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more easily add a field with boost to multi match builder

This commit is contained in:
Shay Banon 2012-09-20 12:38:13 +02:00
parent 83a39bd509
commit 0fadbf2177
2 changed files with 56 additions and 15 deletions
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40
src/main/java/org/elasticsearch/index/query/MultiMatchQueryBuilder.java
View File

@ -19,6 +19,9 @@
package org.elasticsearch.index.query;
import com.google.common.collect.Lists;
import gnu.trove.impl.Constants;
import gnu.trove.map.hash.TObjectFloatHashMap;
import org.elasticsearch.common.xcontent.XContentBuilder;
import java.io.IOException;
@ -34,6 +37,7 @@ public class MultiMatchQueryBuilder extends BaseQueryBuilder implements Boostabl
private final Object text;
private final List<String> fields;
private TObjectFloatHashMap<String> fieldsBoosts;
private MatchQueryBuilder.Type type;
@ -67,10 +71,31 @@ public class MultiMatchQueryBuilder extends BaseQueryBuilder implements Boostabl
* Constructs a new text query.
*/
public MultiMatchQueryBuilder(Object text, String... fields) {
this.fields = Arrays.asList(fields);
this.fields = Lists.newArrayList();
this.fields.addAll(Arrays.asList(fields));
this.text = text;
}
/**
* Adds a field to run the multi match against.
*/
public MultiMatchQueryBuilder field(String field) {
fields.add(field);
return this;
}
/**
* Adds a field to run the multi match against with a specific boost.
*/
public MultiMatchQueryBuilder field(String field, float boost) {
fields.add(field);
if (fieldsBoosts == null) {
fieldsBoosts = new TObjectFloatHashMap<String>(Constants.DEFAULT_CAPACITY, Constants.DEFAULT_LOAD_FACTOR, -1);
}
fieldsBoosts.put(field, boost);
return this;
}
/**
* Sets the type of the text query.
*/
@ -172,7 +197,18 @@ public class MultiMatchQueryBuilder extends BaseQueryBuilder implements Boostabl
builder.startObject(MultiMatchQueryParser.NAME);
builder.field("query", text);
builder.field("fields", fields);
builder.startArray("fields");
for (String field : fields) {
float boost = -1;
if (fieldsBoosts != null) {
boost = fieldsBoosts.get(field);
}
if (boost != -1) {
field += "^" + boost;
}
builder.value(field);
}
builder.endArray();
if (type != null) {
builder.field("type", type.toString().toLowerCase(Locale.ENGLISH));

15
src/test/java/org/elasticsearch/test/integration/search/query/SimpleQueryTests.java
View File

@ -19,8 +19,6 @@
package org.elasticsearch.test.integration.search.query;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.ExceptionsHelper;
import org.elasticsearch.action.search.SearchPhaseExecutionException;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.Client;
@ -34,8 +32,6 @@ import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
import static org.elasticsearch.index.query.FilterBuilders.*;
@ -43,7 +39,6 @@ import static org.elasticsearch.index.query.QueryBuilders.*;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.anyOf;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.instanceOf;
import static org.testng.Assert.fail;
/**
@ -452,6 +447,16 @@ public class SimpleQueryTests extends AbstractNodesTests {
assertThat("3", equalTo(searchResponse.hits().getAt(0).id()));
assertThat("1", equalTo(searchResponse.hits().getAt(1).id()));
client.admin().indices().prepareRefresh("test").execute().actionGet();
builder = QueryBuilders.multiMatchQuery("value1").field("field1").field("field3", 1.5f)
.operator(MatchQueryBuilder.Operator.AND); // Operator only applies on terms inside a field! Fields are always OR-ed together.
searchResponse = client.prepareSearch()
.setQuery(builder)
.execute().actionGet();
assertThat(searchResponse.hits().totalHits(), equalTo(2l));
assertThat("3", equalTo(searchResponse.hits().getAt(0).id()));
assertThat("1", equalTo(searchResponse.hits().getAt(1).id()));
// Test lenient
client.prepareIndex("test", "type1", "3").setSource("field1", "value7", "field2", "value8", "field4", 5).execute().actionGet();
client.admin().indices().prepareRefresh("test").execute().actionGet();