pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / src / java / org / apache / lucene / search / spans / SpanTermQuery.java

diff --git a/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/search/spans/SpanTermQuery.java b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/search/spans/SpanTermQuery.java
new file mode 100644 (file)
index 0000000..2808c4b
--- /dev/null
+++ b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/search/spans/SpanTermQuery.java
@@ -0,0 +1,86 @@
+package org.apache.lucene.search.spans;
+
+/**
+ * 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 org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.util.ToStringUtils;
+
+import java.io.IOException;
+import java.util.Set;
+
+/** Matches spans containing a term. */
+public class SpanTermQuery extends SpanQuery {
+  protected Term term;
+
+  /** Construct a SpanTermQuery matching the named term's spans. */
+  public SpanTermQuery(Term term) { this.term = term; }
+
+  /** Return the term whose spans are matched. */
+  public Term getTerm() { return term; }
+
+  @Override
+  public String getField() { return term.field(); }
+  
+  @Override
+  public void extractTerms(Set<Term> terms) {
+         terms.add(term);
+  }
+
+  @Override
+  public String toString(String field) {
+    StringBuilder buffer = new StringBuilder();
+    if (term.field().equals(field))
+      buffer.append(term.text());
+    else
+      buffer.append(term.toString());
+    buffer.append(ToStringUtils.boost(getBoost()));
+    return buffer.toString();
+  }
+
+  @Override
+  public int hashCode() {
+    final int prime = 31;
+    int result = super.hashCode();
+    result = prime * result + ((term == null) ? 0 : term.hashCode());
+    return result;
+  }
+
+  @Override
+  public boolean equals(Object obj) {
+    if (this == obj)
+      return true;
+    if (!super.equals(obj))
+      return false;
+    if (getClass() != obj.getClass())
+      return false;
+    SpanTermQuery other = (SpanTermQuery) obj;
+    if (term == null) {
+      if (other.term != null)
+        return false;
+    } else if (!term.equals(other.term))
+      return false;
+    return true;
+  }
+
+  @Override
+  public Spans getSpans(final IndexReader reader) throws IOException {
+    return new TermSpans(reader.termPositions(term), term);
+  }
+
+}