since the - * the last setSize, get which returns a processed message and - * add which adds a processed messaged. - */ -public class ProcessedMessages { - - public static final int DEFAULT_SIZE = 20; - - /** - * The information maintained for a processed message. - */ - public class Info { - private int what; - private HierarchicalState state; - private HierarchicalState orgState; - - /** - * Constructor - * @param message - * @param state that handled the message - * @param orgState is the first state the received the message but - * did not processes the message. - */ - Info(Message message, HierarchicalState state, HierarchicalState orgState) { - update(message, state, orgState); - } - - /** - * Update the information in the record. - * @param state that handled the message - * @param orgState is the first state the received the message but - * did not processes the message. - */ - public void update(Message message, HierarchicalState state, HierarchicalState orgState) { - this.what = message.what; - this.state = state; - this.orgState = orgState; - } - - /** - * @return the command that was executing - */ - public int getWhat() { - return what; - } - - /** - * @return the state that handled this message - */ - public HierarchicalState getState() { - return state; - } - - /** - * @return the original state that received the message. - */ - public HierarchicalState getOriginalState() { - return orgState; - } - - /** - * @return as string - */ - public String toString() { - StringBuilder sb = new StringBuilder(); - sb.append("what="); - sb.append(what); - sb.append(" state="); - sb.append(cn(state)); - sb.append(" orgState="); - sb.append(cn(orgState)); - return sb.toString(); - } - - /** - * @return an objects class name - */ - private String cn(Object n) { - if (n == null) { - return "null"; - } else { - String name = n.getClass().getName(); - int lastDollar = name.lastIndexOf('$'); - return name.substring(lastDollar + 1); - } - } - } - - private Vector<Info> mMessages = new Vector<Info>(); - private int mMaxSize = DEFAULT_SIZE; - private int mOldestIndex = 0; - private int mCount = 0; - - /** - * Constructor - */ - ProcessedMessages() { - } - - ProcessedMessages(int maxSize) { - setSize(maxSize); - } - - /** - * Set size of messages to maintain and clears all current messages. - * - * @param maxSize number of messages to maintain at anyone time. - */ - void setSize(int maxSize) { - mMaxSize = maxSize; - mCount = 0; - mMessages.clear(); - } - - /** - * @return the number of recent messages. - */ - int size() { - return mMessages.size(); - } - - /** - * @return the total number of messages processed since size was set. - */ - int count() { - return mCount; - } - - /** - * @return the information on a particular record. 0 is the oldest - * record and size()-1 is the newest record. If the index is to - * large null is returned. - */ - Info get(int index) { - int nextIndex = mOldestIndex + index; - if (nextIndex >= mMaxSize) { - nextIndex -= mMaxSize; - } - if (nextIndex >= size()) { - return null; - } else { - return mMessages.get(nextIndex); - } - } - - /** - * Add a processed message. - * - * @param message - * @param state that handled the message - * @param orgState is the first state the received the message but - * did not processes the message. - */ - void add(Message message, HierarchicalState state, HierarchicalState orgState) { - mCount += 1; - if (mMessages.size() < mMaxSize) { - mMessages.add(new Info(message, state, orgState)); - } else { - Info info = mMessages.get(mOldestIndex); - mOldestIndex += 1; - if (mOldestIndex >= mMaxSize) { - mOldestIndex = 0; - } - info.update(message, state, orgState); - } - } -} |