Examples with ValueExpr com.google.api.generator.engine.ast.ValueExpr used on opensource projects

Example 1 with ValueExpr

use of com.google.api.generator.engine.ast.ValueExpr in project gapic-generator-java by googleapis.

the class ResourceNameHelperClassComposer method createClassStatements.

private static List<Statement> createClassStatements(List<VariableExpr> templateFinalVarExprs, Map<String, VariableExpr> patternTokenVarExprs, List<String> patterns, List<List<String>> tokenHierarchies) {
    List<Expr> memberVars = new ArrayList<>();
    // "projects/{project}/locations/{location}/autoscalingPolicies/{autoscaling_policy}");
    for (int i = 0; i < patterns.size(); i++) {
        VariableExpr varExpr = templateFinalVarExprs.get(i).toBuilder().setIsDecl(true).setScope(ScopeNode.PRIVATE).setIsStatic(true).setIsFinal(true).build();
        String pattern = patterns.get(i);
        Expr valueExpr = MethodInvocationExpr.builder().setStaticReferenceType(FIXED_TYPESTORE.get("PathTemplate")).setMethodName("createWithoutUrlEncoding").setArguments(Arrays.asList(ValueExpr.withValue(StringObjectValue.withValue(pattern)))).setReturnType(FIXED_TYPESTORE.get("PathTemplate")).build();
        // PubSub special-case handling for _deleted-topic_.
        if (pattern.equals(ResourceNameConstants.DELETED_TOPIC_LITERAL)) {
            valueExpr = ValueExpr.withValue(StringObjectValue.withValue(pattern));
        }
        memberVars.add(AssignmentExpr.builder().setVariableExpr(varExpr).setValueExpr(valueExpr).build());
    }
    memberVars.add(FIXED_CLASS_VARS.get("fieldValuesMap").toBuilder().setIsDecl(true).setScope(ScopeNode.PRIVATE).setIsVolatile(true).build());
    boolean hasVariants = tokenHierarchies.size() > 1;
    if (hasVariants) {
        Function<VariableExpr, VariableExpr> toDeclFn = v -> v.toBuilder().setIsDecl(true).setScope(ScopeNode.PRIVATE).build();
        memberVars.add(toDeclFn.apply(FIXED_CLASS_VARS.get("pathTemplate")));
        memberVars.add(toDeclFn.apply(FIXED_CLASS_VARS.get("fixedValue")));
    }
    // Private per-token string variables.
    // Use the token set as a key to maintain ordering (for consistency).
    Function<VariableExpr, VariableExpr> toFinalDeclFn = v -> v.toBuilder().setIsDecl(true).setScope(ScopeNode.PRIVATE).setIsFinal(true).build();
    // Special-cased PubSub handling.
    List<List<String>> processedTokenHierarchies = tokenHierarchies.stream().filter(tokens -> !tokens.contains(ResourceNameConstants.DELETED_TOPIC_LITERAL)).collect(Collectors.toList());
    memberVars.addAll(getTokenSet(processedTokenHierarchies).stream().map(t -> toFinalDeclFn.apply(patternTokenVarExprs.get(t))).collect(Collectors.toList()));
    return memberVars.stream().map(e -> ExprStatement.withExpr(e)).collect(Collectors.toList());
}

Example 2 with ValueExpr

use of com.google.api.generator.engine.ast.ValueExpr in project gapic-generator-java by googleapis.

the class ResourceNameHelperClassComposer method createEqualsMethod.

private static MethodDefinition createEqualsMethod(ResourceName resourceName, List<List<String>> tokenHierarchies, TypeStore typeStore) {
    // Create method definition variables.
    Variable oVariable = Variable.builder().setType(TypeNode.withReference(javaObjectReference)).setName("o").build();
    VariableExpr argVarExpr = VariableExpr.builder().setIsDecl(false).setVariable(oVariable).build();
    TypeNode thisClassType = typeStore.get(getThisClassName(resourceName));
    ValueExpr thisValueExpr = ValueExpr.withValue(ThisObjectValue.withType(thisClassType));
    ValueExpr trueValueExpr = ValueExpr.withValue(PrimitiveValue.builder().setType(TypeNode.BOOLEAN).setValue("true").build());
    // Create first if statement's return expression
    ReturnExpr returnTrueExpr = ReturnExpr.withExpr(trueValueExpr);
    // Create second if statement's condition expression
    RelationalOperationExpr oEqualsThisExpr = RelationalOperationExpr.equalToWithExprs(argVarExpr, thisValueExpr);
    RelationalOperationExpr oNotEqualsNullExpr = RelationalOperationExpr.notEqualToWithExprs(argVarExpr, ValueExpr.createNullExpr());
    MethodInvocationExpr getClassMethodInvocationExpr = MethodInvocationExpr.builder().setMethodName("getClass").build();
    RelationalOperationExpr getClassEqualsExpr = RelationalOperationExpr.equalToWithExprs(getClassMethodInvocationExpr, getClassMethodInvocationExpr.toBuilder().setExprReferenceExpr(argVarExpr).build());
    LogicalOperationExpr orLogicalExpr = LogicalOperationExpr.logicalOrWithExprs(oNotEqualsNullExpr, getClassEqualsExpr);
    // Create second if statement's body assignment expression.
    Variable thatVariable = Variable.builder().setName("that").setType(thisClassType).build();
    VariableExpr thatVariableExpr = VariableExpr.builder().setIsDecl(false).setVariable(thatVariable).build();
    CastExpr oCastExpr = CastExpr.builder().setExpr(argVarExpr).setType(thisClassType).build();
    AssignmentExpr thatAssignmentExpr = AssignmentExpr.builder().setVariableExpr(thatVariableExpr.toBuilder().setIsDecl(true).build()).setValueExpr(oCastExpr).build();
    // PubSub special-case handling - exclude _deleted-topic_.
    List<List<String>> processedTokenHierarchies = tokenHierarchies.stream().filter(ts -> !ts.contains(ResourceNameConstants.DELETED_TOPIC_LITERAL)).collect(Collectors.toList());
    // Create return expression in the second if statement's body.
    Set<String> tokenSet = getTokenSet(processedTokenHierarchies);
    Iterator<String> itToken = tokenSet.iterator();
    Expr curTokenExpr = createObjectsEqualsForTokenMethodExpr(thisValueExpr, thatVariableExpr, Variable.builder().setType(TypeNode.STRING).setName(JavaStyle.toLowerCamelCase(itToken.next())).build());
    while (itToken.hasNext()) {
        Expr nextTokenExpr = createObjectsEqualsForTokenMethodExpr(thisValueExpr, thatVariableExpr, Variable.builder().setType(TypeNode.STRING).setName(JavaStyle.toLowerCamelCase(itToken.next())).build());
        curTokenExpr = LogicalOperationExpr.logicalAndWithExprs(curTokenExpr, nextTokenExpr);
    }
    ReturnExpr secondIfReturnExpr = ReturnExpr.withExpr(curTokenExpr);
    // Code: if (o == this) { return true;}
    IfStatement firstIfStatement = IfStatement.builder().setConditionExpr(oEqualsThisExpr).setBody(Arrays.asList(ExprStatement.withExpr(returnTrueExpr))).build();
    // Code: if (o != null || getClass() == o.getClass()) { FoobarName that = ((FoobarName) o);
    // return ..}
    IfStatement secondIfStatement = IfStatement.builder().setConditionExpr(orLogicalExpr).setBody(Arrays.asList(ExprStatement.withExpr(thatAssignmentExpr), ExprStatement.withExpr(secondIfReturnExpr))).build();
    // Create method's return expression.
    ValueExpr falseValueExpr = ValueExpr.withValue(PrimitiveValue.builder().setType(TypeNode.BOOLEAN).setValue("false").build());
    return MethodDefinition.builder().setIsOverride(true).setScope(ScopeNode.PUBLIC).setArguments(argVarExpr.toBuilder().setIsDecl(true).build()).setReturnType(TypeNode.BOOLEAN).setName("equals").setReturnExpr(falseValueExpr).setBody(Arrays.asList(firstIfStatement, secondIfStatement)).build();
}

Example 3 with ValueExpr

use of com.google.api.generator.engine.ast.ValueExpr in project gapic-generator-java by googleapis.

the class JavaWriterVisitorTest method writeSuperObjectValue_accessFieldAndInvokeMethod.

@Test
public void writeSuperObjectValue_accessFieldAndInvokeMethod() {
    VaporReference ref = VaporReference.builder().setName("Student").setPakkage("com.google.example.v1").build();
    TypeNode classType = TypeNode.withReference(ref);
    SuperObjectValue superObjectValue = SuperObjectValue.withType(classType);
    ValueExpr superValueExpr = ValueExpr.withValue(superObjectValue);
    Variable subVariable = Variable.builder().setName("name").setType(TypeNode.STRING).build();
    VariableExpr superVariableExpr = VariableExpr.builder().setVariable(subVariable).setExprReferenceExpr(superValueExpr).build();
    MethodInvocationExpr methodExpr = MethodInvocationExpr.builder().setMethodName("getName").setExprReferenceExpr(ValueExpr.withValue(superObjectValue)).setReturnType(TypeNode.STRING).build();
    AssignmentExpr assignmentExpr = AssignmentExpr.builder().setVariableExpr(superVariableExpr).setValueExpr(methodExpr).build();
    assignmentExpr.accept(writerVisitor);
    assertThat(writerVisitor.write()).isEqualTo("super.name = super.getName()");
}

Example 4 with ValueExpr

use of com.google.api.generator.engine.ast.ValueExpr in project gapic-generator-java by googleapis.

the class JavaWriterVisitorTest method writeRelationOperationExpr_notEqualTo.

@Test
public void writeRelationOperationExpr_notEqualTo() {
    TypeNode someType = TypeNode.withReference(VaporReference.builder().setName("SomeClass").setPakkage("com.google.api.generator.engine").build());
    MethodInvocationExpr lhsExpr = MethodInvocationExpr.builder().setMethodName("getName").setStaticReferenceType(someType).setReturnType(TypeNode.STRING).build();
    ValueExpr rhsExpr = ValueExpr.createNullExpr();
    RelationalOperationExpr notEqualToOperationExpr = RelationalOperationExpr.notEqualToWithExprs(lhsExpr, rhsExpr);
    notEqualToOperationExpr.accept(writerVisitor);
    assertThat(writerVisitor.write()).isEqualTo("SomeClass.getName() != null");
}

Example 5 with ValueExpr

use of com.google.api.generator.engine.ast.ValueExpr in project gapic-generator-java by googleapis.

the class JavaWriterVisitorTest method writeMethodDefinition_withCommentsAnnotationsAndThrows.

@Test
public void writeMethodDefinition_withCommentsAnnotationsAndThrows() {
    LineComment lineComment = LineComment.withComment("AUTO-GENERATED DOCUMENTATION AND METHOD");
    JavaDocComment javaDocComment = JavaDocComment.builder().addComment("This is an override method called `close()`").addParam("valOne", "string type").addParam("valTwo", "boolean type").addComment("The return value is int 3.").build();
    ValueExpr returnExpr = ValueExpr.builder().setValue(PrimitiveValue.builder().setType(TypeNode.INT).setValue("3").build()).build();
    List<VariableExpr> arguments = Arrays.asList(VariableExpr.builder().setVariable(createVariable("valOne", TypeNode.STRING)).setIsDecl(true).build(), VariableExpr.builder().setVariable(createVariable("valTwo", TypeNode.BOOLEAN)).setIsDecl(true).build());
    MethodDefinition methodDefinition = MethodDefinition.builder().setName("close").setIsOverride(true).setIsFinal(true).setIsStatic(true).setScope(ScopeNode.PROTECTED).setReturnType(TypeNode.INT).setThrowsExceptions(Arrays.asList(TypeNode.withExceptionClazz(IOException.class), TypeNode.withExceptionClazz(TimeoutException.class), TypeNode.withExceptionClazz(InterruptedException.class))).setArguments(arguments).setReturnExpr(returnExpr).setHeaderCommentStatements(Arrays.asList(CommentStatement.withComment(lineComment), CommentStatement.withComment(javaDocComment))).setAnnotations(Arrays.asList(AnnotationNode.withSuppressWarnings("all"), AnnotationNode.DEPRECATED)).setBody(Arrays.asList(createForStatement(), ExprStatement.withExpr(createAssignmentExpr("foobar", "false", TypeNode.BOOLEAN)))).build();
    methodDefinition.accept(writerVisitor);
    String expected = LineFormatter.lines("// AUTO-GENERATED DOCUMENTATION AND METHOD\n", "/**\n", "* This is an override method called `close()`\n", "* The return value is int 3.\n", "* @param valOne string type\n", "* @param valTwo boolean type\n", "*/\n", "@SuppressWarnings(\"all\")\n", "@Deprecated\n", "@Override\n", "protected static final int close(String valOne, boolean valTwo) throws" + " IOException, TimeoutException, InterruptedException {\n", "for (String str : getSomeStrings()) {\n", "boolean aBool = false;\n", "}\n", "boolean foobar = false;\n", "return 3;\n", "}\n\n");
    assertEquals(expected, writerVisitor.write());
}