com.google.cloud.tools.jib.image

Class ImageLayers<T extends Layer>

java.lang.Object

com.google.cloud.tools.jib.image.ImageLayers<T>

All Implemented Interfaces:

java.lang.Iterable<T>

public class ImageLayers<T extends Layer>
extends java.lang.Object
implements java.lang.Iterable<T>

Holds the layers for an image. Makes sure that there are no duplicate layers.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ImageLayers.Builder<T extends Layer>

Method Summary

Modifier and Type	Method and Description
static <U extends Layer> ImageLayers.Builder<U>	builder()
T	get(DescriptorDigest digest)
T	get(int index)
com.google.common.collect.ImmutableList<T>	getLayers()
boolean	has(DescriptorDigest digest)
boolean	isEmpty()
java.util.Iterator<T>	iterator()
int	size()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Detail

builder

public static <U extends Layer> ImageLayers.Builder<U> builder()

getLayers

public com.google.common.collect.ImmutableList<T> getLayers()

Returns:

a read-only view of the image layers.

size

public int size()

Returns:

the layer count

isEmpty

public boolean isEmpty()

get

public T get(int index)

Parameters:

index - the index of the layer to get

Returns:

the layer at the specified index

get

@Nullable
public T get(DescriptorDigest digest)
                throws LayerPropertyNotFoundException

Parameters:

digest - the digest used to retrieve the layer

Returns:

the layer found, or null if not found

Throws:

LayerPropertyNotFoundException - if getting the layer's blob descriptor fails

has

public boolean has(DescriptorDigest digest)

Parameters:

digest - the digest to check for

Returns:

true if the layer with the specified digest exists; false otherwise

iterator

public java.util.Iterator<T> iterator()

Specified by:

iterator in interface java.lang.Iterable<T extends Layer>