Examples with PatternSourceDescr org.drools.drl.ast.descr.PatternSourceDescr used on opensource projects

Example 1 with PatternSourceDescr

use of org.drools.drl.ast.descr.PatternSourceDescr in project drools by kiegroup.

the class AccumulateInline method parseAccumulatePattern.

void parseAccumulatePattern() {
    PatternDescr pattern = accumulateDescr.getInputPattern();
    if (pattern == null || pattern.getSource() == null) {
        return;
    }
    PatternSourceDescr sourceDescr = pattern.getSource();
    if (sourceDescr instanceof FromDescr) {
        DeclarativeInvokerDescr invokerDescr = ((FromDescr) sourceDescr).getDataSource();
        String mvelBlock = addCurlyBracesToBlock(addSemicolon(invokerDescr.getText()));
        CompiledBlockResult fromCodeCompilationResult = mvelCompiler.compileStatement(mvelBlock);
        BlockStmt fromBlock = fromCodeCompilationResult.statementResults();
        for (Statement stmt : fromBlock.getStatements()) {
            stmt.findAll(NameExpr.class).stream().map(Node::toString).filter(context::hasDeclaration).forEach(usedExternalDeclarations::add);
        }
    }
}