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Diffstat (limited to 'src/core/Index/FieldInfo.cs')
| -rw-r--r-- | src/core/Index/FieldInfo.cs | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/core/Index/FieldInfo.cs b/src/core/Index/FieldInfo.cs new file mode 100644 index 0000000..bfca8af --- /dev/null +++ b/src/core/Index/FieldInfo.cs @@ -0,0 +1,136 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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. + */ + +using System; + +namespace Lucene.Net.Index +{ + + public sealed class FieldInfo : System.ICloneable + { + internal System.String name; + internal bool isIndexed; + internal int number; + + // true if term vector for this field should be stored + internal bool storeTermVector; + internal bool storeOffsetWithTermVector; + internal bool storePositionWithTermVector; + + internal bool omitNorms; // omit norms associated with indexed fields + internal bool omitTermFreqAndPositions; + + internal bool storePayloads; // whether this field stores payloads together with term positions + + internal FieldInfo(System.String na, bool tk, int nu, bool storeTermVector, bool storePositionWithTermVector, bool storeOffsetWithTermVector, bool omitNorms, bool storePayloads, bool omitTermFreqAndPositions) + { + name = na; + isIndexed = tk; + number = nu; + if (isIndexed) + { + this.storeTermVector = storeTermVector; + this.storeOffsetWithTermVector = storeOffsetWithTermVector; + this.storePositionWithTermVector = storePositionWithTermVector; + this.storePayloads = storePayloads; + this.omitNorms = omitNorms; + this.omitTermFreqAndPositions = omitTermFreqAndPositions; + } + else + { + // for non-indexed fields, leave defaults + this.storeTermVector = false; + this.storeOffsetWithTermVector = false; + this.storePositionWithTermVector = false; + this.storePayloads = false; + this.omitNorms = true; + this.omitTermFreqAndPositions = false; + } + } + + public System.Object Clone() + { + return new FieldInfo(name, isIndexed, number, storeTermVector, storePositionWithTermVector, storeOffsetWithTermVector, omitNorms, storePayloads, omitTermFreqAndPositions); + } + + internal void Update(bool isIndexed, bool storeTermVector, bool storePositionWithTermVector, bool storeOffsetWithTermVector, bool omitNorms, bool storePayloads, bool omitTermFreqAndPositions) + { + if (this.isIndexed != isIndexed) + { + this.isIndexed = true; // once indexed, always index + } + if (isIndexed) + { + // if updated field data is not for indexing, leave the updates out + if (this.storeTermVector != storeTermVector) + { + this.storeTermVector = true; // once vector, always vector + } + if (this.storePositionWithTermVector != storePositionWithTermVector) + { + this.storePositionWithTermVector = true; // once vector, always vector + } + if (this.storeOffsetWithTermVector != storeOffsetWithTermVector) + { + this.storeOffsetWithTermVector = true; // once vector, always vector + } + if (this.storePayloads != storePayloads) + { + this.storePayloads = true; + } + if (this.omitNorms != omitNorms) + { + this.omitNorms = false; // once norms are stored, always store + } + if (this.omitTermFreqAndPositions != omitTermFreqAndPositions) + { + this.omitTermFreqAndPositions = true; // if one require omitTermFreqAndPositions at least once, it remains off for life + } + } + } + + public bool storePayloads_ForNUnit + { + get { return storePayloads; } + } + + public System.String name_ForNUnit + { + get { return name; } + } + + public bool isIndexed_ForNUnit + { + get { return isIndexed; } + } + + public bool omitNorms_ForNUnit + { + get { return omitNorms; } + } + + public bool omitTermFreqAndPositions_ForNUnit + { + get { return omitTermFreqAndPositions; } + } + + public bool storeTermVector_ForNUnit + { + get { return storeTermVector; } + } + } +}
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