github.com/myhau/pulumi/pkg/v3@v3.70.2-0.20221116134521-f2775972e587/resource/deploy/source_error.go (about)

     1  // Copyright 2016-2018, Pulumi Corporation.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package deploy
    16  
    17  import (
    18  	"context"
    19  
    20  	"github.com/pulumi/pulumi/sdk/v3/go/common/tokens"
    21  	"github.com/pulumi/pulumi/sdk/v3/go/common/util/result"
    22  )
    23  
    24  // NewErrorSource creates a source that panics if it is iterated. This is used by the engine to guard against unexpected
    25  // changes during a refresh.
    26  
    27  func NewErrorSource(project tokens.PackageName) Source {
    28  	return &errorSource{project: project}
    29  }
    30  
    31  // A errorSource errors when iterated.
    32  type errorSource struct {
    33  	project tokens.PackageName
    34  }
    35  
    36  func (src *errorSource) Close() error                { return nil }
    37  func (src *errorSource) Project() tokens.PackageName { return src.project }
    38  func (src *errorSource) Info() interface{}           { return nil }
    39  
    40  func (src *errorSource) Iterate(
    41  	ctx context.Context, opts Options, providers ProviderSource) (SourceIterator, result.Result) {
    42  
    43  	panic("internal error: unexpected call to errorSource.Iterate")
    44  }