Class ExternalSolver
Uses an external process to solve Requirements. The executable for external process is itself provided by another ISolver.
Implements
Namespace: ZeroInstall.Services.Solvers
Assembly: ZeroInstall.Services.dll
Syntax
public class ExternalSolver : Object, ISolverRemarks
This class is immutable and thread-safe.
Constructors
ExternalSolver(ISolver, ISelectionsManager, IFetcher, IExecutor, IFeedManager, ITaskHandler, Requirements)
Declaration
public ExternalSolver(ISolver backingSolver, ISelectionsManager selectionsManager, IFetcher fetcher, IExecutor executor, IFeedManager feedManager, ITaskHandler handler, Requirements solverRequirements)Parameters
| Type | Name | Description |
|---|---|---|
| ISolver | backingSolver | |
| ISelectionsManager | selectionsManager | |
| IFetcher | fetcher | |
| IExecutor | executor | |
| IFeedManager | feedManager | |
| ITaskHandler | handler | |
| Requirements | solverRequirements |
Methods
Solve(Requirements)
Provides Selections that satisfy a set of Requirements.
Declaration
public Selections Solve(Requirements requirements)Parameters
| Type | Name | Description |
|---|---|---|
| Requirements | requirements | The requirements to satisfy. |
Returns
| Type | Description |
|---|---|
| Selections | The selected ImplementationSelections. |
Remarks
Feed files may be downloaded, signature validation is performed, implementations are not downloaded.
Exceptions
| Type | Condition |
|---|---|
| OperationCanceledException | The user canceled the task. |
| ArgumentException |
|
| IOException | A problem occurred while reading the feed file. |
| WebException | A problem occurred while fetching the feed file. |
| UnauthorizedAccessException | Access to the cache is not permitted. |
| SignatureException | The signature data of a remote feed file could not be verified. |
| SolverException | The solver was unable to provide Selections that fulfill the |