mirror of https://github.com/pulumi/pulumi.git
56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
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package deploy
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import (
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"github.com/pulumi/pulumi/pkg/tokens"
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)
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// NewFixedSource returns a valid planning source that is comprised of a list of pre-computed steps.
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func NewFixedSource(ctx tokens.PackageName, steps []SourceEvent) Source {
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return &fixedSource{ctx: ctx, steps: steps}
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}
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// A fixedSource just returns from a fixed set of resource states.
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type fixedSource struct {
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ctx tokens.PackageName
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steps []SourceEvent
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}
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func (src *fixedSource) Close() error {
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return nil // nothing to do.
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}
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func (src *fixedSource) Pkg() tokens.PackageName {
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return src.ctx
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}
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func (src *fixedSource) Info() interface{} {
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return nil
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}
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func (src *fixedSource) Iterate(opts Options) (SourceIterator, error) {
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return &fixedSourceIterator{
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src: src,
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current: -1,
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}, nil
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}
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// fixedSourceIterator always returns nil, nil in response to Next, indicating that it is done.
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type fixedSourceIterator struct {
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src *fixedSource
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current int
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}
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func (iter *fixedSourceIterator) Close() error {
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return nil // nothing to do.
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}
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func (iter *fixedSourceIterator) Next() (SourceEvent, error) {
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iter.current++
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if iter.current >= len(iter.src.steps) {
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return nil, nil
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}
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return iter.src.steps[iter.current], nil
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}
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