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Example 1 with RegionTag

use of com.google.api.generator.gapic.model.RegionTag in project gapic-generator-java by googleapis.

the class ServiceClientCallableMethodSampleComposer method composeLroCallableMethod.

// Compose sample code for the method where it is CallableMethodKind.LRO.
public static Sample composeLroCallableMethod(Method method, TypeNode clientType, Map<String, ResourceName> resourceNames, Map<String, Message> messageTypes) {
    VariableExpr clientVarExpr = VariableExpr.withVariable(Variable.builder().setName(JavaStyle.toLowerCamelCase(clientType.reference().name())).setType(clientType).build());
    // Assign method's request variable with the default value.
    VariableExpr requestVarExpr = VariableExpr.withVariable(Variable.builder().setName("request").setType(method.inputType()).build());
    Message requestMessage = messageTypes.get(method.inputType().reference().fullName());
    Preconditions.checkNotNull(requestMessage, String.format("Could not find the message type %s.", method.inputType().reference().fullName()));
    Expr requestBuilderExpr = DefaultValueComposer.createSimpleMessageBuilderValue(requestMessage, resourceNames, messageTypes);
    AssignmentExpr requestAssignmentExpr = AssignmentExpr.builder().setVariableExpr(requestVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(requestBuilderExpr).build();
    List<Expr> bodyExprs = new ArrayList<>();
    bodyExprs.add(requestAssignmentExpr);
    // Create OperationFuture variable expr with invoking client's LRO callable method.
    // e.g. OperationFuture<Empty, WaitMetadata> future =
    // echoClient.waitOperationCallable().futureCall(request);
    TypeNode operationFutureType = TypeNode.withReference(ConcreteReference.builder().setClazz(OperationFuture.class).setGenerics(method.lro().responseType().reference(), method.lro().metadataType().reference()).build());
    VariableExpr operationFutureVarExpr = VariableExpr.withVariable(Variable.builder().setName("future").setType(operationFutureType).build());
    MethodInvocationExpr rpcMethodInvocationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(clientVarExpr).setMethodName(String.format("%sOperationCallable", JavaStyle.toLowerCamelCase(method.name()))).build();
    rpcMethodInvocationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(rpcMethodInvocationExpr).setMethodName("futureCall").setArguments(requestVarExpr).setReturnType(operationFutureType).build();
    bodyExprs.add(AssignmentExpr.builder().setVariableExpr(operationFutureVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(rpcMethodInvocationExpr).build());
    List<Statement> bodyStatements = bodyExprs.stream().map(e -> ExprStatement.withExpr(e)).collect(Collectors.toList());
    bodyExprs.clear();
    // Add a line comment
    bodyStatements.add(CommentStatement.withComment(LineComment.withComment("Do something.")));
    // Assign response variable with invoking client's LRO method.
    // e.g. if return void, future.get(); or,
    // e.g. if return other type, WaitResponse response = future.get();
    MethodInvocationExpr futureGetMethodExpr = MethodInvocationExpr.builder().setExprReferenceExpr(operationFutureVarExpr).setMethodName("get").setReturnType(method.lro().responseType()).build();
    boolean returnsVoid = method.lro().responseType().isProtoEmptyType();
    if (returnsVoid) {
        bodyExprs.add(futureGetMethodExpr);
    } else {
        VariableExpr responseVarExpr = VariableExpr.builder().setVariable(Variable.builder().setName("response").setType(method.lro().responseType()).build()).setIsDecl(true).build();
        bodyExprs.add(AssignmentExpr.builder().setVariableExpr(responseVarExpr).setValueExpr(futureGetMethodExpr).build());
    }
    bodyStatements.addAll(bodyExprs.stream().map(e -> ExprStatement.withExpr(e)).collect(Collectors.toList()));
    bodyExprs.clear();
    RegionTag regionTag = RegionTag.builder().setServiceName(clientType.reference().name()).setRpcName(method.name()).setIsAsynchronous(true).setOverloadDisambiguation("LRO").build();
    List<Statement> body = Arrays.asList(TryCatchStatement.builder().setTryResourceExpr(SampleComposerUtil.assignClientVariableWithCreateMethodExpr(clientVarExpr)).setTryBody(bodyStatements).setIsSampleCode(true).build());
    return Sample.builder().setBody(body).setRegionTag(regionTag).build();
}
Also used : IfStatement(com.google.api.generator.engine.ast.IfStatement) Arrays(java.util.Arrays) TypeNode(com.google.api.generator.engine.ast.TypeNode) OperationFuture(com.google.api.gax.longrunning.OperationFuture) BreakStatement(com.google.api.generator.engine.ast.BreakStatement) Operation(com.google.longrunning.Operation) Variable(com.google.api.generator.engine.ast.Variable) RegionTag(com.google.api.generator.gapic.model.RegionTag) ArrayList(java.util.ArrayList) WhileStatement(com.google.api.generator.engine.ast.WhileStatement) DefaultValueComposer(com.google.api.generator.gapic.composer.defaultvalue.DefaultValueComposer) Strings(com.google.common.base.Strings) Expr(com.google.api.generator.engine.ast.Expr) Field(com.google.api.generator.gapic.model.Field) MethodDefinition(com.google.api.generator.engine.ast.MethodDefinition) Method(com.google.api.generator.gapic.model.Method) PrimitiveValue(com.google.api.generator.engine.ast.PrimitiveValue) Map(java.util.Map) TryCatchStatement(com.google.api.generator.engine.ast.TryCatchStatement) ServerStream(com.google.api.gax.rpc.ServerStream) LineComment(com.google.api.generator.engine.ast.LineComment) UnaryOperationExpr(com.google.api.generator.engine.ast.UnaryOperationExpr) AssignmentExpr(com.google.api.generator.engine.ast.AssignmentExpr) ConcreteReference(com.google.api.generator.engine.ast.ConcreteReference) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) ForStatement(com.google.api.generator.engine.ast.ForStatement) CommentStatement(com.google.api.generator.engine.ast.CommentStatement) ExprStatement(com.google.api.generator.engine.ast.ExprStatement) ScopeNode(com.google.api.generator.engine.ast.ScopeNode) Sample(com.google.api.generator.gapic.model.Sample) Collectors(java.util.stream.Collectors) AnonymousClassExpr(com.google.api.generator.engine.ast.AnonymousClassExpr) ResourceName(com.google.api.generator.gapic.model.ResourceName) ApiFuture(com.google.api.core.ApiFuture) ApiStreamObserver(com.google.api.gax.rpc.ApiStreamObserver) Statement(com.google.api.generator.engine.ast.Statement) List(java.util.List) BidiStream(com.google.api.gax.rpc.BidiStream) JavaStyle(com.google.api.generator.gapic.utils.JavaStyle) MethodInvocationExpr(com.google.api.generator.engine.ast.MethodInvocationExpr) Preconditions(com.google.common.base.Preconditions) Message(com.google.api.generator.gapic.model.Message) ValueExpr(com.google.api.generator.engine.ast.ValueExpr) Message(com.google.api.generator.gapic.model.Message) IfStatement(com.google.api.generator.engine.ast.IfStatement) BreakStatement(com.google.api.generator.engine.ast.BreakStatement) WhileStatement(com.google.api.generator.engine.ast.WhileStatement) TryCatchStatement(com.google.api.generator.engine.ast.TryCatchStatement) ForStatement(com.google.api.generator.engine.ast.ForStatement) CommentStatement(com.google.api.generator.engine.ast.CommentStatement) ExprStatement(com.google.api.generator.engine.ast.ExprStatement) Statement(com.google.api.generator.engine.ast.Statement) RegionTag(com.google.api.generator.gapic.model.RegionTag) ArrayList(java.util.ArrayList) AssignmentExpr(com.google.api.generator.engine.ast.AssignmentExpr) Expr(com.google.api.generator.engine.ast.Expr) UnaryOperationExpr(com.google.api.generator.engine.ast.UnaryOperationExpr) AssignmentExpr(com.google.api.generator.engine.ast.AssignmentExpr) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) AnonymousClassExpr(com.google.api.generator.engine.ast.AnonymousClassExpr) MethodInvocationExpr(com.google.api.generator.engine.ast.MethodInvocationExpr) ValueExpr(com.google.api.generator.engine.ast.ValueExpr) MethodInvocationExpr(com.google.api.generator.engine.ast.MethodInvocationExpr) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) TypeNode(com.google.api.generator.engine.ast.TypeNode) OperationFuture(com.google.api.gax.longrunning.OperationFuture)

Example 2 with RegionTag

use of com.google.api.generator.gapic.model.RegionTag in project gapic-generator-java by googleapis.

the class ServiceClientCallableMethodSampleComposer method composeStreamServerSample.

private static Sample composeStreamServerSample(Method method, VariableExpr clientVarExpr, AssignmentExpr requestAssignmentExpr) {
    List<Expr> bodyExprs = new ArrayList<>();
    bodyExprs.add(requestAssignmentExpr);
    // Create server stream variable expression, and assign it a value by invoking server stream
    // method.
    // e.g. ServerStream<EchoResponse> stream = echoClient.expandCallable().call(request)
    TypeNode serverStreamType = TypeNode.withReference(ConcreteReference.builder().setClazz(ServerStream.class).setGenerics(method.outputType().reference()).build());
    VariableExpr serverStreamVarExpr = VariableExpr.withVariable(Variable.builder().setName("stream").setType(serverStreamType).build());
    MethodInvocationExpr clientStreamCallMethodInvocationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(clientVarExpr).setMethodName(JavaStyle.toLowerCamelCase(String.format("%sCallable", method.name()))).build();
    clientStreamCallMethodInvocationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(clientStreamCallMethodInvocationExpr).setMethodName("call").setArguments(requestAssignmentExpr.variableExpr().toBuilder().setIsDecl(false).build()).setReturnType(serverStreamType).build();
    AssignmentExpr streamAssignmentExpr = AssignmentExpr.builder().setVariableExpr(serverStreamVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(clientStreamCallMethodInvocationExpr).build();
    bodyExprs.add(streamAssignmentExpr);
    List<Statement> bodyStatements = bodyExprs.stream().map(e -> ExprStatement.withExpr(e)).collect(Collectors.toList());
    // For-loop on server stream variable expression.
    // e.g. for (EchoResponse response : stream) {
    // // Do something when a response is received.
    // }
    VariableExpr responseVarExpr = VariableExpr.builder().setVariable(Variable.builder().setName("response").setType(method.outputType()).build()).setIsDecl(true).build();
    ForStatement forStatement = ForStatement.builder().setLocalVariableExpr(responseVarExpr).setCollectionExpr(serverStreamVarExpr).setBody(Arrays.asList(CommentStatement.withComment(LineComment.withComment("Do something when a response is received.")))).build();
    bodyStatements.add(forStatement);
    RegionTag regionTag = RegionTag.builder().setServiceName(clientVarExpr.variable().identifier().name()).setRpcName(method.name()).setIsAsynchronous(true).build();
    return Sample.builder().setBody(bodyStatements).setRegionTag(regionTag).build();
}
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Example 3 with RegionTag

use of com.google.api.generator.gapic.model.RegionTag in project gapic-generator-java by googleapis.

the class ServiceClientCallableMethodSampleComposer method composePagedCallableSample.

private static Sample composePagedCallableSample(Method method, VariableExpr clientVarExpr, VariableExpr requestVarExpr, Map<String, Message> messageTypes) {
    // Find the repeated field.
    Message methodOutputMessage = messageTypes.get(method.outputType().reference().fullName());
    Field repeatedPagedResultsField = methodOutputMessage.findAndUnwrapPaginatedRepeatedField();
    Preconditions.checkNotNull(repeatedPagedResultsField, String.format("No repeated field found on message %s for method %s", methodOutputMessage.name(), method.name()));
    TypeNode repeatedResponseType = repeatedPagedResultsField.type();
    // Assign future variable by invoking paged callable method.
    // e.g. ApiFuture<PagedExpandPagedResponse> future =
    // echoClient.pagedExpandCallable().futureCall(request);
    VariableExpr responseVarExpr = VariableExpr.withVariable(Variable.builder().setName("response").setType(method.outputType()).build());
    MethodInvocationExpr pagedCallableMethodInvocationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(clientVarExpr).setMethodName(JavaStyle.toLowerCamelCase(String.format("%sCallable", method.name()))).build();
    pagedCallableMethodInvocationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(pagedCallableMethodInvocationExpr).setMethodName("call").setArguments(requestVarExpr).setReturnType(method.outputType()).build();
    AssignmentExpr responseAssignmentExpr = AssignmentExpr.builder().setVariableExpr(responseVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(pagedCallableMethodInvocationExpr).build();
    List<Statement> whileBodyStatements = new ArrayList<>();
    whileBodyStatements.add(ExprStatement.withExpr(responseAssignmentExpr));
    // For-loop on repeated response elements.
    // e.g. for (EchoResponse element : response.getResponsesList()) {
    // // doThingsWith(element);
    // }
    VariableExpr repeatedResponseVarExpr = VariableExpr.withVariable(Variable.builder().setName("element").setType(repeatedResponseType).build());
    MethodInvocationExpr getResponseListMethodInvocationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(responseVarExpr).setMethodName("getResponsesList").build();
    ForStatement responseForStatements = ForStatement.builder().setLocalVariableExpr(repeatedResponseVarExpr.toBuilder().setIsDecl(true).build()).setCollectionExpr(getResponseListMethodInvocationExpr).setBody(Arrays.asList(CommentStatement.withComment(LineComment.withComment("doThingsWith(element);")))).build();
    whileBodyStatements.add(responseForStatements);
    // Create nextPageToken variable expression and assign it with a value by invoking
    // getNextPageToken method.
    // e.g. String nextPageToken = response.getNextPageToken();
    VariableExpr nextPageTokenVarExpr = VariableExpr.withVariable(Variable.builder().setName("nextPageToken").setType(TypeNode.STRING).build());
    MethodInvocationExpr getNextPageTokenMethodInvocationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(responseVarExpr).setMethodName("getNextPageToken").setReturnType(TypeNode.STRING).build();
    AssignmentExpr nextPageTokenAssignmentExpr = AssignmentExpr.builder().setVariableExpr(nextPageTokenVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(getNextPageTokenMethodInvocationExpr).build();
    whileBodyStatements.add(ExprStatement.withExpr(nextPageTokenAssignmentExpr));
    // If nextPageToken variable expression is not null or empty, assign request variable with a
    // value by invoking setPageToken method.
    // if (!Strings.isNullOrEmpty(nextPageToken)) {
    // request =  request.toBuilder().setPageToken(nextPageToken).build();
    // } else {
    // break;
    // }
    Expr conditionExpr = UnaryOperationExpr.logicalNotWithExpr(MethodInvocationExpr.builder().setStaticReferenceType(TypeNode.withReference(ConcreteReference.withClazz(Strings.class))).setMethodName("isNullOrEmpty").setArguments(nextPageTokenVarExpr).setReturnType(TypeNode.BOOLEAN).build());
    MethodInvocationExpr setPageTokenMethodInvocationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(requestVarExpr).setMethodName("toBuilder").build();
    setPageTokenMethodInvocationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(setPageTokenMethodInvocationExpr).setMethodName("setPageToken").setArguments(nextPageTokenVarExpr).build();
    setPageTokenMethodInvocationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(setPageTokenMethodInvocationExpr).setMethodName("build").setReturnType(method.inputType()).build();
    AssignmentExpr requestReAssignmentExpr = AssignmentExpr.builder().setVariableExpr(requestVarExpr).setValueExpr(setPageTokenMethodInvocationExpr).build();
    IfStatement nextPageTokenIfStatement = IfStatement.builder().setConditionExpr(conditionExpr).setBody(Arrays.asList(ExprStatement.withExpr(requestReAssignmentExpr))).setElseBody(Arrays.asList(BreakStatement.create())).build();
    whileBodyStatements.add(nextPageTokenIfStatement);
    WhileStatement pagedWhileStatement = WhileStatement.builder().setConditionExpr(ValueExpr.withValue(PrimitiveValue.builder().setValue("true").setType(TypeNode.BOOLEAN).build())).setBody(whileBodyStatements).build();
    RegionTag regionTag = RegionTag.builder().setServiceName(clientVarExpr.variable().identifier().name()).setRpcName(method.name()).setOverloadDisambiguation("Paged").setIsAsynchronous(true).build();
    return Sample.builder().setBody(Arrays.asList(pagedWhileStatement)).setRegionTag(regionTag).build();
}
Also used : Message(com.google.api.generator.gapic.model.Message) IfStatement(com.google.api.generator.engine.ast.IfStatement) BreakStatement(com.google.api.generator.engine.ast.BreakStatement) WhileStatement(com.google.api.generator.engine.ast.WhileStatement) TryCatchStatement(com.google.api.generator.engine.ast.TryCatchStatement) ForStatement(com.google.api.generator.engine.ast.ForStatement) CommentStatement(com.google.api.generator.engine.ast.CommentStatement) ExprStatement(com.google.api.generator.engine.ast.ExprStatement) Statement(com.google.api.generator.engine.ast.Statement) RegionTag(com.google.api.generator.gapic.model.RegionTag) ArrayList(java.util.ArrayList) AssignmentExpr(com.google.api.generator.engine.ast.AssignmentExpr) WhileStatement(com.google.api.generator.engine.ast.WhileStatement) Strings(com.google.common.base.Strings) Field(com.google.api.generator.gapic.model.Field) IfStatement(com.google.api.generator.engine.ast.IfStatement) Expr(com.google.api.generator.engine.ast.Expr) UnaryOperationExpr(com.google.api.generator.engine.ast.UnaryOperationExpr) AssignmentExpr(com.google.api.generator.engine.ast.AssignmentExpr) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) AnonymousClassExpr(com.google.api.generator.engine.ast.AnonymousClassExpr) MethodInvocationExpr(com.google.api.generator.engine.ast.MethodInvocationExpr) ValueExpr(com.google.api.generator.engine.ast.ValueExpr) MethodInvocationExpr(com.google.api.generator.engine.ast.MethodInvocationExpr) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) TypeNode(com.google.api.generator.engine.ast.TypeNode) ForStatement(com.google.api.generator.engine.ast.ForStatement)

Example 4 with RegionTag

use of com.google.api.generator.gapic.model.RegionTag in project gapic-generator-java by googleapis.

the class ServiceClientCallableMethodSampleComposer method composeStreamCallableMethod.

public static Sample composeStreamCallableMethod(Method method, TypeNode clientType, Map<String, ResourceName> resourceNames, Map<String, Message> messageTypes) {
    VariableExpr clientVarExpr = VariableExpr.withVariable(Variable.builder().setName(JavaStyle.toLowerCamelCase(clientType.reference().name())).setType(clientType).build());
    // Assign method's request variable with the default value.
    VariableExpr requestVarExpr = VariableExpr.withVariable(Variable.builder().setName("request").setType(method.inputType()).build());
    Message requestMessage = messageTypes.get(method.inputType().reference().fullName());
    Preconditions.checkNotNull(requestMessage, String.format("Could not find the message type %s.", method.inputType().reference().fullName()));
    Expr requestBuilderExpr = DefaultValueComposer.createSimpleMessageBuilderValue(requestMessage, resourceNames, messageTypes);
    AssignmentExpr requestAssignmentExpr = AssignmentExpr.builder().setVariableExpr(requestVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(requestBuilderExpr).build();
    RegionTag regionTag = null;
    List<Statement> bodyStatements = new ArrayList<>();
    if (method.stream().equals(Method.Stream.SERVER)) {
        // e.g. ServerStream<EchoResponse> stream = echoClient.expandCallable().call(request);
        Sample streamServer = composeStreamServerSample(method, clientVarExpr, requestAssignmentExpr);
        bodyStatements.addAll(streamServer.body());
        regionTag = streamServer.regionTag();
    } else if (method.stream().equals(Method.Stream.BIDI)) {
        // e.g. echoClient.collect().clientStreamingCall(responseObserver);
        Sample streamBidi = composeStreamBidiSample(method, clientVarExpr, requestAssignmentExpr);
        bodyStatements.addAll(streamBidi.body());
        regionTag = streamBidi.regionTag();
    } else if (method.stream().equals(Method.Stream.CLIENT)) {
        Sample streamClient = composeStreamClientSample(method, clientVarExpr, requestAssignmentExpr);
        bodyStatements.addAll(streamClient.body());
        regionTag = streamClient.regionTag();
    }
    List<Statement> body = Arrays.asList(TryCatchStatement.builder().setTryResourceExpr(SampleComposerUtil.assignClientVariableWithCreateMethodExpr(clientVarExpr)).setTryBody(bodyStatements).setIsSampleCode(true).build());
    return Sample.builder().setBody(body).setRegionTag(regionTag).build();
}
Also used : Message(com.google.api.generator.gapic.model.Message) Expr(com.google.api.generator.engine.ast.Expr) UnaryOperationExpr(com.google.api.generator.engine.ast.UnaryOperationExpr) AssignmentExpr(com.google.api.generator.engine.ast.AssignmentExpr) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) AnonymousClassExpr(com.google.api.generator.engine.ast.AnonymousClassExpr) MethodInvocationExpr(com.google.api.generator.engine.ast.MethodInvocationExpr) ValueExpr(com.google.api.generator.engine.ast.ValueExpr) RegionTag(com.google.api.generator.gapic.model.RegionTag) IfStatement(com.google.api.generator.engine.ast.IfStatement) BreakStatement(com.google.api.generator.engine.ast.BreakStatement) WhileStatement(com.google.api.generator.engine.ast.WhileStatement) TryCatchStatement(com.google.api.generator.engine.ast.TryCatchStatement) ForStatement(com.google.api.generator.engine.ast.ForStatement) CommentStatement(com.google.api.generator.engine.ast.CommentStatement) ExprStatement(com.google.api.generator.engine.ast.ExprStatement) Statement(com.google.api.generator.engine.ast.Statement) Sample(com.google.api.generator.gapic.model.Sample) ArrayList(java.util.ArrayList) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) AssignmentExpr(com.google.api.generator.engine.ast.AssignmentExpr)

Example 5 with RegionTag

use of com.google.api.generator.gapic.model.RegionTag in project gapic-generator-java by googleapis.

the class ServiceClientCallableMethodSampleComposer method composeStreamBidiSample.

private static Sample composeStreamBidiSample(Method method, VariableExpr clientVarExpr, AssignmentExpr requestAssignmentExpr) {
    List<Expr> bodyExprs = new ArrayList<>();
    // Create bidi stream variable expression and assign it with invoking client's bidi stream
    // method.
    // e.g. BidiStream<EchoRequest, EchoResponse> bidiStream = echoClient.chatCallable().call();
    TypeNode bidiStreamType = TypeNode.withReference(ConcreteReference.builder().setClazz(BidiStream.class).setGenerics(method.inputType().reference(), method.outputType().reference()).build());
    VariableExpr bidiStreamVarExpr = VariableExpr.withVariable(Variable.builder().setName("bidiStream").setType(bidiStreamType).build());
    MethodInvocationExpr clientBidiStreamCallMethodInvoationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(clientVarExpr).setMethodName(JavaStyle.toLowerCamelCase(String.format("%sCallable", method.name()))).build();
    clientBidiStreamCallMethodInvoationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(clientBidiStreamCallMethodInvoationExpr).setMethodName("call").setReturnType(bidiStreamType).build();
    AssignmentExpr bidiStreamAssignmentExpr = AssignmentExpr.builder().setVariableExpr(bidiStreamVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(clientBidiStreamCallMethodInvoationExpr).build();
    bodyExprs.add(bidiStreamAssignmentExpr);
    // Add request with default value expression.
    bodyExprs.add(requestAssignmentExpr);
    // Invoke send method with argument request.
    // e.g. bidiStream.send(request);
    MethodInvocationExpr sendMethodInvocationExpr = MethodInvocationExpr.builder().setExprReferenceExpr(bidiStreamVarExpr).setArguments(requestAssignmentExpr.variableExpr().toBuilder().setIsDecl(false).build()).setMethodName("send").build();
    bodyExprs.add(sendMethodInvocationExpr);
    List<Statement> bodyStatements = bodyExprs.stream().map(e -> ExprStatement.withExpr(e)).collect(Collectors.toList());
    // For-loop on bidi stream variable.
    // e.g. for (EchoResponse response : bidiStream) {
    // // Do something when reveive a response.
    // }
    ForStatement forStatement = ForStatement.builder().setLocalVariableExpr(VariableExpr.builder().setVariable(Variable.builder().setType(method.outputType()).setName("response").build()).setIsDecl(true).build()).setCollectionExpr(bidiStreamVarExpr).setBody(Arrays.asList(CommentStatement.withComment(LineComment.withComment("Do something when a response is received.")))).build();
    bodyStatements.add(forStatement);
    RegionTag regionTag = RegionTag.builder().setServiceName(clientVarExpr.variable().identifier().name()).setRpcName(method.name()).setIsAsynchronous(true).build();
    return Sample.builder().setBody(bodyStatements).setRegionTag(regionTag).build();
}
Also used : IfStatement(com.google.api.generator.engine.ast.IfStatement) Arrays(java.util.Arrays) TypeNode(com.google.api.generator.engine.ast.TypeNode) OperationFuture(com.google.api.gax.longrunning.OperationFuture) BreakStatement(com.google.api.generator.engine.ast.BreakStatement) Operation(com.google.longrunning.Operation) Variable(com.google.api.generator.engine.ast.Variable) RegionTag(com.google.api.generator.gapic.model.RegionTag) ArrayList(java.util.ArrayList) WhileStatement(com.google.api.generator.engine.ast.WhileStatement) DefaultValueComposer(com.google.api.generator.gapic.composer.defaultvalue.DefaultValueComposer) Strings(com.google.common.base.Strings) Expr(com.google.api.generator.engine.ast.Expr) Field(com.google.api.generator.gapic.model.Field) MethodDefinition(com.google.api.generator.engine.ast.MethodDefinition) Method(com.google.api.generator.gapic.model.Method) PrimitiveValue(com.google.api.generator.engine.ast.PrimitiveValue) Map(java.util.Map) TryCatchStatement(com.google.api.generator.engine.ast.TryCatchStatement) ServerStream(com.google.api.gax.rpc.ServerStream) LineComment(com.google.api.generator.engine.ast.LineComment) UnaryOperationExpr(com.google.api.generator.engine.ast.UnaryOperationExpr) AssignmentExpr(com.google.api.generator.engine.ast.AssignmentExpr) ConcreteReference(com.google.api.generator.engine.ast.ConcreteReference) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) ForStatement(com.google.api.generator.engine.ast.ForStatement) CommentStatement(com.google.api.generator.engine.ast.CommentStatement) ExprStatement(com.google.api.generator.engine.ast.ExprStatement) ScopeNode(com.google.api.generator.engine.ast.ScopeNode) Sample(com.google.api.generator.gapic.model.Sample) Collectors(java.util.stream.Collectors) AnonymousClassExpr(com.google.api.generator.engine.ast.AnonymousClassExpr) ResourceName(com.google.api.generator.gapic.model.ResourceName) ApiFuture(com.google.api.core.ApiFuture) ApiStreamObserver(com.google.api.gax.rpc.ApiStreamObserver) Statement(com.google.api.generator.engine.ast.Statement) List(java.util.List) BidiStream(com.google.api.gax.rpc.BidiStream) JavaStyle(com.google.api.generator.gapic.utils.JavaStyle) MethodInvocationExpr(com.google.api.generator.engine.ast.MethodInvocationExpr) Preconditions(com.google.common.base.Preconditions) Message(com.google.api.generator.gapic.model.Message) ValueExpr(com.google.api.generator.engine.ast.ValueExpr) IfStatement(com.google.api.generator.engine.ast.IfStatement) BreakStatement(com.google.api.generator.engine.ast.BreakStatement) WhileStatement(com.google.api.generator.engine.ast.WhileStatement) TryCatchStatement(com.google.api.generator.engine.ast.TryCatchStatement) ForStatement(com.google.api.generator.engine.ast.ForStatement) CommentStatement(com.google.api.generator.engine.ast.CommentStatement) ExprStatement(com.google.api.generator.engine.ast.ExprStatement) Statement(com.google.api.generator.engine.ast.Statement) RegionTag(com.google.api.generator.gapic.model.RegionTag) ArrayList(java.util.ArrayList) AssignmentExpr(com.google.api.generator.engine.ast.AssignmentExpr) BidiStream(com.google.api.gax.rpc.BidiStream) Expr(com.google.api.generator.engine.ast.Expr) UnaryOperationExpr(com.google.api.generator.engine.ast.UnaryOperationExpr) AssignmentExpr(com.google.api.generator.engine.ast.AssignmentExpr) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) AnonymousClassExpr(com.google.api.generator.engine.ast.AnonymousClassExpr) MethodInvocationExpr(com.google.api.generator.engine.ast.MethodInvocationExpr) ValueExpr(com.google.api.generator.engine.ast.ValueExpr) MethodInvocationExpr(com.google.api.generator.engine.ast.MethodInvocationExpr) VariableExpr(com.google.api.generator.engine.ast.VariableExpr) TypeNode(com.google.api.generator.engine.ast.TypeNode) ForStatement(com.google.api.generator.engine.ast.ForStatement)

Aggregations

VariableExpr (com.google.api.generator.engine.ast.VariableExpr)19 RegionTag (com.google.api.generator.gapic.model.RegionTag)19 MethodInvocationExpr (com.google.api.generator.engine.ast.MethodInvocationExpr)18 AssignmentExpr (com.google.api.generator.engine.ast.AssignmentExpr)17 ExprStatement (com.google.api.generator.engine.ast.ExprStatement)17 Statement (com.google.api.generator.engine.ast.Statement)17 TryCatchStatement (com.google.api.generator.engine.ast.TryCatchStatement)16 Expr (com.google.api.generator.engine.ast.Expr)15 ArrayList (java.util.ArrayList)14 CommentStatement (com.google.api.generator.engine.ast.CommentStatement)12 ForStatement (com.google.api.generator.engine.ast.ForStatement)12 TypeNode (com.google.api.generator.engine.ast.TypeNode)12 Sample (com.google.api.generator.gapic.model.Sample)11 Message (com.google.api.generator.gapic.model.Message)10 ValueExpr (com.google.api.generator.engine.ast.ValueExpr)9 AnonymousClassExpr (com.google.api.generator.engine.ast.AnonymousClassExpr)8 BreakStatement (com.google.api.generator.engine.ast.BreakStatement)8 IfStatement (com.google.api.generator.engine.ast.IfStatement)8 UnaryOperationExpr (com.google.api.generator.engine.ast.UnaryOperationExpr)8 WhileStatement (com.google.api.generator.engine.ast.WhileStatement)8