mirror of https://github.com/apache/lucene.git
simplify/shorten builtin functions
git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@881607 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yonik Seeley
parent
95f0843af7
commit
c30cf86921
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@ -25,27 +25,7 @@ import org.apache.solr.schema.DateField;
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import org.apache.solr.schema.LegacyDateField;
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import org.apache.solr.schema.SchemaField;
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import org.apache.solr.schema.TrieDateField;
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import org.apache.solr.search.function.BoostedQuery;
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import org.apache.solr.search.function.DegreeFunction;
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import org.apache.solr.search.function.DivFloatFunction;
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import org.apache.solr.search.function.DocValues;
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import org.apache.solr.search.function.DualFloatFunction;
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import org.apache.solr.search.function.LinearFloatFunction;
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import org.apache.solr.search.function.MaxFloatFunction;
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import org.apache.solr.search.function.OrdFieldSource;
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import org.apache.solr.search.function.PowFloatFunction;
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import org.apache.solr.search.function.ProductFloatFunction;
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import org.apache.solr.search.function.QueryValueSource;
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import org.apache.solr.search.function.RadianFunction;
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import org.apache.solr.search.function.RangeMapFloatFunction;
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import org.apache.solr.search.function.ReciprocalFloatFunction;
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import org.apache.solr.search.function.ReverseOrdFieldSource;
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import org.apache.solr.search.function.ScaleFloatFunction;
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import org.apache.solr.search.function.SimpleFloatFunction;
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import org.apache.solr.search.function.SumFloatFunction;
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import org.apache.solr.search.function.TopValueSource;
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import org.apache.solr.search.function.ValueSource;
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import org.apache.solr.search.function.LiteralValueSource;
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import org.apache.solr.search.function.*;
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import org.apache.solr.search.function.distance.HaversineFunction;
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@ -71,7 +51,8 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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/**
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* Initialize the plugin.
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*/
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public abstract void init(NamedList args);
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public void init(NamedList args) {}
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/**
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* Parse the user input into a ValueSource.
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@ -84,71 +65,55 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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/* standard functions */
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public static Map<String, ValueSourceParser> standardValueSourceParsers = new HashMap<String, ValueSourceParser>();
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/** Adds a new parser for the name and returns any existing one that was overriden.
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* This is not thread safe.
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*/
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public static ValueSourceParser addParser(String name, ValueSourceParser p) {
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return standardValueSourceParsers.put(name, p);
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}
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static {
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standardValueSourceParsers.put("ord", new ValueSourceParser() {
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addParser("ord", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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String field = fp.parseId();
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return new TopValueSource(new OrdFieldSource(field));
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("literal", new ValueSourceParser() {
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addParser("literal", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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return new LiteralValueSource(fp.getString());
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("rord", new ValueSourceParser() {
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addParser("rord", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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String field = fp.parseId();
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return new TopValueSource(new ReverseOrdFieldSource(field));
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("top", new ValueSourceParser() {
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addParser("top", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource source = fp.parseValueSource();
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// nested top is redundant, and ord and rord get automatically wrapped
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if (source instanceof TopValueSource) return source;
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return new TopValueSource(source);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("linear", new ValueSourceParser() {
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addParser("linear", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource source = fp.parseValueSource();
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float slope = fp.parseFloat();
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float intercept = fp.parseFloat();
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return new LinearFloatFunction(source, slope, intercept);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("max", new ValueSourceParser() {
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addParser("max", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource source = fp.parseValueSource();
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float val = fp.parseFloat();
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return new MaxFloatFunction(source, val);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("recip", new ValueSourceParser() {
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addParser("recip", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource source = fp.parseValueSource();
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float m = fp.parseFloat();
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@ -156,46 +121,30 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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float b = fp.parseFloat();
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return new ReciprocalFloatFunction(source, m, a, b);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("scale", new ValueSourceParser() {
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addParser("scale", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource source = fp.parseValueSource();
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float min = fp.parseFloat();
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float max = fp.parseFloat();
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return new TopValueSource(new ScaleFloatFunction(source, min, max));
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("pow", new ValueSourceParser() {
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addParser("pow", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource a = fp.parseValueSource();
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ValueSource b = fp.parseValueSource();
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return new PowFloatFunction(a, b);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("div", new ValueSourceParser() {
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addParser("div", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource a = fp.parseValueSource();
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ValueSource b = fp.parseValueSource();
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return new DivFloatFunction(a, b);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("map", new ValueSourceParser() {
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addParser("map", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource source = fp.parseValueSource();
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float min = fp.parseFloat();
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@ -204,12 +153,8 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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Float def = fp.hasMoreArguments() ? fp.parseFloat() : null;
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return new RangeMapFloatFunction(source, min, max, target, def);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("sqrt", new ValueSourceParser() {
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addParser("sqrt", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource source = fp.parseValueSource();
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return new SimpleFloatFunction(source) {
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@ -222,11 +167,8 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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}
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};
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("log", new ValueSourceParser() {
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addParser("log", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource source = fp.parseValueSource();
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return new SimpleFloatFunction(source) {
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@ -239,12 +181,8 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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}
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};
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("abs", new ValueSourceParser() {
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addParser("abs", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource source = fp.parseValueSource();
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return new SimpleFloatFunction(source) {
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@ -257,32 +195,20 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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}
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};
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("sum", new ValueSourceParser() {
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addParser("sum", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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List<ValueSource> sources = fp.parseValueSourceList();
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return new SumFloatFunction(sources.toArray(new ValueSource[sources.size()]));
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("product", new ValueSourceParser() {
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addParser("product", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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List<ValueSource> sources = fp.parseValueSourceList();
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return new ProductFloatFunction(sources.toArray(new ValueSource[sources.size()]));
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("sub", new ValueSourceParser() {
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addParser("sub", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource a = fp.parseValueSource();
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ValueSource b = fp.parseValueSource();
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@ -296,12 +222,8 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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}
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};
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("query", new ValueSourceParser() {
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addParser("query", new ValueSourceParser() {
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// boost(query($q),rating)
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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Query q = fp.parseNestedQuery();
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@ -311,24 +233,16 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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}
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return new QueryValueSource(q, defVal);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("boost", new ValueSourceParser() {
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addParser("boost", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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Query q = fp.parseNestedQuery();
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ValueSource vs = fp.parseValueSource();
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BoostedQuery bq = new BoostedQuery(q, vs);
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return new QueryValueSource(bq, 0.0f);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("hsin", new ValueSourceParser() {
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addParser("hsin", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource x1 = fp.parseValueSource();
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@ -339,13 +253,9 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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return new HaversineFunction(x1, y1, x2, y2, radius);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("ghhsin", new ValueSourceParser() {
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addParser("ghhsin", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource gh1 = fp.parseValueSource();
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@ -354,13 +264,9 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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return new GeohashHaversineFunction(gh1, gh2, radius);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("geohash", new ValueSourceParser() {
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addParser("geohash", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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ValueSource lat = fp.parseValueSource();
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@ -368,34 +274,22 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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return new GeohashFunction(lat, lon);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("rad", new ValueSourceParser() {
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addParser("rad", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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return new RadianFunction(fp.parseValueSource());
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("deg", new ValueSourceParser() {
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addParser("deg", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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return new DegreeFunction(fp.parseValueSource());
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("sqedist", new ValueSourceParser() {
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addParser("sqedist", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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List<ValueSource> sources = fp.parseValueSourceList();
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if (sources.size() % 2 != 0) {
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@ -408,13 +302,9 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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splitSources(dim, sources, sources1, sources2);
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return new SquaredEuclideanFunction(sources1, sources2);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("dist", new ValueSourceParser() {
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addParser("dist", new ValueSourceParser() {
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public ValueSource parse(FunctionQParser fp) throws ParseException {
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float power = fp.parseFloat();
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List<ValueSource> sources = fp.parseValueSourceList();
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@ -427,12 +317,8 @@ public abstract class ValueSourceParser implements NamedListInitializedPlugin {
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splitSources(dim, sources, sources1, sources2);
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return new VectorDistanceFunction(power, sources1, sources2);
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}
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public void init(NamedList args) {
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}
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});
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standardValueSourceParsers.put("ms", new DateValueSourceParser());
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addParser("ms", new DateValueSourceParser());
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}
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protected void splitSources(int dim, List<ValueSource> sources, List<ValueSource> dest1, List<ValueSource> dest2) {
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@ -596,4 +482,4 @@ class LongConstValueSource extends ValueSource {
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LongConstValueSource other = (LongConstValueSource) o;
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return this.constant == other.constant;
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}
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}
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}
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