io.milvus.param.index

Class CreateIndexParam.Builder

java.lang.Object

io.milvus.param.index.CreateIndexParam.Builder

Enclosing class:

CreateIndexParam

public static final class CreateIndexParam.Builder
extends java.lang.Object

Builder for CreateIndexParam class.

Method Summary

Modifier and Type	Method and Description
CreateIndexParam	build() Verifies parameters and creates a new CreateIndexParam instance.
CreateIndexParam.Builder	withCollectionName(@NonNull java.lang.String collectionName) Set the collection name.
CreateIndexParam.Builder	withDatabaseName(java.lang.String databaseName) Sets the database name.
CreateIndexParam.Builder	withExtraParam(@NonNull java.lang.String extraParam) Sets the specific index parameters according to index type.
CreateIndexParam.Builder	withFieldName(@NonNull java.lang.String fieldName) Sets the target field name.
CreateIndexParam.Builder	withIndexName(@NonNull java.lang.String indexName) The name of index which will be created.
CreateIndexParam.Builder	withIndexType(@NonNull IndexType indexType) Sets the index type.
CreateIndexParam.Builder	withMetricType(@NonNull MetricType metricType) Sets the metric type.
CreateIndexParam.Builder	withSyncMode(@NonNull java.lang.Boolean syncMode) Enables to sync mode.
CreateIndexParam.Builder	withSyncWaitingInterval(@NonNull java.lang.Long milliseconds) Sets the waiting interval in sync mode.
CreateIndexParam.Builder	withSyncWaitingTimeout(@NonNull java.lang.Long seconds) Sets the timeout value for sync mode.

Methods inherited from class java.lang.Object

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

Method Detail

withDatabaseName

public CreateIndexParam.Builder withDatabaseName(java.lang.String databaseName)

Sets the database name. database name can be nil.

Parameters:

databaseName - database name

Returns:

Builder

withCollectionName

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

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

Parameters:

collectionName - collection name

Returns:

Builder

withFieldName

public CreateIndexParam.Builder withFieldName(@NonNull
                                              @NonNull java.lang.String fieldName)

Sets the target field name. Field name cannot be empty or null.

Parameters:

fieldName - field name

Returns:

Builder

withIndexType

public CreateIndexParam.Builder withIndexType(@NonNull
                                              @NonNull IndexType indexType)

Sets the index type.

Parameters:

indexType - index type

Returns:

Builder

withIndexName

public CreateIndexParam.Builder withIndexName(@NonNull
                                              @NonNull java.lang.String indexName)

The name of index which will be created. Then you can use the index name to check the state of index. If no index name is specified, the default index name("_default_idx") is used.

Parameters:

indexName - index name

Returns:

Builder

withMetricType

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

Sets the metric type.

Parameters:

metricType - metric type

Returns:

Builder

withExtraParam

public CreateIndexParam.Builder withExtraParam(@NonNull
                                               @NonNull java.lang.String extraParam)

Sets the specific index parameters according to index type. For example: IVF index, the extra parameters can be "{\"nlist\":1024}". For more information: @see Index Selection

Parameters:

extraParam - extra parameters in .json format

Returns:

Builder

withSyncMode

public CreateIndexParam.Builder withSyncMode(@NonNull
                                             @NonNull java.lang.Boolean syncMode)

Enables to sync mode. With sync mode enabled, the client keeps waiting until all segments of the collection are successfully indexed. With sync mode disabled, client returns at once after the createIndex() is called.

Parameters:

syncMode - Boolean.TRUE is sync mode, Boolean.FALSE is not

Returns:

Builder

withSyncWaitingInterval

public CreateIndexParam.Builder withSyncWaitingInterval(@NonNull
                                                        @NonNull java.lang.Long milliseconds)

Sets the waiting interval in sync mode. With sync mode enabled, the client constantly checks index state by interval. Interval must be greater than zero, and cannot be greater than Constant.MAX_WAITING_INDEX_INTERVAL. Default value is 500 milliseconds.

Parameters:

milliseconds - interval

Returns:

Builder

See Also:

Constant

withSyncWaitingTimeout

public CreateIndexParam.Builder withSyncWaitingTimeout(@NonNull
                                                       @NonNull java.lang.Long seconds)

Sets the timeout value for sync mode. Timeout value must be greater than zero and with No upper limit. Default value is 600 seconds.

Parameters:

seconds - time out value for sync mode

Returns:

Builder

See Also:

Constant

build

public CreateIndexParam build()
                       throws ParamException

Verifies parameters and creates a new CreateIndexParam instance.

Returns:

CreateIndexParam

Throws:

ParamException