X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/spans/SpanPositionCheckQuery.java

diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/spans/SpanPositionCheckQuery.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/spans/SpanPositionCheckQuery.java
deleted file mode 100644
index a2deeb6..0000000
--- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/spans/SpanPositionCheckQuery.java
+++ /dev/null
@@ -1,175 +0,0 @@
-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.search.Query;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Set;
-
-
-/**
- *
- *
- **/
-public abstract class SpanPositionCheckQuery extends SpanQuery implements Cloneable {
-  protected SpanQuery match;
-
-
-  public SpanPositionCheckQuery(SpanQuery match) {
-    this.match = match;
-  }
-
-  /**
-   * @return the SpanQuery whose matches are filtered.
-   *
-   * */
-  public SpanQuery getMatch() { return match; }
-
-
-
-  @Override
-  public String getField() { return match.getField(); }
-
-
-
-  @Override
-  public void extractTerms(Set<Term> terms) {
-	    match.extractTerms(terms);
-  }
-
-  /** Return value if the match should be accepted {@code YES}, rejected {@code NO},
-   * or rejected and enumeration should advance to the next document {@code NO_AND_ADVANCE}.
-   * @see #acceptPosition(Spans)
-   */
-  protected static enum AcceptStatus { YES, NO, NO_AND_ADVANCE };
-  
-  /**
-   * Implementing classes are required to return whether the current position is a match for the passed in
-   * "match" {@link org.apache.lucene.search.spans.SpanQuery}.
-   *
-   * This is only called if the underlying {@link org.apache.lucene.search.spans.Spans#next()} for the
-   * match is successful
-   *
-   *
-   * @param spans The {@link org.apache.lucene.search.spans.Spans} instance, positioned at the spot to check
-   * @return whether the match is accepted, rejected, or rejected and should move to the next doc.
-   *
-   * @see org.apache.lucene.search.spans.Spans#next()
-   *
-   */
-  protected abstract AcceptStatus acceptPosition(Spans spans) throws IOException;
-
-  @Override
-  public Spans getSpans(final IndexReader reader) throws IOException {
-    return new PositionCheckSpan(reader);
-  }
-
-
-  @Override
-  public Query rewrite(IndexReader reader) throws IOException {
-    SpanPositionCheckQuery clone = null;
-
-    SpanQuery rewritten = (SpanQuery) match.rewrite(reader);
-    if (rewritten != match) {
-      clone = (SpanPositionCheckQuery) this.clone();
-      clone.match = rewritten;
-    }
-
-    if (clone != null) {
-      return clone;                        // some clauses rewrote
-    } else {
-      return this;                         // no clauses rewrote
-    }
-  }
-
-  protected class PositionCheckSpan extends Spans {
-    private Spans spans;
-
-    public PositionCheckSpan(IndexReader reader) throws IOException {
-      spans = match.getSpans(reader);
-    }
-
-    @Override
-    public boolean next() throws IOException {
-      if (!spans.next())
-        return false;
-      
-      return doNext();
-    }
-
-    @Override
-    public boolean skipTo(int target) throws IOException {
-      if (!spans.skipTo(target))
-        return false;
-
-      return doNext();
-    }
-    
-    protected boolean doNext() throws IOException {
-      for (;;) {
-        switch(acceptPosition(this)) {
-          case YES: return true;
-          case NO: 
-            if (!spans.next()) 
-              return false;
-            break;
-          case NO_AND_ADVANCE: 
-            if (!spans.skipTo(spans.doc()+1)) 
-              return false;
-            break;
-        }
-      }
-    }
-
-    @Override
-    public int doc() { return spans.doc(); }
-
-    @Override
-    public int start() { return spans.start(); }
-
-    @Override
-    public int end() { return spans.end(); }
-    // TODO: Remove warning after API has been finalized
-
-    @Override
-    public Collection<byte[]> getPayload() throws IOException {
-      ArrayList<byte[]> result = null;
-      if (spans.isPayloadAvailable()) {
-        result = new ArrayList<byte[]>(spans.getPayload());
-      }
-      return result;//TODO: any way to avoid the new construction?
-    }
-    // TODO: Remove warning after API has been finalized
-
-    @Override
-    public boolean isPayloadAvailable() {
-      return spans.isPayloadAvailable();
-    }
-
-    @Override
-    public String toString() {
-        return "spans(" + SpanPositionCheckQuery.this.toString() + ")";
-      }
-
-  }
-}
\ No newline at end of file