Package org.evomaster.client.java.controller.dynamodb

Class DynamoDbExpressionParser

java.lang.Object

org.evomaster.client.java.controller.dynamodb.DynamoDbExpressionParser

public class DynamoDbExpressionParser
extends Object

Parser for DynamoDB key/filter/condition expression strings. Supported operators/functions align with DynamoDB expression docs: =, <>, <, <=, >, >=, BETWEEN, IN, AND, OR, NOT, attribute_exists, attribute_not_exists, attribute_type, begins_with, contains, size.

Constructor Summary

Constructors

Constructor	Description
DynamoDbExpressionParser()

Method Summary

Modifier and Type	Method	Description
QueryOperation	parse(String expression, Map<String,String> expressionAttributeNames, Map<String,Object> expressionAttributeValues)	Parses a DynamoDB expression and converts it into a query-operation tree.

Methods inherited from class java.lang.Object

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

Constructor Details

DynamoDbExpressionParser

public DynamoDbExpressionParser()

Method Details

parse

public QueryOperation parse(String expression,
 Map<String,String> expressionAttributeNames,
 Map<String,Object> expressionAttributeValues)

Parses a DynamoDB expression and converts it into a query-operation tree.

Parameters:

expression - the DynamoDB expression string to parse

expressionAttributeNames - optional map of attribute-name aliases

expressionAttributeValues - optional map of value placeholders

Returns:

the parsed operation tree, or null when the expression is blank