io.milvus.param

Class QueryNodeSingleSearch.Builder

java.lang.Object

io.milvus.param.QueryNodeSingleSearch.Builder

Enclosing class:

QueryNodeSingleSearch

public static class QueryNodeSingleSearch.Builder
extends java.lang.Object

Builder for QueryNodeSingleSearch

Method Summary

Modifier and Type	Method and Description
QueryNodeSingleSearch	build() Verifies parameters and creates a new QueryNodeSingleSearch instance.
QueryNodeSingleSearch.Builder	withCollectionName(@NonNull java.lang.String collectionName) Sets the collection name.
QueryNodeSingleSearch.Builder	withMetricType(@NonNull MetricType metricType) Sets metric type of ANN searching.
QueryNodeSingleSearch.Builder	withParams(@NonNull java.lang.String params) Sets the search parameters specific to the index type.
QueryNodeSingleSearch.Builder	withVectorFieldName(@NonNull java.lang.String vectorFieldName) Sets target vector field by name.
QueryNodeSingleSearch.Builder	withVectors(@NonNull java.util.List<?> vectors) Sets the target vectors.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

withCollectionName

public QueryNodeSingleSearch.Builder withCollectionName(@NonNull
                                                        @NonNull java.lang.String collectionName)

Sets the collection name. Collection name cannot be empty or null.

Parameters:

collectionName - collection name

Returns:

Builder

withMetricType

public QueryNodeSingleSearch.Builder withMetricType(@NonNull
                                                    @NonNull MetricType metricType)

Sets metric type of ANN searching.

Parameters:

metricType - metric type

Returns:

Builder

withVectorFieldName

public QueryNodeSingleSearch.Builder withVectorFieldName(@NonNull
                                                         @NonNull java.lang.String vectorFieldName)

Sets target vector field by name. Field name cannot be empty or null.

Parameters:

vectorFieldName - vector field name

Returns:

Builder

withVectors

public QueryNodeSingleSearch.Builder withVectors(@NonNull
                                                 @NonNull java.util.List<?> vectors)

Sets the target vectors.

Parameters:

vectors - list of target vectors: if vector type is FloatVector, vectors is List of List Float if vector type is BinaryVector, vectors is List of ByteBuffer

Returns:

Builder

withParams

public QueryNodeSingleSearch.Builder withParams(@NonNull
                                                @NonNull java.lang.String params)

Sets the search parameters specific to the index type. For example: IVF index, the search parameters can be "{\"nprobe\":10}" For more information: @see Index Selection

Parameters:

params - extra parameters in json format

Returns:

Builder

build

public QueryNodeSingleSearch build()
                            throws ParamException

Verifies parameters and creates a new QueryNodeSingleSearch instance.

Returns:

QueryNodeSingleSearch

Throws:

ParamException