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Respect the pagination size for queries #117

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Respect the pagination size for queries #117

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3 changes: 3 additions & 0 deletions src/changes/changes.xml
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Expand Up @@ -33,6 +33,9 @@
<action dev="derjust" issue="108" type="fix" date="2018-01-14">
Opened constructor and fixed NPE in case of missing DynamoDBConfig
</action>
<action dev="derjust" issue="89" type="add" date="2018-01-17">
Added basic support for Pageable
</action>
</release>
<release version="5.0.1" date="2018-01-06" description="Maintenance release">
<action dev="derjust" issue="68" type="fix" date="2017-12-01" >
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15 changes: 15 additions & 0 deletions ...org/socialsignin/spring/data/dynamodb/repository/query/AbstractDynamoDBQueryCriteria.java
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Expand Up @@ -29,6 +29,7 @@
import org.socialsignin.spring.data.dynamodb.marshaller.Instant2IsoDynamoDBMarshaller;
import org.socialsignin.spring.data.dynamodb.query.Query;
import org.socialsignin.spring.data.dynamodb.repository.support.DynamoDBEntityInformation;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.domain.Sort.Direction;
import org.springframework.data.domain.Sort.Order;
Expand Down Expand Up @@ -66,6 +67,7 @@ public abstract class AbstractDynamoDBQueryCriteria<T, ID> implements DynamoDBQu
protected Object hashKeyPropertyValue;
protected String globalSecondaryIndexName;
protected Sort sort;
protected Pageable pageable;

public abstract boolean isApplicableForLoad();

Expand Down Expand Up @@ -132,9 +134,16 @@ protected QueryRequest buildQueryRequest(String tableName, String theIndexName,
queryRequest.setSelect(Select.ALL_PROJECTED_ATTRIBUTES);
applySortIfSpecified(queryRequest, new ArrayList<String>(new HashSet<String>(allowedSortProperties)));
}
applyPageableIfSpecified(queryRequest);
return queryRequest;
}

private void applyPageableIfSpecified(QueryRequest queryRequest) {
if (pageable.isPaged()) {
queryRequest.setLimit(pageable.getPageSize());
}
}

protected void applySortIfSpecified(DynamoDBQueryExpression<T> queryExpression, List<String> permittedPropertyNames) {
if (permittedPropertyNames.size() > 1) {
throw new UnsupportedOperationException("Can only sort by at most a single range or index range key");
Expand Down Expand Up @@ -688,4 +697,10 @@ public DynamoDBQueryCriteria<T, ID> withSort(Sort sort) {
return this;
}

@Override
public DynamoDBQueryCriteria<T, ID> withPageable(Pageable pageable) {
this.pageable = pageable;
return this;
}

}
9 changes: 8 additions & 1 deletion ...ain/java/org/socialsignin/spring/data/dynamodb/repository/query/DynamoDBQueryCreator.java
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Expand Up @@ -18,31 +18,38 @@
import org.socialsignin.spring.data.dynamodb.core.DynamoDBOperations;
import org.socialsignin.spring.data.dynamodb.query.Query;
import org.socialsignin.spring.data.dynamodb.repository.support.DynamoDBEntityInformation;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.repository.query.ParameterAccessor;
import org.springframework.data.repository.query.parser.PartTree;

public class DynamoDBQueryCreator<T,ID> extends AbstractDynamoDBQueryCreator<T, ID,T> {

private final Pageable pageable;

public DynamoDBQueryCreator(PartTree tree,
DynamoDBEntityInformation<T, ID> entityMetadata,
DynamoDBOperations dynamoDBOperations) {
super(tree, entityMetadata, dynamoDBOperations);
pageable = Pageable.unpaged();
}

public DynamoDBQueryCreator(PartTree tree,
ParameterAccessor parameterAccessor,
DynamoDBEntityInformation<T, ID> entityMetadata,
DynamoDBOperations dynamoDBOperations) {
super(tree, parameterAccessor, entityMetadata, dynamoDBOperations);
pageable = parameterAccessor.getPageable();
}

@Override
protected Query<T> complete(DynamoDBQueryCriteria<T, ID> criteria, Sort sort) {
if (sort != null) {
criteria.withSort(sort);
}

criteria.withPageable(pageable);

return criteria.buildQuery(dynamoDBOperations);

}
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5 changes: 4 additions & 1 deletion ...in/java/org/socialsignin/spring/data/dynamodb/repository/query/DynamoDBQueryCriteria.java
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Expand Up @@ -18,6 +18,7 @@
import com.amazonaws.services.dynamodbv2.model.ComparisonOperator;
import org.socialsignin.spring.data.dynamodb.core.DynamoDBOperations;
import org.socialsignin.spring.data.dynamodb.query.Query;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;

/**
Expand All @@ -37,7 +38,9 @@ DynamoDBQueryCriteria<T, ID> withSingleValueCriteria(String propertyName, Compar
DynamoDBQueryCriteria<T, ID> withPropertyBetween(String segment, Object value1, Object value2, Class<?> type);

DynamoDBQueryCriteria<T, ID> withSort(Sort sort);


DynamoDBQueryCriteria<T, ID> withPageable(Pageable pageable);

Query<T> buildQuery(DynamoDBOperations dynamoDBOperations);

Query<Long> buildCountQuery(DynamoDBOperations dynamoDBOperations, boolean pageQuery);
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