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A lightning fast, transactional, file-based FIFO for Android and Java.
Java C HTML CSS Shell

README.md

Tape by Square, Inc.

Tape is a collection of queue-related classes for Android and Java.

QueueFile is a lightning-fast, transactional, file-based FIFO. Addition and removal from an instance is an O(1) operation and is atomic. Writes are synchronous; data will be written to disk before an operation returns. The underlying file is structured to survive process and even system crashes and if an I/O exception is thrown during a mutating change, the change is aborted.

An ObjectQueue represents an ordering of arbitrary objects which can be backed either by the filesystem (via QueueFile) or in memory only.

TaskQueue is a special object queue which holds Tasks, objects which have a notion of being executed. Instances are managed by an external executor which prepares and executes enqueued tasks.

Some examples are available on the website.

Download

Download the latest JAR or grab via Maven:

<dependency>
  <groupId>com.squareup</groupId>
  <artifactId>tape</artifactId>
  <version>1.2.3</version>
</dependency>

or Gradle:

compile 'com.squareup:tape:1.2.3'

Snapshots of the development version are available in Sonatype's snapshots repository.

License

Copyright 2012 Square, Inc.

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.
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