java.lang.Object
- com.google.android.exoplayer2.Timeline
- - com.google.android.exoplayer2.AbstractConcatenatedTimeline

All Implemented Interfaces:

Bundleable
```
public abstract class AbstractConcatenatedTimeline
extends Timeline
```
Abstract base class for the concatenation of one or more Timelines.

Nested Class Summary
- Nested classes/interfaces inherited from class com.google.android.exoplayer2.Timeline
  Timeline.Period, Timeline.RemotableTimeline, Timeline.Window
- Nested classes/interfaces inherited from interface com.google.android.exoplayer2.Bundleable
  Bundleable.Creator<T extends Bundleable>

Field Summary
- Fields inherited from class com.google.android.exoplayer2.Timeline
  CREATOR, EMPTY

Constructor Summary

Constructors
Constructor	Description
`AbstractConcatenatedTimeline(boolean isAtomic, ShuffleOrder shuffleOrder)`	Sets up a concatenated timeline with a shuffle order of child timelines.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`protected abstract int`	`getChildIndexByChildUid(Object childUid)`	Returns the index of the child timeline with the given UID or `C.INDEX_UNSET` if not found.
`protected abstract int`	`getChildIndexByPeriodIndex(int periodIndex)`	Returns the index of the child timeline containing the given period index.
`protected abstract int`	`getChildIndexByWindowIndex(int windowIndex)`	Returns the index of the child timeline containing the given window index.
`static Object`	`getChildPeriodUidFromConcatenatedUid(Object concatenatedUid)`	Returns UID of the period in the child timeline from a concatenated period UID.
`static Object`	`getChildTimelineUidFromConcatenatedUid(Object concatenatedUid)`	Returns UID of child timeline from a concatenated period UID.
`protected abstract Object`	`getChildUidByChildIndex(int childIndex)`	Returns the UID of the child timeline with the given index.
`static Object`	`getConcatenatedUid(Object childTimelineUid, Object childPeriodOrWindowUid)`	Returns a concatenated UID for a period or window in a child timeline.
`protected abstract int`	`getFirstPeriodIndexByChildIndex(int childIndex)`	Returns the first period index belonging to the child timeline with the given index.
`int`	`getFirstWindowIndex(boolean shuffleModeEnabled)`	Returns the index of the first window in the playback order depending on whether shuffling is enabled.
`protected abstract int`	`getFirstWindowIndexByChildIndex(int childIndex)`	Returns the first window index belonging to the child timeline with the given index.
`int`	`getIndexOfPeriod(Object uid)`	Returns the index of the period identified by its unique `Timeline.Period.uid`, or `C.INDEX_UNSET` if the period is not in the timeline.
`int`	`getLastWindowIndex(boolean shuffleModeEnabled)`	Returns the index of the last window in the playback order depending on whether shuffling is enabled.
`int`	`getNextWindowIndex(int windowIndex, @com.google.android.exoplayer2.Player.RepeatMode int repeatMode, boolean shuffleModeEnabled)`	Returns the index of the window after the window at index `windowIndex` depending on the `repeatMode` and whether shuffling is enabled.
`Timeline.Period`	`getPeriod(int periodIndex, Timeline.Period period, boolean setIds)`	Populates a `Timeline.Period` with data for the period at the specified index.
`Timeline.Period`	`getPeriodByUid(Object periodUid, Timeline.Period period)`	Populates a `Timeline.Period` with data for the period with the specified unique identifier.
`int`	`getPreviousWindowIndex(int windowIndex, @com.google.android.exoplayer2.Player.RepeatMode int repeatMode, boolean shuffleModeEnabled)`	Returns the index of the window before the window at index `windowIndex` depending on the `repeatMode` and whether shuffling is enabled.
`protected abstract Timeline`	`getTimelineByChildIndex(int childIndex)`	Returns the child timeline for the child with the given index.
`Object`	`getUidOfPeriod(int periodIndex)`	Returns the unique id of the period identified by its index in the timeline.
`Timeline.Window`	`getWindow(int windowIndex, Timeline.Window window, long defaultPositionProjectionUs)`	Populates a `Timeline.Window` with data for the window at the specified index.

Methods inherited from class com.google.android.exoplayer2.Timeline
equals, getNextPeriodIndex, getPeriod, getPeriodCount, getPeriodPosition, getPeriodPosition, getPeriodPositionUs, getPeriodPositionUs, getWindow, getWindowCount, hashCode, isEmpty, isLastPeriod, toBundle, toBundle

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - AbstractConcatenatedTimeline
```
public AbstractConcatenatedTimeline(boolean isAtomic,
                                    ShuffleOrder shuffleOrder)
```
    Sets up a concatenated timeline with a shuffle order of child timelines.
    
    Parameters:
    
    isAtomic - Whether the child timelines shall be treated as atomic, i.e., treated as a single item for repeating and shuffling.
    
    shuffleOrder - A shuffle order of child timelines. The number of child timelines must match the number of elements in the shuffle order.
- Method Detail
  - getChildTimelineUidFromConcatenatedUid
```
public static Object getChildTimelineUidFromConcatenatedUid(Object concatenatedUid)
```
    Returns UID of child timeline from a concatenated period UID.
    
    Parameters:
    
    concatenatedUid - UID of a period in a concatenated timeline.
    
    Returns:
    
    UID of the child timeline this period belongs to.
  - getChildPeriodUidFromConcatenatedUid
```
public static Object getChildPeriodUidFromConcatenatedUid(Object concatenatedUid)
```
    Returns UID of the period in the child timeline from a concatenated period UID.
    
    Parameters:
    
    concatenatedUid - UID of a period in a concatenated timeline.
    
    Returns:
    
    UID of the period in the child timeline.
  - getConcatenatedUid
```
public static Object getConcatenatedUid(Object childTimelineUid,
                                        Object childPeriodOrWindowUid)
```
    Returns a concatenated UID for a period or window in a child timeline.
    
    Parameters:
    
    childTimelineUid - UID of the child timeline this period or window belongs to.
    
    childPeriodOrWindowUid - UID of the period or window in the child timeline.
    
    Returns:
    
    UID of the period or window in the concatenated timeline.
  - getNextWindowIndex
```
public int getNextWindowIndex(int windowIndex,
                              @RepeatMode
                              @com.google.android.exoplayer2.Player.RepeatMode int repeatMode,
                              boolean shuffleModeEnabled)
```
    Description copied from class: Timeline
    
    Returns the index of the window after the window at index windowIndex depending on the repeatMode and whether shuffling is enabled.
    
    Overrides:
    
    getNextWindowIndex in class Timeline
    
    Parameters:
    
    windowIndex - Index of a window in the timeline.
    
    repeatMode - A repeat mode.
    
    shuffleModeEnabled - Whether shuffling is enabled.
    
    Returns:
    
    The index of the next window, or C.INDEX_UNSET if this is the last window.
  - getPreviousWindowIndex
```
public int getPreviousWindowIndex(int windowIndex,
                                  @RepeatMode
                                  @com.google.android.exoplayer2.Player.RepeatMode int repeatMode,
                                  boolean shuffleModeEnabled)
```
    Description copied from class: Timeline
    
    Returns the index of the window before the window at index windowIndex depending on the repeatMode and whether shuffling is enabled.
    
    Overrides:
    
    getPreviousWindowIndex in class Timeline
    
    Parameters:
    
    windowIndex - Index of a window in the timeline.
    
    repeatMode - A repeat mode.
    
    shuffleModeEnabled - Whether shuffling is enabled.
    
    Returns:
    
    The index of the previous window, or C.INDEX_UNSET if this is the first window.
  - getLastWindowIndex
```
public int getLastWindowIndex(boolean shuffleModeEnabled)
```
    Description copied from class: Timeline
    
    Returns the index of the last window in the playback order depending on whether shuffling is enabled.
    
    Overrides:
    
    getLastWindowIndex in class Timeline
    
    Parameters:
    
    shuffleModeEnabled - Whether shuffling is enabled.
    
    Returns:
    
    The index of the last window in the playback order, or C.INDEX_UNSET if the timeline is empty.
  - getFirstWindowIndex
```
public int getFirstWindowIndex(boolean shuffleModeEnabled)
```
    Description copied from class: Timeline
    
    Returns the index of the first window in the playback order depending on whether shuffling is enabled.
    
    Overrides:
    
    getFirstWindowIndex in class Timeline
    
    Parameters:
    
    shuffleModeEnabled - Whether shuffling is enabled.
    
    Returns:
    
    The index of the first window in the playback order, or C.INDEX_UNSET if the timeline is empty.
  - getWindow
```
public final Timeline.Window getWindow(int windowIndex,
                                       Timeline.Window window,
                                       long defaultPositionProjectionUs)
```
    Description copied from class: Timeline
    
    Populates a Timeline.Window with data for the window at the specified index.
    
    Specified by:
    
    getWindow in class Timeline
    
    Parameters:
    
    windowIndex - The index of the window.
    
    window - The Timeline.Window to populate. Must not be null.
    
    defaultPositionProjectionUs - A duration into the future that the populated window's default start position should be projected.
    
    Returns:
    
    The populated Timeline.Window, for convenience.
  - getPeriodByUid
```
public final Timeline.Period getPeriodByUid(Object periodUid,
                                            Timeline.Period period)
```
    Description copied from class: Timeline
    
    Populates a Timeline.Period with data for the period with the specified unique identifier.
    
    Overrides:
    
    getPeriodByUid in class Timeline
    
    Parameters:
    
    periodUid - The unique identifier of the period.
    
    period - The Timeline.Period to populate. Must not be null.
    
    Returns:
    
    The populated Timeline.Period, for convenience.
  - getPeriod
```
public final Timeline.Period getPeriod(int periodIndex,
                                       Timeline.Period period,
                                       boolean setIds)
```
    Description copied from class: Timeline
    
    Populates a Timeline.Period with data for the period at the specified index.
    
    Specified by:
    
    getPeriod in class Timeline
    
    Parameters:
    
    periodIndex - The index of the period.
    
    period - The Timeline.Period to populate. Must not be null.
    
    setIds - Whether Timeline.Period.id and Timeline.Period.uid should be populated. If false, the fields will be set to null. The caller should pass false for efficiency reasons unless the fields are required.
    
    Returns:
    
    The populated Timeline.Period, for convenience.
  - getIndexOfPeriod
```
public final int getIndexOfPeriod(Object uid)
```
    Description copied from class: Timeline
    
    Returns the index of the period identified by its unique Timeline.Period.uid, or C.INDEX_UNSET if the period is not in the timeline.
    
    Specified by:
    
    getIndexOfPeriod in class Timeline
    
    Parameters:
    
    uid - A unique identifier for a period.
    
    Returns:
    
    The index of the period, or C.INDEX_UNSET if the period was not found.
  - getUidOfPeriod
```
public final Object getUidOfPeriod(int periodIndex)
```
    Description copied from class: Timeline
    
    Returns the unique id of the period identified by its index in the timeline.
    
    Specified by:
    
    getUidOfPeriod in class Timeline
    
    Parameters:
    
    periodIndex - The index of the period.
    
    Returns:
    
    The unique id of the period.
  - getChildIndexByPeriodIndex
```
protected abstract int getChildIndexByPeriodIndex(int periodIndex)
```
    Returns the index of the child timeline containing the given period index.
    
    Parameters:
    
    periodIndex - A valid period index within the bounds of the timeline.
  - getChildIndexByWindowIndex
```
protected abstract int getChildIndexByWindowIndex(int windowIndex)
```
    Returns the index of the child timeline containing the given window index.
    
    Parameters:
    
    windowIndex - A valid window index within the bounds of the timeline.
  - getChildIndexByChildUid
```
protected abstract int getChildIndexByChildUid(Object childUid)
```
    Returns the index of the child timeline with the given UID or C.INDEX_UNSET if not found.
    
    Parameters:
    
    childUid - A child UID.
    
    Returns:
    
    Index of child timeline or C.INDEX_UNSET if UID was not found.
  - getTimelineByChildIndex
```
protected abstract Timeline getTimelineByChildIndex(int childIndex)
```
    Returns the child timeline for the child with the given index.
    
    Parameters:
    
    childIndex - A valid child index within the bounds of the timeline.
  - getFirstPeriodIndexByChildIndex
```
protected abstract int getFirstPeriodIndexByChildIndex(int childIndex)
```
    Returns the first period index belonging to the child timeline with the given index.
    
    Parameters:
    
    childIndex - A valid child index within the bounds of the timeline.
  - getFirstWindowIndexByChildIndex
```
protected abstract int getFirstWindowIndexByChildIndex(int childIndex)
```
    Returns the first window index belonging to the child timeline with the given index.
    
    Parameters:
    
    childIndex - A valid child index within the bounds of the timeline.
  - getChildUidByChildIndex
```
protected abstract Object getChildUidByChildIndex(int childIndex)
```
    Returns the UID of the child timeline with the given index.
    
    Parameters:
    
    childIndex - A valid child index within the bounds of the timeline.

Class AbstractConcatenatedTimeline

Nested Class Summary

Nested classes/interfaces inherited from class com.google.android.exoplayer2.Timeline

Nested classes/interfaces inherited from interface com.google.android.exoplayer2.Bundleable

Field Summary

Fields inherited from class com.google.android.exoplayer2.Timeline

Constructor Summary

Method Summary

Methods inherited from class com.google.android.exoplayer2.Timeline

Methods inherited from class java.lang.Object

Constructor Detail

AbstractConcatenatedTimeline

Method Detail

getChildTimelineUidFromConcatenatedUid

getChildPeriodUidFromConcatenatedUid

getConcatenatedUid

getNextWindowIndex

getPreviousWindowIndex

getLastWindowIndex

getFirstWindowIndex

getWindow

getPeriodByUid

getPeriod

getIndexOfPeriod

getUidOfPeriod

getChildIndexByPeriodIndex

getChildIndexByWindowIndex

getChildIndexByChildUid

getTimelineByChildIndex

getFirstPeriodIndexByChildIndex

getFirstWindowIndexByChildIndex

getChildUidByChildIndex