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

Example 1 with AssignmentOperationExpr

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

the class JavaWriterVisitorTest method writeAssignmentOperationExpr_multiplyAssignment.

@Test
public void writeAssignmentOperationExpr_multiplyAssignment() {
    VariableExpr lhsExpr = createVariableExpr("h", TypeNode.INT);
    ValueExpr rhsExpr = ValueExpr.withValue(PrimitiveValue.builder().setType(TypeNode.INT).setValue("1000003").build());
    AssignmentOperationExpr assignmentOperationExpr = AssignmentOperationExpr.multiplyAssignmentWithExprs(lhsExpr, rhsExpr);
    assignmentOperationExpr.accept(writerVisitor);
    assertThat(writerVisitor.write()).isEqualTo("h *= 1000003");
}

Example 2 with AssignmentOperationExpr

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

the class JavaWriterVisitorTest method writeAssignmentOperationExpr_xorAssignment.

@Test
public void writeAssignmentOperationExpr_xorAssignment() {
    VariableExpr lhsExpr = createVariableExpr("h", TypeNode.INT);
    TypeNode objectType = TypeNode.withReference(VaporReference.builder().setName("Objects").setPakkage("java.lang.Object").build());
    MethodInvocationExpr rhsExpr = MethodInvocationExpr.builder().setReturnType(TypeNode.INT).setMethodName("hashCode").setStaticReferenceType(objectType).setArguments(Arrays.asList(VariableExpr.withVariable(createVariable("fixedValue", TypeNode.OBJECT)))).build();
    AssignmentOperationExpr assignmentOperationExpr = AssignmentOperationExpr.xorAssignmentWithExprs(lhsExpr, rhsExpr);
    assignmentOperationExpr.accept(writerVisitor);
    assertThat(writerVisitor.write()).isEqualTo("h ^= Objects.hashCode(fixedValue)");
}

Example 3 with AssignmentOperationExpr

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

the class ResourceNameHelperClassComposer method createHashCodeMethod.

private static MethodDefinition createHashCodeMethod(List<List<String>> tokenHierarchies) {
    List<Statement> assignmentBody = new ArrayList<>();
    // code: int h = 1;
    Variable hVar = Variable.builder().setType(TypeNode.INT).setName("h").build();
    VariableExpr hVarExpr = VariableExpr.builder().setVariable(hVar).build();
    ValueExpr hValueExpr = ValueExpr.withValue(PrimitiveValue.builder().setType(TypeNode.INT).setValue("1").build());
    AssignmentExpr hAssignmentExpr = AssignmentExpr.builder().setVariableExpr(hVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(hValueExpr).build();
    assignmentBody.add(ExprStatement.withExpr(hAssignmentExpr));
    // code: h *= 1000003;
    // code: h ^= Objects.hashCode(...);
    ValueExpr numValueExpr = ValueExpr.withValue(PrimitiveValue.builder().setType(TypeNode.INT).setValue("1000003").build());
    AssignmentOperationExpr multiplyAssignmentOpExpr = AssignmentOperationExpr.multiplyAssignmentWithExprs(hVarExpr, numValueExpr);
    // PubSub special-case handling - exclude _deleted-topic_.
    List<List<String>> processedTokenHierarchies = tokenHierarchies.stream().filter(ts -> !ts.contains(ResourceNameConstants.DELETED_TOPIC_LITERAL)).collect(Collectors.toList());
    // If it has variants, add the multiply and xor assignment operation exprs for fixedValue.
    boolean hasVariants = processedTokenHierarchies.size() > 1;
    if (hasVariants) {
        VariableExpr fixedValueVarExpr = FIXED_CLASS_VARS.get("fixedValue");
        assignmentBody.add(ExprStatement.withExpr(multiplyAssignmentOpExpr));
        assignmentBody.add(ExprStatement.withExpr(AssignmentOperationExpr.xorAssignmentWithExprs(hVarExpr, createObjectsHashCodeForVarMethod(fixedValueVarExpr))));
    }
    // Add the multiply and xor assignment operation exprs for tokens.
    Set<String> tokenSet = getTokenSet(processedTokenHierarchies);
    tokenSet.stream().forEach(token -> {
        VariableExpr tokenVarExpr = VariableExpr.withVariable(Variable.builder().setName(JavaStyle.toLowerCamelCase(token)).setType(TypeNode.STRING).build());
        assignmentBody.add(ExprStatement.withExpr(multiplyAssignmentOpExpr));
        assignmentBody.add(ExprStatement.withExpr(AssignmentOperationExpr.xorAssignmentWithExprs(hVarExpr, createObjectsHashCodeForVarMethod(tokenVarExpr))));
    });
    return MethodDefinition.builder().setIsOverride(true).setScope(ScopeNode.PUBLIC).setReturnType(TypeNode.INT).setName("hashCode").setBody(assignmentBody).setReturnExpr(hVarExpr).build();
}