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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.client.dsl;
import java.util.HashMap;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* Helper class for generating Annotation
* https://docs.vespa.ai/en/reference/query-language-reference.html#annotations
*/
public class A {
private A() { }
private final static Annotation EMPTY = new Annotation();
/**
* Empty annotation.
*
* @return the annotation
*/
static public Annotation empty() {
return EMPTY;
}
/**
* Filter annotation.
*
* @return the annotation
*/
static public Annotation filter() {
return a("filter", true);
}
/**
* Default index annotation.
*
* @param index the search index
* @return the annotation
*/
static public Annotation defaultIndex(String index) {
return a("defaultIndex", index);
}
/**
* Arbitrary key-value pair annotation.
*
* @param name the name
* @param value the value
* @return the annotation
*/
public static Annotation a(String name, Object value) {
Map<String, Object> map = new HashMap<>();
map.put(name, value);
return new Annotation(map);
}
/**
* Arbitrary annotation given by the map.
*
* @param annotation the annotation
* @return the annotation
*/
public static Annotation a(Map<String, Object> annotation) {
if (annotation.isEmpty()) {
return empty();
}
return new Annotation(annotation);
}
public static Annotation a(String n1, Object v1, String n2, Object v2) {
return a(new Object[][]{{n1, v1}, {n2, v2}});
}
public static Annotation a(String n1, Object v1, String n2, Object v2, String n3, Object v3) {
return a(new Object[][]{{n1, v1}, {n2, v2}, {n3, v3}});
}
public static Annotation a(String n1, Object v1, String n2, Object v2, String n3, Object v3, String n4, Object v4) {
return a(new Object[][]{{n1, v1}, {n2, v2}, {n3, v3}, {n4, v4}});
}
public static Annotation a(String n1, Object v1, String n2, Object v2, String n3, Object v3, String n4, Object v4,
String n5, Object v5) {
return a(new Object[][]{{n1, v1}, {n2, v2}, {n3, v3}, {n4, v4}, {n5, v5}});
}
public static Annotation a(String n1, Object v1, String n2, Object v2, String n3, Object v3, String n4, Object v4,
String n5, Object v5, String n6, Object v6) {
return a(new Object[][]{{n1, v1}, {n2, v2}, {n3, v3}, {n4, v4}, {n5, v5}, {n6, v6}});
}
private static Annotation a(Object[][] kvpairs) {
return new Annotation(Stream.of(kvpairs).collect(Collectors.toMap(o -> o[0].toString(), o -> o[1])));
}
static boolean hasAnnotation(Annotation annotation) {
return annotation != null && !EMPTY.equals(annotation);
}
}
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