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this 'Priv' wrapper trick isn't portable (seems to work on sun-only 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1033074 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Muir 2010-11-09 16:34:34 +00:00
parent 48cfdf0738
commit e3232c3289
1 changed files with 38 additions and 43 deletions
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81
lucene/src/java/org/apache/lucene/search/FuzzyTermsEnum.java
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@ -55,7 +55,7 @@ public final class FuzzyTermsEnum extends TermsEnum {
attributes().addAttribute(MultiTermQuery.BoostAttribute.class);
private final MultiTermQuery.MaxNonCompetitiveBoostAttribute maxBoostAtt;
private final Priv.LevenshteinAutomataAttribute dfaAtt;
private final LevenshteinAutomataAttribute dfaAtt;
private float bottom;
private BytesRef bottomTerm;
@ -110,7 +110,7 @@ public final class FuzzyTermsEnum extends TermsEnum {
for (int cp, i = 0, j = 0; i < utf16.length(); i += Character.charCount(cp))
termText[j++] = cp = utf16.codePointAt(i);
this.termLength = termText.length;
this.dfaAtt = atts.addAttribute(Priv.LevenshteinAutomataAttribute.class);
this.dfaAtt = atts.addAttribute(LevenshteinAutomataAttribute.class);
//The prefix could be longer than the word.
//It's kind of silly though. It means we must match the entire word.
@ -552,49 +552,44 @@ public final class FuzzyTermsEnum extends TermsEnum {
return scale_factor;
}
// Wrapper class to hide the attribute from outside!
private static final class Priv {
/** @lucene.internal */
public static interface LevenshteinAutomataAttribute extends Attribute {
public List<ByteRunAutomaton> automata();
}
/** @lucene.internal */
public static interface LevenshteinAutomataAttribute extends Attribute {
public List<ByteRunAutomaton> automata();
}
/** @lucene.internal */
public static final class LevenshteinAutomataAttributeImpl extends AttributeImpl implements LevenshteinAutomataAttribute {
private final List<ByteRunAutomaton> automata = new ArrayList<ByteRunAutomaton>();
/** @lucene.internal */
public static final class LevenshteinAutomataAttributeImpl extends AttributeImpl implements LevenshteinAutomataAttribute {
private final List<ByteRunAutomaton> automata = new ArrayList<ByteRunAutomaton>();
public List<ByteRunAutomaton> automata() {
return automata;
}
@Override
public void clear() {
automata.clear();
}
@Override
public int hashCode() {
return automata.hashCode();
}
@Override
public boolean equals(Object other) {
if (this == other)
return true;
if (!(other instanceof LevenshteinAutomataAttributeImpl))
return false;
return automata.equals(((LevenshteinAutomataAttributeImpl) other).automata);
}
@Override
public void copyTo(AttributeImpl target) {
final List<ByteRunAutomaton> targetAutomata =
((LevenshteinAutomataAttribute) target).automata();
targetAutomata.clear();
targetAutomata.addAll(automata);
}
public List<ByteRunAutomaton> automata() {
return automata;
}
@Override
public void clear() {
automata.clear();
}
@Override
public int hashCode() {
return automata.hashCode();
}
@Override
public boolean equals(Object other) {
if (this == other)
return true;
if (!(other instanceof LevenshteinAutomataAttributeImpl))
return false;
return automata.equals(((LevenshteinAutomataAttributeImpl) other).automata);
}
@Override
public void copyTo(AttributeImpl target) {
final List<ByteRunAutomaton> targetAutomata =
((LevenshteinAutomataAttribute) target).automata();
targetAutomata.clear();
targetAutomata.addAll(automata);
}
}
}