pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / src / java / org / apache / lucene / index / StoredFieldsWriterPerThread.java

diff --git a/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/StoredFieldsWriterPerThread.java b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/StoredFieldsWriterPerThread.java
new file mode 100644 (file)
index 0000000..a0e77ae
--- /dev/null
+++ b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/StoredFieldsWriterPerThread.java
@@ -0,0 +1,79 @@
+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 org.apache.lucene.store.IndexOutput;
+import org.apache.lucene.document.Fieldable;
+
+final class StoredFieldsWriterPerThread {
+
+  final FieldsWriter localFieldsWriter;
+  final StoredFieldsWriter storedFieldsWriter;
+  final DocumentsWriter.DocState docState;
+
+  StoredFieldsWriter.PerDoc doc;
+
+  public StoredFieldsWriterPerThread(DocumentsWriter.DocState docState, StoredFieldsWriter storedFieldsWriter) throws IOException {
+    this.storedFieldsWriter = storedFieldsWriter;
+    this.docState = docState;
+    localFieldsWriter = new FieldsWriter((IndexOutput) null, (IndexOutput) null, storedFieldsWriter.fieldInfos);
+  }
+
+  public void startDocument() {
+    if (doc != null) {
+      // Only happens if previous document hit non-aborting
+      // exception while writing stored fields into
+      // localFieldsWriter:
+      doc.reset();
+      doc.docID = docState.docID;
+    }
+  }
+
+  public void addField(Fieldable field, FieldInfo fieldInfo) throws IOException {
+    if (doc == null) {
+      doc = storedFieldsWriter.getPerDoc();
+      doc.docID = docState.docID;
+      localFieldsWriter.setFieldsStream(doc.fdt);
+      assert doc.numStoredFields == 0: "doc.numStoredFields=" + doc.numStoredFields;
+      assert 0 == doc.fdt.length();
+      assert 0 == doc.fdt.getFilePointer();
+    }
+
+    localFieldsWriter.writeField(fieldInfo, field);
+    assert docState.testPoint("StoredFieldsWriterPerThread.processFields.writeField");
+    doc.numStoredFields++;
+  }
+
+  public DocumentsWriter.DocWriter finishDocument() {
+    // If there were any stored fields in this doc, doc will
+    // be non-null; else it's null.
+    try {
+      return doc;
+    } finally {
+      doc = null;
+    }
+  }
+
+  public void abort() {
+    if (doc != null) {
+      doc.abort();
+      doc = null;
+    }
+  }
+}