X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/DocFieldProcessor.java diff --git a/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/DocFieldProcessor.java b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/DocFieldProcessor.java new file mode 100644 index 0000000..857b3fb --- /dev/null +++ b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/DocFieldProcessor.java @@ -0,0 +1,88 @@ +package org.apache.lucene.index; + +/** + * 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. + */ + +import java.io.IOException; +import java.util.Collection; +import java.util.Map; +import java.util.HashMap; + + +/** + * This is a DocConsumer that gathers all fields under the + * same name, and calls per-field consumers to process field + * by field. This class doesn't doesn't do any "real" work + * of its own: it just forwards the fields to a + * DocFieldConsumer. + */ + +final class DocFieldProcessor extends DocConsumer { + + final DocumentsWriter docWriter; + final FieldInfos fieldInfos; + final DocFieldConsumer consumer; + final StoredFieldsWriter fieldsWriter; + + public DocFieldProcessor(DocumentsWriter docWriter, DocFieldConsumer consumer) { + this.docWriter = docWriter; + this.consumer = consumer; + fieldInfos = docWriter.getFieldInfos(); + consumer.setFieldInfos(fieldInfos); + fieldsWriter = new StoredFieldsWriter(docWriter, fieldInfos); + } + + @Override + public void flush(Collection threads, SegmentWriteState state) throws IOException { + + Map> childThreadsAndFields = new HashMap>(); + for ( DocConsumerPerThread thread : threads) { + DocFieldProcessorPerThread perThread = (DocFieldProcessorPerThread) thread; + childThreadsAndFields.put(perThread.consumer, perThread.fields()); + perThread.trimFields(state); + } + + fieldsWriter.flush(state); + consumer.flush(childThreadsAndFields, state); + + // Important to save after asking consumer to flush so + // consumer can alter the FieldInfo* if necessary. EG, + // FreqProxTermsWriter does this with + // FieldInfo.storePayload. + final String fileName = IndexFileNames.segmentFileName(state.segmentName, IndexFileNames.FIELD_INFOS_EXTENSION); + fieldInfos.write(state.directory, fileName); + } + + @Override + public void abort() { + try { + fieldsWriter.abort(); + } finally { + consumer.abort(); + } + } + + @Override + public boolean freeRAM() { + return consumer.freeRAM(); + } + + @Override + public DocConsumerPerThread addThread(DocumentsWriterThreadState threadState) throws IOException { + return new DocFieldProcessorPerThread(threadState, this); + } +}