Class GetItemBuilder<T>

java.lang.Object

dev.hogwai.dynamodb.simplified.builder.base.AbstractGetItemBuilder<T, GetItemBuilder<T>>

dev.hogwai.dynamodb.simplified.builder.GetItemBuilder<T>

Type Parameters:

T - the type of the item

public class GetItemBuilder<T>
extends AbstractGetItemBuilder<T, GetItemBuilder<T>>

A fluent builder for retrieving an item from a DynamoDB table by its key, with optional projection and consistent read settings. Part of the DynamoDB Simplified library.

Field Summary

Fields inherited from class AbstractGetItemBuilder

consistentRead, partitionKey, projectionExpression, sortKey

Constructor Summary

Constructors

Constructor	Description
GetItemBuilder(@NonNull software.amazon.awssdk.enhanced.dynamodb.DynamoDbTable<T> table, @NonNull Object partitionKey, @Nullable Object sortKey, @NonNull software.amazon.awssdk.services.dynamodb.DynamoDbClient dynamoDbClient)	Constructs a new GetItemBuilder for the given table and key.

Method Summary

Modifier and Type	Method	Description
@NonNull Optional<T>	execute()	Executes the get operation and returns the item, if found.
protected GetItemBuilder<T>	self()	Returns this typed as S for fluent chaining.
protected @NonNull String	tableName()	Returns the DynamoDB table name.

Methods inherited from class AbstractGetItemBuilder

buildEnhancedRequest, buildKeyMap, buildLowLevelRequest, consistentRead, project, project

Methods inherited from class Object

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

Constructor Details

GetItemBuilder

public GetItemBuilder(@NonNull software.amazon.awssdk.enhanced.dynamodb.DynamoDbTable<T> table,
 @NonNull Object partitionKey,
 @Nullable Object sortKey,
 @NonNull software.amazon.awssdk.services.dynamodb.DynamoDbClient dynamoDbClient)

Constructs a new GetItemBuilder for the given table and key.

Parameters:

table - the DynamoDB table

partitionKey - the partition key value

sortKey - the sort key value (may be null if the table has no sort key)

dynamoDbClient - the low-level DynamoDB client (used for projection fallback)

Method Details

self

protected GetItemBuilder<T> self()

Description copied from class: AbstractGetItemBuilder

Returns this typed as S for fluent chaining.

Specified by:

self in class AbstractGetItemBuilder<T, GetItemBuilder<T>>

Returns:

this builder

tableName

protected @NonNull String tableName()

Description copied from class: AbstractGetItemBuilder

Returns the DynamoDB table name.

Specified by:

tableName in class AbstractGetItemBuilder<T, GetItemBuilder<T>>

Returns:

the DynamoDB table name

execute

public @NonNull Optional<T> execute()

Executes the get operation and returns the item, if found.

Returns:

an Optional containing the item, or empty if no item exists with the specified key