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## com.google.appengine.api.labs.taskqueue
Class TaskOptions

    java.lang.Object
      com.google.appengine.api.labs.taskqueue.TaskOptions

All Implemented Interfaces:
  java.io.Serializable

    public class TaskOptions

extends java.lang.Object
implements java.io.Serializable

Contains various options for a task following the builder pattern. Calls to `TaskOptions` methods may be chained to specify multiple options in the one `TaskOptions` object.

Notes on usage:
The recommended way to instantiate a `TaskOptions` object is to statically import `TaskOptions.Builder`.* and invoke a static creation method followed by an instance mutator (if needed):

>      import static com.google.appengine.api.taskqueue.TaskOptions.Builder.*;

>      ...
>      QueueFactory.getDefaultQueue().add(header("X-HEADER", "value"));

See Also:
  Serialized Form

Nested Class Summary
`static class` | `TaskOptions.Builder` Provides static creation methods for `TaskOptions`.
`static class` | `TaskOptions.Method` Methods supported by `Queue`.

Constructor Summary
`TaskOptions(TaskOptions options)` A copy constructor for `TaskOptions`.

Method Summary
`TaskOptions` | `countdownMillis(long countdownMillis)` Set the number of milliseconds delay before execution of the task.
`boolean` | `equals(java.lang.Object obj)`
`TaskOptions` | `etaMillis(long etaMillis)` Sets the approximate absolute time to execute.
`java.lang.String` | `getUrl()`
`int` | `hashCode()`
`TaskOptions` | `header(java.lang.String headerName, java.lang.String value)` Adds a header `name/value` pair.
`TaskOptions` | `headers(java.util.Map<java.lang.String,java.lang.String> headers)` Replaces the existing headers with the provided header `name/value` mapping.
`TaskOptions` | `method(TaskOptions.Method method)` Set the method used for this task.
`TaskOptions` | `param(java.lang.String name, byte[] value)` Add a named `byte` array parameter.
`TaskOptions` | `param(java.lang.String name, java.lang.String value)` Add a named `String` parameter.
`TaskOptions` | `payload(byte[] payload, java.lang.String contentType)` Set the payload with the given content type.
`TaskOptions` | `payload(java.lang.String payload)` Set the payload by `String`.
`TaskOptions` | `payload(java.lang.String payload, java.lang.String charset)` Sets the payload from a `String` given a specific character set.
`TaskOptions` | `removeHeader(java.lang.String headerName)` Remove all headers with the given name.
`TaskOptions` | `removeParam(java.lang.String paramName)` Remove all parameters with the given name.
`TaskOptions` | `taskName(java.lang.String taskName)` Sets the task name.
`java.lang.String` | `toString()`
`TaskOptions` | `url(java.lang.String url)` Set the URL.

Methods inherited from class java.lang.Object
`getClass, notify, notifyAll, wait, wait, wait`

Constructor Detail

### TaskOptions

    public TaskOptions(TaskOptions options)

  A copy constructor for `TaskOptions`.

Method Detail

### taskName

    public TaskOptions taskName(java.lang.String taskName)

  Sets the task name.

  Throws:
    `java.lang.IllegalArgumentException` - The provided name is null, empty or doesn't match the expected pattern.

### payload

    public TaskOptions payload(java.lang.String payload,
                               java.lang.String charset)

  Sets the payload from a `String` given a specific character set.

  Throws:
    `UnsupportedTranslationException`

### payload

    public TaskOptions payload(byte[] payload,
                               java.lang.String contentType)

  Set the payload with the given content type.

  Parameters:
    `payload` - The bytes representing the paylaod.
    `contentType` - The content-type of the bytes.
  Returns:
    TaskOptions object for chaining.

### payload

    public TaskOptions payload(java.lang.String payload)

  Set the payload by `String`. The charset to convert the String to will be UTF-8.

  Parameters:
    `payload` - The String to be used.
  Returns:
    TaskOptions object for chaining.

### headers

    public TaskOptions headers(java.util.Map<java.lang.String,java.lang.String> headers)

  Replaces the existing headers with the provided header `name/value` mapping.

  Parameters:
    `headers` - The headers to copy.
  Returns:
    TaskOptions object for chaining.

### header

    public TaskOptions header(java.lang.String headerName,
                              java.lang.String value)

  Adds a header `name/value` pair.

  Throws:
    `java.lang.IllegalArgumentException`

### removeHeader

    public TaskOptions removeHeader(java.lang.String headerName)

  Remove all headers with the given name.

### method

    public TaskOptions method(TaskOptions.Method method)

  Set the method used for this task. Defaults to `TaskOptions.Method.POST`.

### param

    public TaskOptions param(java.lang.String name,
                             java.lang.String value)

  Add a named `String` parameter.

  Parameters:
    `name` - Name of the parameter. Must not be null or empty.
    `value` - The value of the parameter will undergo a "UTF-8" character encoding transformation upon being added to the queue. `value` must not be `null`.
  Throws:
    `java.lang.IllegalArgumentException`

### param

    public TaskOptions param(java.lang.String name,
                             byte[] value)

  Add a named `byte` array parameter.

  Parameters:
    `name` - Name of the parameter. Must not be null or empty.
    `value` - A byte array and encoded as-is (i.e. without character encoding transformations). `value` must not be `null`.
  Throws:
    `java.lang.IllegalArgumentException`

### removeParam

    public TaskOptions removeParam(java.lang.String paramName)

  Remove all parameters with the given name.

  Parameters:
    `paramName` - Name of the parameter. Must not be null or empty.

### getUrl

    public java.lang.String getUrl()

### url

    public TaskOptions url(java.lang.String url)

  Set the URL.

  Default value is `null`.

  Parameters:
    `url` - String containing URL.

### countdownMillis

    public TaskOptions countdownMillis(long countdownMillis)

  Set the number of milliseconds delay before execution of the task.

### etaMillis

    public TaskOptions etaMillis(long etaMillis)

  Sets the approximate absolute time to execute. (i.e. etaMillis is comparable with `System.currentTimeMillis()`).

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `java.lang.Object`

### equals

    public boolean equals(java.lang.Object obj)

  Overrides:
    `equals` in class `java.lang.Object`

### toString

    public java.lang.String toString()

  Overrides:
    `toString` in class `java.lang.Object`

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