initial commit

vendor/github.com/blevesearch/bleve/error.go

@@ -0,0 +1,57 @@
+//  Copyright (c) 2014 Couchbase, Inc.
+//  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+//  except in compliance with the License. You may obtain a copy of the License at
+//    http://www.apache.org/licenses/LICENSE-2.0
+//  Unless required by applicable law or agreed to in writing, software distributed under the
+//  License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+//  either express or implied. See the License for the specific language governing permissions
+//  and limitations under the License.
+
+package bleve
+
+// Constant Error values which can be compared to determine the type of error
+const (
+	ErrorIndexPathExists Error = iota
+	ErrorIndexPathDoesNotExist
+	ErrorIndexMetaMissing
+	ErrorIndexMetaCorrupt
+	ErrorDisjunctionFewerThanMinClauses
+	ErrorBooleanQueryNeedsMustOrShouldOrNotMust
+	ErrorNumericQueryNoBounds
+	ErrorPhraseQueryNoTerms
+	ErrorUnknownQueryType
+	ErrorUnknownStorageType
+	ErrorIndexClosed
+	ErrorAliasMulti
+	ErrorAliasEmpty
+	ErrorUnknownIndexType
+	ErrorEmptyID
+	ErrorIndexReadInconsistency
+)
+
+// Error represents a more strongly typed bleve error for detecting
+// and handling specific types of errors.
+type Error int
+
+func (e Error) Error() string {
+	return errorMessages[e]
+}
+
+var errorMessages = map[Error]string{
+	ErrorIndexPathExists:                        "cannot create new index, path already exists",
+	ErrorIndexPathDoesNotExist:                  "cannot open index, path does not exist",
+	ErrorIndexMetaMissing:                       "cannot open index, metadata missing",
+	ErrorIndexMetaCorrupt:                       "cannot open index, metadata corrupt",
+	ErrorDisjunctionFewerThanMinClauses:         "disjunction query has fewer than the minimum number of clauses to satisfy",
+	ErrorBooleanQueryNeedsMustOrShouldOrNotMust: "boolean query must contain at least one must or should or not must clause",
+	ErrorNumericQueryNoBounds:                   "numeric range query must specify min or max",
+	ErrorPhraseQueryNoTerms:                     "phrase query must contain at least one term",
+	ErrorUnknownQueryType:                       "unknown query type",
+	ErrorUnknownStorageType:                     "unknown storage type",
+	ErrorIndexClosed:                            "index is closed",
+	ErrorAliasMulti:                             "cannot perform single index operation on multiple index alias",
+	ErrorAliasEmpty:                             "cannot perform operation on empty alias",
+	ErrorUnknownIndexType:                       "unknown index type",
+	ErrorEmptyID:                                "document ID cannot be empty",
+	ErrorIndexReadInconsistency:                 "index read inconsistency detected",
+}