public static void ValidateIdentity(IProjectionIdentity identity)
{
if (identity.Field != null && !identity.Schema.Equals(identity.Field.Identity.Schema))
{
throw new ProjectionException("Unable to create projection identity. Field schema mismatch.");
}
}
internal Projection(IProjectionIdentity identity, IProcContext context, IProjectionMetadata metadata)
{
this.Identity = identity ?? throw ProjectionException.ArgumentNull(nameof(identity));
this.Context = context ?? throw ProjectionException.ArgumentNull(nameof(context));
this.Metadata = metadata ?? throw ProjectionException.FromAttribute(identity.Schema.Model, null, message: "Projection metadata not found.");
this.Source = identity.Field;
this.Options = new ProjectionOptions();
this.Attributes = this.CreateDefaultAttributes(this.Metadata);
}
public ProcLookupKey(string prefix, IProjectionIdentity identity, MetadataIdentity metadata, IField field)
{
this.Prefix = prefix;
this.Identity = identity ?? throw new ArgumentNullException(nameof(identity));
this.Metadata = metadata;
this.Field = field;
if (string.IsNullOrWhiteSpace(this.Prefix))
{
throw new ArgumentException("Prefix cannot be empty.");
}
}
public ProcLookupKey(string prefix, IProjectionIdentity identity, MetadataIdentity metadata, IField field)
{
this.Prefix = prefix;
this.Identity = identity;
this.Metadata = metadata;
this.Field = field;
this.HasValue = (identity != null || metadata != null || field != null);
if (string.IsNullOrWhiteSpace(this.Prefix))
{
throw new ArgumentException("Prefix cannot be empty.");
}
}
public string Variable(IProjectionIdentity identity, IField field) => this.Custom("V", identity, field: field);
public string Table(IProjectionIdentity identity, MetadataIdentity metadata) => this.Custom("T", identity, metadata);
public string Parameter(IProjectionIdentity identity, MetadataIdentity metadata) => this.Custom("P", identity, metadata: metadata);
public string Parameter(IProjectionIdentity identity, IField field) => this.Custom("P", identity, field: field);
public string Custom(string prefix, IProjectionIdentity identity, MetadataIdentity metadata = null, IField field = null) => this.FromKey(new ProcLookupKey(prefix, identity, metadata, field));
public Projection(IProjectionIdentity identity, IProcContext context)
: base(identity, context)
{
}
internal Projection(IProjectionIdentity identity, IProcContext context, IProjectionMetadata metadata)
: base(identity, context, metadata)
{
}
public virtual bool Equals(IProjectionIdentity other) => base.Equals(other);
