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avoid code duplication, patch by Stephane Bailliez (#36078) 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@231075 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Daniel Naber 2005-08-09 18:15:30 +00:00
parent c95a5c5390
commit 2b9294887f
1 changed files with 47 additions and 90 deletions
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137
src/java/org/apache/lucene/search/FieldDocSortedHitQueue.java
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@ -107,97 +107,54 @@ extends PriorityQueue {
int c = 0;
for (int i=0; i<n && c==0; ++i) {
final int type = fields[i].getType();
switch (type) {
case SortField.SCORE:
float r1 = ((Float)docA.fields[i]).floatValue();
float r2 = ((Float)docB.fields[i]).floatValue();
if (r1 > r2) c = -1;
if (r1 < r2) c = 1;
break;
case SortField.DOC:
case SortField.INT:
int i1 = ((Integer)docA.fields[i]).intValue();
int i2 = ((Integer)docB.fields[i]).intValue();
if (i1 < i2) c = -1;
if (i1 > i2) c = 1;
break;
case SortField.STRING:
String s1 = (String) docA.fields[i];
String s2 = (String) docB.fields[i];
// null values need to be sorted first, because of how FieldCache.getStringIndex()
// works - in that routine, any documents without a value in the given field are
// put first.
if (s1 == null) c = -1; // could be null if there are
else if (s2 == null) c = 1; // no terms in the given field
else if (fields[i].getLocale() == null) {
c = s1.compareTo(s2);
} else {
c = collators[i].compare (s1, s2);
}
break;
case SortField.FLOAT:
float f1 = ((Float)docA.fields[i]).floatValue();
float f2 = ((Float)docB.fields[i]).floatValue();
if (f1 < f2) c = -1;
if (f1 > f2) c = 1;
break;
case SortField.CUSTOM:
c = docA.fields[i].compareTo (docB.fields[i]);
break;
case SortField.AUTO:
// we cannot handle this - even if we determine the type of object (Float or
// Integer), we don't necessarily know how to compare them (both SCORE and
// FLOAT contain floats, but are sorted opposite of each other). Before
// we get here, each AUTO should have been replaced with its actual value.
throw new RuntimeException ("FieldDocSortedHitQueue cannot use an AUTO SortField");
default:
throw new RuntimeException ("invalid SortField type: "+type);
}
if (fields[i].getReverse()) {
switch (type) {
case SortField.SCORE:
float r1 = ((Float)docA.fields[i]).floatValue();
float r2 = ((Float)docB.fields[i]).floatValue();
if (r1 < r2) c = -1;
if (r1 > r2) c = 1;
break;
case SortField.DOC:
case SortField.INT:
int i1 = ((Integer)docA.fields[i]).intValue();
int i2 = ((Integer)docB.fields[i]).intValue();
if (i1 > i2) c = -1;
if (i1 < i2) c = 1;
break;
case SortField.STRING:
String s1 = (String) docA.fields[i];
String s2 = (String) docB.fields[i];
if (s2 == null) c = -1; // could be null if there are
else if (s1 == null) c = 1; // no terms in the given field
else if (fields[i].getLocale() == null) {
c = s2.compareTo(s1);
} else {
c = collators[i].compare (s2, s1);
}
break;
case SortField.FLOAT:
float f1 = ((Float)docA.fields[i]).floatValue();
float f2 = ((Float)docB.fields[i]).floatValue();
if (f1 > f2) c = -1;
if (f1 < f2) c = 1;
break;
case SortField.CUSTOM:
c = docB.fields[i].compareTo (docA.fields[i]);
break;
case SortField.AUTO:
// we cannot handle this - even if we determine the type of object (Float or
// Integer), we don't necessarily know how to compare them (both SCORE and
// FLOAT both contain floats, but are sorted opposite of each other). Before
// we get here, each AUTO should have been replaced with its actual value.
throw new RuntimeException ("FieldDocSortedHitQueue cannot use an AUTO SortField");
default:
throw new RuntimeException ("invalid SortField type: "+type);
}
} else {
switch (type) {
case SortField.SCORE:
float r1 = ((Float)docA.fields[i]).floatValue();
float r2 = ((Float)docB.fields[i]).floatValue();
if (r1 > r2) c = -1;
if (r1 < r2) c = 1;
break;
case SortField.DOC:
case SortField.INT:
int i1 = ((Integer)docA.fields[i]).intValue();
int i2 = ((Integer)docB.fields[i]).intValue();
if (i1 < i2) c = -1;
if (i1 > i2) c = 1;
break;
case SortField.STRING:
String s1 = (String) docA.fields[i];
String s2 = (String) docB.fields[i];
// null values need to be sorted first, because of how FieldCache.getStringIndex()
// works - in that routine, any documents without a value in the given field are
// put first.
if (s1 == null) c = -1; // could be null if there are
else if (s2 == null) c = 1; // no terms in the given field
else if (fields[i].getLocale() == null) {
c = s1.compareTo(s2);
} else {
c = collators[i].compare (s1, s2);
}
break;
case SortField.FLOAT:
float f1 = ((Float)docA.fields[i]).floatValue();
float f2 = ((Float)docB.fields[i]).floatValue();
if (f1 < f2) c = -1;
if (f1 > f2) c = 1;
break;
case SortField.CUSTOM:
c = docA.fields[i].compareTo (docB.fields[i]);
break;
case SortField.AUTO:
// we cannot handle this - even if we determine the type of object (Float or
// Integer), we don't necessarily know how to compare them (both SCORE and
// FLOAT both contain floats, but are sorted opposite of each other). Before
// we get here, each AUTO should have been replaced with its actual value.
throw new RuntimeException ("FieldDocSortedHitQueue cannot use an AUTO SortField");
default:
throw new RuntimeException ("invalid SortField type: "+type);
}
c = -c;
}
}
return c > 0;