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PR/DynamoDB operations and parsers #1521

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dddac08
DynamoDB operation modeling and parsers.
aschenzle Apr 23, 2026
4477f1a
Adding javadoc
aschenzle Apr 23, 2026
8aa0925
Merge branch 'master' into pr/dynamodb-operations-and-parsers
aschenzle Apr 24, 2026
22f85da
Adding Javadoc to all methods. Removing unnecessary function.
aschenzle Apr 25, 2026
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41 changes: 37 additions & 4 deletions client-java/controller/pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,13 @@
<scope>provided</scope>
</dependency>

<!-- Needed for DynamoDb parsing -->
<dependency>
<groupId>org.antlr</groupId>
<artifactId>antlr4-runtime</artifactId>
</dependency>


<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
Expand Down Expand Up @@ -204,10 +211,15 @@
<artifactId>lettuce-core</artifactId>
<scope>test</scope>
</dependency>
<!-- Bringing Netty dependency explicitly as it was excluded from spring-boot-starter-data-redis to avoid version conflict -->
<dependency>
<groupId>software.amazon.awssdk</groupId>
<artifactId>netty-nio-client</artifactId>
<artifactId>dynamodb</artifactId>
<scope>test</scope>
</dependency>
<!-- Removes a warning and actually logs on tests executions -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<scope>test</scope>
</dependency>

Expand All @@ -227,7 +239,6 @@
<artifactId>grpc-stub</artifactId>
<scope>test</scope>
</dependency>

</dependencies>

<build>
Expand Down Expand Up @@ -265,6 +276,23 @@
<artifactId>maven-compiler-plugin</artifactId>
</plugin>

<!-- Needed for DynamoDB parsing -->
<plugin>
<groupId>org.antlr</groupId>
<artifactId>antlr4-maven-plugin</artifactId>
<configuration>
<listener>false</listener>
<visitor>true</visitor>
</configuration>
<executions>
<execution>
<goals>
<goal>antlr4</goal>
</goals>
</execution>
</executions>
</plugin>

<!--
As this library is going to be used and imported by the SUTs,
need to shade its dependencies to avoid the "Jar Hell".
Expand Down Expand Up @@ -346,7 +374,12 @@
<pattern>net.sf.jsqlparser</pattern>
<shadedPattern>shaded.net.sf.jsqlparser</shadedPattern>
</relocation>
</relocations>
<!-- Needed for DynamoDb parsing -->
<relocation>
<pattern>org.antlr</pattern>
<shadedPattern>shaded.org.antlr</shadedPattern>
</relocation>
</relocations>
</configuration>
</execution>
</executions>
Expand Down
123 changes: 123 additions & 0 deletions .../main/antlr4/org/evomaster/client/java/controller/dynamodb/DynamoDbConditionExpression.g4
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Original file line number Diff line number Diff line change
@@ -0,0 +1,123 @@
grammar DynamoDbConditionExpression;

expression
: orExpr EOF
;

orExpr
: andExpr (OR andExpr)*
;

andExpr
: notExpr (AND notExpr)*
;

notExpr
: NOT notExpr #negatedExpr
| primary #primaryExpr
;

primary
: LPAREN orExpr RPAREN #parenthesizedPrimary
| predicate #predicatePrimary
;

predicate
: ATTRIBUTE_EXISTS LPAREN path RPAREN #attributeExistsPredicate
| ATTRIBUTE_NOT_EXISTS LPAREN path RPAREN #attributeNotExistsPredicate
| ATTRIBUTE_TYPE LPAREN path COMMA value RPAREN #attributeTypePredicate
| BEGINS_WITH LPAREN path COMMA value RPAREN #beginsWithPredicate
| CONTAINS LPAREN path COMMA value RPAREN #containsPredicate
| SIZE LPAREN path RPAREN comparator value #sizePredicate
| path BETWEEN value AND value #betweenPredicate
| path IN LPAREN value (COMMA value)* RPAREN #inPredicate
| path comparator value #comparisonPredicate
;

comparator
: EQ
| NE
| LT
| LTE
| GT
| GTE
;

path
: IDENTIFIER
;

value
: PLACEHOLDER #placeholderValue
| STRING_LITERAL #stringValue
| NUMBER_LITERAL #numberValue
| BOOLEAN_LITERAL #booleanValue
| NULL_LITERAL #nullValue
| IDENTIFIER #identifierValue
;

LPAREN : '(';
RPAREN : ')';
COMMA : ',';
EQ : '=';
NE : '<>';
LTE : '<=';
GTE : '>=';
LT : '<';
GT : '>';

AND : A N D;
OR : O R;
NOT : N O T;
BETWEEN : B E T W E E N;
IN : I N;
ATTRIBUTE_EXISTS : A T T R I B U T E '_' E X I S T S;
ATTRIBUTE_NOT_EXISTS : A T T R I B U T E '_' N O T '_' E X I S T S;
ATTRIBUTE_TYPE : A T T R I B U T E '_' T Y P E;
BEGINS_WITH : B E G I N S '_' W I T H;
CONTAINS : C O N T A I N S;
SIZE : S I Z E;

BOOLEAN_LITERAL : T R U E | F A L S E;
NULL_LITERAL : N U L L;

PLACEHOLDER : ':' IDENT_START IDENT_PART*;
NUMBER_LITERAL : '-'? DIGIT+ ('.' DIGIT+)? EXPONENT?;
STRING_LITERAL : '\'' ~['\r\n]* '\'';

IDENTIFIER : IDENT_START IDENT_PART* INDEX* ('.' IDENT_START IDENT_PART* INDEX*)*;

WS : [ \t\r\n]+ -> skip;

fragment INDEX : '[' DIGIT+ ']';
fragment EXPONENT : [eE] [+\-]? DIGIT+;
fragment IDENT_START : [a-zA-Z_#];
fragment IDENT_PART : [a-zA-Z0-9_];
fragment DIGIT : [0-9];

fragment A : [aA];
fragment B : [bB];
fragment C : [cC];
fragment D : [dD];
fragment E : [eE];
fragment F : [fF];
fragment G : [gG];
fragment H : [hH];
fragment I : [iI];
fragment J : [jJ];
fragment K : [kK];
fragment L : [lL];
fragment M : [mM];
fragment N : [nN];
fragment O : [oO];
fragment P : [pP];
fragment Q : [qQ];
fragment R : [rR];
fragment S : [sS];
fragment T : [tT];
fragment U : [uU];
fragment V : [vV];
fragment W : [wW];
fragment X : [xX];
fragment Y : [yY];
fragment Z : [zZ];
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