Package org.drools.lang.descr

Examples of org.drools.lang.descr.FunctionDescr

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        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );

        assertEqualsIgnoreWhitespace( "yourFunction(new String[3] {\"a\",\"b\",\"c\"});",
                                      (String) rule.getConsequence() );

        final FunctionDescr func = (FunctionDescr) pkg.getFunctions().get( 0 );

        assertEquals( "String[]",
                          func.getReturnType() );
        assertEquals( "args[]",
                          func.getParameterNames().get( 0 ) );
        assertEquals( "String",
                          func.getParameterTypes().get( 0 ) );
    }
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        final List<FunctionDescr> functions = pkg.getFunctions();
        assertEquals( 2,
                      functions.size() );

        FunctionDescr func = functions.get( 0 );
        assertEquals( "functionA",
                      func.getName() );
        assertEquals( "String",
                      func.getReturnType() );
        assertEquals( 2,
                      func.getParameterNames().size() );
        assertEquals( 2,
                      func.getParameterTypes().size() );
        assertEquals( 4,
                      func.getLine() );
        assertEquals( 0,
                      func.getColumn() );

        assertEquals( "String",
                      func.getParameterTypes().get( 0 ) );
        assertEquals( "s",
                      func.getParameterNames().get( 0 ) );

        assertEquals( "Integer",
                      func.getParameterTypes().get( 1 ) );
        assertEquals( "i",
                      func.getParameterNames().get( 1 ) );

        assertEqualsIgnoreWhitespace( "foo();",
                                      func.getBody() );

        func = functions.get( 1 );
        assertEquals( "functionB",
                      func.getName() );
        assertEqualsIgnoreWhitespace( "bar();",
                                      func.getText() );
    }
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        // only try to compile if there are no parse errors
        if ( !hasErrors() ) {
            if ( !packageDescr.getFunctions().isEmpty() ) {

                for ( final Iterator it = packageDescr.getFunctions().iterator(); it.hasNext(); ) {
                    FunctionDescr functionDescr = (FunctionDescr) it.next();
                    if ( isEmpty( functionDescr.getNamespace() ) ) {
                        // make sure namespace is set on components
                        functionDescr.setNamespace( packageDescr.getNamespace() );
                    }
                    if ( isEmpty( functionDescr.getDialect() ) ) {
                        // make sure namespace is set on components
                        functionDescr.setDialect( pkgRegistry.getDialect() );
                    }
                    preCompileAddFunction( functionDescr );
                }

                // iterate and compile
                for ( final Iterator it = packageDescr.getFunctions().iterator(); it.hasNext(); ) {
                    // inherit the dialect from the package
                    FunctionDescr functionDescr = (FunctionDescr) it.next();
                    addFunction( functionDescr );
                }

                // We need to compile all the functions now, so scripting
                // languages like mvel can find them
                compileAll();

                for ( final Iterator it = packageDescr.getFunctions().iterator(); it.hasNext(); ) {
                    FunctionDescr functionDescr = (FunctionDescr) it.next();
                    postCompileAddFunction( functionDescr );
                }
            }

            // iterate and compile
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        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );

        assertEqualsIgnoreWhitespace( "yourFunction(new String[3] {\"a\",\"b\",\"c\"});",
                                      (String) rule.getConsequence() );

        final FunctionDescr func = (FunctionDescr) pkg.getFunctions().get( 0 );

        assertEquals( "String[]",
                          func.getReturnType() );
        assertEquals( "args[]",
                          func.getParameterNames().get( 0 ) );
        assertEquals( "String",
                          func.getParameterTypes().get( 0 ) );
    }
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        final List functions = pkg.getFunctions();
        assertEquals( 2,
                      functions.size() );

        FunctionDescr func = (FunctionDescr) functions.get( 0 );
        assertEquals( "functionA",
                      func.getName() );
        assertEquals( "String",
                      func.getReturnType() );
        assertEquals( 2,
                      func.getParameterNames().size() );
        assertEquals( 2,
                      func.getParameterTypes().size() );
        assertEquals( 4,
                      func.getLine() );
        assertEquals( 0,
                      func.getColumn() );

        assertEquals( "String",
                      func.getParameterTypes().get( 0 ) );
        assertEquals( "s",
                      func.getParameterNames().get( 0 ) );

        assertEquals( "Integer",
                      func.getParameterTypes().get( 1 ) );
        assertEquals( "i",
                      func.getParameterNames().get( 1 ) );

        assertEqualsIgnoreWhitespace( "foo();",
                                      func.getBody() );

        func = (FunctionDescr) functions.get( 1 );
        assertEquals( "functionB",
                      func.getName() );
        assertEqualsIgnoreWhitespace( "bar();",
                                      func.getText() );
    }
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                addFactTemplate( (FactTemplateDescr) it.next() );
            }
           
            // add static imports for all functions
            for ( final Iterator it = packageDescr.getFunctions().iterator(); it.hasNext(); ) {
                FunctionDescr functionDescr = (FunctionDescr) it.next();
                final String functionClassName = this.pkg.getName() + "." + ucFirst( functionDescr.getName() );
                functionDescr.setClassName( functionClassName );
                this.pkg.addStaticImport( functionClassName + "." + functionDescr.getName() );
            }

            // iterate and compile
            for ( final Iterator it = packageDescr.getFunctions().iterator(); it.hasNext(); ) {
                addFunction( (FunctionDescr) it.next() );
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        return findClass(className, imports, packageBuilder.getRootClassLoader());
    }

    private static Class<?> findFunctionReturnedClass(RuleBuildContext context, String statement) {
        String functionName = statement.substring(0, statement.indexOf('('));
        FunctionDescr function = lookupFunction(context, functionName);
        return function == null ? null : findClassByName(context, function.getReturnType());
    }
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        // only try to compile if there are no parse errors
        if (!hasErrors()) {
            if (!packageDescr.getFunctions().isEmpty()) {

                for (final Iterator it = packageDescr.getFunctions().iterator(); it.hasNext();) {
                    FunctionDescr functionDescr = (FunctionDescr) it.next();
                    if (isEmpty( functionDescr.getNamespace() )) {
                        // make sure namespace is set on components
                        functionDescr.setNamespace( packageDescr.getNamespace() );
                    }

                    // make sure functions are compiled in java
                    functionDescr.setDialect( "java" );

                    preCompileAddFunction( functionDescr );
                }

                // iterate and compile
                for (final Iterator it = packageDescr.getFunctions().iterator(); it.hasNext();) {
                    // inherit the dialect from the package
                    FunctionDescr functionDescr = (FunctionDescr) it.next();
                    addFunction( functionDescr );
                }

                // We need to compile all the functions now, so scripting
                // languages like mvel can find them
                compileAll();

                for (final Iterator it = packageDescr.getFunctions().iterator(); it.hasNext();) {
                    FunctionDescr functionDescr = (FunctionDescr) it.next();
                    postCompileAddFunction( functionDescr );
                }
            }

            // iterate and compile
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        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );

        assertEqualsIgnoreWhitespace( "yourFunction(new String[3] {\"a\",\"b\",\"c\"});",
                                      (String) rule.getConsequence() );

        final FunctionDescr func = (FunctionDescr) pkg.getFunctions().get( 0 );

        assertEquals( "String[]",
                          func.getReturnType() );
        assertEquals( "args[]",
                          func.getParameterNames().get( 0 ) );
        assertEquals( "String",
                          func.getParameterTypes().get( 0 ) );
    }
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        final List functions = pkg.getFunctions();
        assertEquals( 2,
                      functions.size() );

        FunctionDescr func = (FunctionDescr) functions.get( 0 );
        assertEquals( "functionA",
                      func.getName() );
        assertEquals( "String",
                      func.getReturnType() );
        assertEquals( 2,
                      func.getParameterNames().size() );
        assertEquals( 2,
                      func.getParameterTypes().size() );
        assertEquals( 4,
                      func.getLine() );
        assertEquals( 0,
                      func.getColumn() );

        assertEquals( "String",
                      func.getParameterTypes().get( 0 ) );
        assertEquals( "s",
                      func.getParameterNames().get( 0 ) );

        assertEquals( "Integer",
                      func.getParameterTypes().get( 1 ) );
        assertEquals( "i",
                      func.getParameterNames().get( 1 ) );

        assertEqualsIgnoreWhitespace( "foo();",
                                      func.getBody() );

        func = (FunctionDescr) functions.get( 1 );
        assertEquals( "functionB",
                      func.getName() );
        assertEqualsIgnoreWhitespace( "bar();",
                                      func.getText() );
    }
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Related Classes of org.drools.lang.descr.FunctionDescr

  • org.drools.clips.FunctionHandlers
  • org.drools.compiler.PackageBuilder
  • org.drools.compiler.xml.rules.FunctionHandler
  • org.drools.compiler.xml.rules.XmlPackageReaderTest
  • org.drools.eclipse.editors.DescrUtil
  • org.drools.eclipse.view.rules.RulesView
  • org.drools.integrationtests.PackageBuilderThreadSafetyTest
  • org.drools.lang.api.FunctionDescrBuilderImpl
  • org.drools.lang.api.impl.FunctionDescrBuilderImpl
  • org.drools.lang.RuleParserTest
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