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DATAES-52 - Support Get & Multi Get

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Removed getObject() as it was already implemented using queryForObject()

Changed Method name to multiGet() from getObjects()

Made method to accept searchQuery instead of individual params
This commit is contained in:
Mohsin Husen 2014-02-23 13:02:30 +00:00
parent ab7c01b37c
commit c2a53715d8
6 changed files with 132 additions and 103 deletions
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16
src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchOperations.java Normal file → Executable file
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@ -15,7 +15,6 @@
*/
package org.springframework.data.elasticsearch.core;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
@ -186,22 +185,11 @@ public interface ElasticsearchOperations {
/**
* Execute a multiget against elasticsearch for the given ids
*
* @param ids
* @param route
* @param searchQuery
* @param clazz
* @return
*/
<T> LinkedList<T> getObjects(Collection<String> ids, String route, Class<T> clazz);
/**
* Execute a get against elasticsearch for the given id
*
* @param id
* @param route
* @param clazz
* @return
*/
<T> T getObject(String id, String route, Class<T> clazz);
<T> LinkedList<T> multiGet(SearchQuery searchQuery, Class<T> clazz);
/**
* Index an object. Will do save or update

31
src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplate.java Normal file → Executable file
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@ -247,11 +247,24 @@ public class ElasticsearchTemplate implements ElasticsearchOperations {
}
@Override
public <T> LinkedList<T> getObjects(Collection<String> ids, String route, Class<T> clazz) {
public <T> LinkedList<T> multiGet(SearchQuery searchQuery, Class<T> clazz) {
ElasticsearchPersistentEntity<T> persistentEntity = getPersistentEntityFor(clazz);
MultiGetRequestBuilder builder = client.prepareMultiGet();
for (String id : ids) {
builder.add(new MultiGetRequest.Item(persistentEntity.getIndexName(), persistentEntity.getIndexType(), id).routing(route));
for (String id : searchQuery.getIds()) {
MultiGetRequest.Item item = new MultiGetRequest.Item(persistentEntity.getIndexName(), persistentEntity.getIndexType(), id);
if (searchQuery.getRoute() != null) {
item = item.routing(searchQuery.getRoute());
}
if (searchQuery.getFields() != null && !searchQuery.getFields().isEmpty()) {
item = item.fields(toArray(searchQuery.getFields()));
}
builder.add(item);
}
MultiGetResponse responses = builder.execute().actionGet();
final LinkedList<T> result = new LinkedList<T>();
@ -263,18 +276,6 @@ public class ElasticsearchTemplate implements ElasticsearchOperations {
return result;
}
@Override
public <T> T getObject(String id, String route, Class<T> clazz) {
if (id != null) {
ElasticsearchPersistentEntity<T> persistentEntity = getPersistentEntityFor(clazz);
GetResponse response = client
.prepareGet(persistentEntity.getIndexName(), persistentEntity.getIndexType(), id).setRouting(route)
.execute().actionGet();
return resultsMapper.mapResult(response, clazz);
}
return null;
}
@Override
public String index(IndexQuery query) {
String documentId = prepareIndex(query).execute().actionGet().getId();

19
src/main/java/org/springframework/data/elasticsearch/core/query/AbstractQuery.java Normal file → Executable file
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@ -18,6 +18,7 @@ package org.springframework.data.elasticsearch.core.query;
import static org.apache.commons.collections.CollectionUtils.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.springframework.data.domain.Pageable;
@ -38,6 +39,8 @@ abstract class AbstractQuery implements Query {
protected List<String> types = new ArrayList<String>();
protected List<String> fields = new ArrayList<String>();
protected float minScore;
protected Collection<String> ids;
protected String route;
@Override
public Sort getSort() {
@ -108,4 +111,20 @@ abstract class AbstractQuery implements Query {
public void setMinScore(float minScore) {
this.minScore = minScore;
}
public Collection<String> getIds() {
return ids;
}
public void setIds(Collection<String> ids) {
this.ids = ids;
}
public String getRoute() {
return route;
}
public void setRoute(String route) {
this.route = route;
}
}

26
src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQueryBuilder.java Normal file → Executable file
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@ -16,6 +16,7 @@
package org.springframework.data.elasticsearch.core.query;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.commons.collections.CollectionUtils;
@ -46,6 +47,8 @@ public class NativeSearchQueryBuilder {
private String[] types;
private String[] fields;
private float minScore;
private Collection<String> ids;
private String route;
public NativeSearchQueryBuilder withQuery(QueryBuilder queryBuilder) {
this.queryBuilder = queryBuilder;
@ -97,20 +100,34 @@ public class NativeSearchQueryBuilder {
return this;
}
public NativeSearchQueryBuilder withIds(Collection<String> ids) {
this.ids = ids;
return this;
}
public NativeSearchQueryBuilder withRoute(String route) {
this.route = route;
return this;
}
public NativeSearchQuery build() {
NativeSearchQuery nativeSearchQuery = new NativeSearchQuery(queryBuilder, filterBuilder, sortBuilders, highlightFields);
if (pageable != null) {
nativeSearchQuery.setPageable(pageable);
}
if (indices != null) {
nativeSearchQuery.addIndices(indices);
}
if (types != null) {
nativeSearchQuery.addTypes(types);
}
if (fields != null) {
nativeSearchQuery.addFields(fields);
}
if (CollectionUtils.isNotEmpty(facetRequests)) {
nativeSearchQuery.setFacets(facetRequests);
}
@ -118,6 +135,15 @@ public class NativeSearchQueryBuilder {
if (minScore > 0) {
nativeSearchQuery.setMinScore(minScore);
}
if (ids != null) {
nativeSearchQuery.setIds(ids);
}
if (route != null) {
nativeSearchQuery.setRoute(route);
}
return nativeSearchQuery;
}
}

15
src/main/java/org/springframework/data/elasticsearch/core/query/Query.java
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@ -15,6 +15,7 @@
*/
package org.springframework.data.elasticsearch.core.query;
import java.util.Collection;
import java.util.List;
import org.springframework.data.domain.PageRequest;
@ -115,4 +116,18 @@ public interface Query {
* @return
*/
float getMinScore();
/**
* Get Ids
*
* @return
*/
Collection<String> getIds();
/**
* Get route
*
* @return
*/
String getRoute();
}

24
src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateTests.java Normal file → Executable file
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@ -112,27 +112,6 @@ public class ElasticsearchTemplateTests {
assertEquals(sampleEntity, sampleEntity1);
}
@Test
public void shouldReturnObjectForGivenIdUsingGet() {
// given
String documentId = randomNumeric(5);
SampleEntity sampleEntity = new SampleEntity();
sampleEntity.setId(documentId);
sampleEntity.setMessage("some message");
sampleEntity.setVersion(System.currentTimeMillis());
IndexQuery indexQuery = new IndexQuery();
indexQuery.setId(documentId);
indexQuery.setObject(sampleEntity);
elasticsearchTemplate.index(indexQuery);
// when
SampleEntity sampleEntity1 = elasticsearchTemplate.getObject(documentId, "", SampleEntity.class);
// then
assertNotNull("not null....", sampleEntity1);
assertEquals(sampleEntity, sampleEntity1);
}
@Test
public void shouldReturnObjectsForGivenIdsUsingMultiGet() {
// given
@ -166,7 +145,8 @@ public class ElasticsearchTemplateTests {
elasticsearchTemplate.refresh(SampleEntity.class, true);
// when
LinkedList<SampleEntity> sampleEntities = elasticsearchTemplate.getObjects(Arrays.asList(documentId, documentId2), "", SampleEntity.class);
SearchQuery query = new NativeSearchQueryBuilder().withIds(Arrays.asList(documentId, documentId2)).build();
LinkedList<SampleEntity> sampleEntities = elasticsearchTemplate.multiGet(query, SampleEntity.class);
// then
assertThat(sampleEntities.size(), is(equalTo(2)));
assertEquals(sampleEntities.get(0), sampleEntity1);