Examples with Either software.amazon.awssdk.utils.Either used on opensource projects

Example 1 with Either

use of software.amazon.awssdk.utils.Either in project aws-sdk-java-v2 by aws.

the class UpdateItemOperation method generateConditionExpressionIfExist.

/**
 * Retrieves the ConditionExpression from extensions if existing, and retrieves the ConditionExpression from the request
 * if existing. If both exist, they are merged.
 */
private Expression generateConditionExpressionIfExist(WriteModification transformation, Either<UpdateItemEnhancedRequest<T>, TransactUpdateItemEnhancedRequest<T>> request) {
    Expression conditionExpression = null;
    if (transformation != null && transformation.additionalConditionalExpression() != null) {
        conditionExpression = transformation.additionalConditionalExpression();
    }
    Expression operationConditionExpression = request.map(r -> Optional.ofNullable(r.conditionExpression()), r -> Optional.ofNullable(r.conditionExpression())).orElse(null);
    if (operationConditionExpression != null) {
        conditionExpression = operationConditionExpression.and(conditionExpression);
    }
    return conditionExpression;
}