ion-java | Java streaming parser/serializer for Ion | Stream Processing library
kandi X-RAY | ion-java Summary
kandi X-RAY | ion-java Summary
A Java implementation of the Ion data notation.
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Top functions reviewed by kandi - BETA
- Computes the next pointer to the current state
- Initializes the state data
- Returns the next import
- From interface BaseBlock
- Validate the block
- Clears the contents of the buffer
- Given a CharSequence returns null
- Computes the keyword of a word
- For test purposes only
- Copy data from a Calendar to this timestamp
- Find the block that is ready to write to
- Write local symtab
- Process command line arguments
- Updates the field name
- Perform a step out
- Writes the symbol table
- Seek
- Reads a BigInteger value as a BigInteger
- Clones this buffer
- Insert into the buffer at the current position
- Process the command line arguments
- Returns a substitute shared symbol table
- Converts a UTF - 8 encoded byte array into a Unicode scalar
- Main entry point to the server
- Parses a symbol table
- Summarize state transitions
ion-java Key Features
ion-java Examples and Code Snippets
Community Discussions
Trending Discussions on ion-java
QUESTION
Im trying to avoid SQL duplication. I found this code here how to prevent duplication. Java,SQL which is successful. I know rs.next will move the cursor, but how does it help avoid duplication (does it compare every value)? What is done is just checking is there another row and if there return true right?
ANSWER
Answered 2022-Apr-12 at 10:46Your code is quite straightforward. You make a query that fetches ALL rows of the table login where username = XXX. Then you check whether there is any data in the ResultSet by executing the rs.next() function. This function returns a boolean value that is true when there is yet more data in the rs and false when there is no more data.
As you said, it also moves the cursor.
Does it compare every value(row)?
Yes. Your query looks every row up and checks whether username = XXX
QUESTION
I get the same issue as in this question when I do react-native run-android. I think it wants java 11 but I want to continue with 1.8. How can I do it?
...ANSWER
Answered 2022-Apr-07 at 13:12what you need to do;
- log into my computer
- right click and select properties
- enter advanced system settings
- add new path name: JAVA_HOME
- select the java 11 jdk location and save it
or
- open cmd for adminstator
- setx JAVA_HOME -m "path"
After doing all of them, delete your old React Native project and install a new one.
or
- open project with android stiduo
- find node_moduls -> react-native-gradle-plugin -> build.gradle -> change java 1.8 to java 11.0
QUESTION
In Element#getAnnotation(Class annotationType) javadoc it is stated that
Note: This method is unlike others in this and related interfaces. It operates on runtime reflective information — representations of annotation types currently loaded into the VM — rather than on the representations defined by and used throughout these interfaces. Consequently, calling methods on the returned annotation object can throw many of the exceptions that can be thrown when calling methods on an annotation object returned by core reflection. This method is intended for callers that are written to operate on a known, fixed set of annotation types.
Yet, this method is frequently used in annotation processing which is part of the compilation phase. What I want to understand is what, how, and why things gets loaded to VM at compilation time, and what are the pros and cons.
For example, in the case of Element#getAnnotation(Class annotationType), is there any drawbacks (except possibly not being able to access values of type class in the annotation), compared to if we get the same information using mirrors (which is usually the longer code)?
ANSWER
Answered 2022-Mar-31 at 05:04The javac compiler is expected to be a JVM application (if only because javax.lang.model is a Java-based API). So it can naturally use runtime Reflection during it's execution.
What the documentation tries to say, — a bit clumsily perhaps, — is that JVM compiler isn't expected to load the classes it builds from source code (or their binary compilation dependencies). But when you use Element#getAnnotation(Class annotationType), it might have to.
The documentation you cited actually lists several Exception classes, that may be thrown due to this:
- MirroredTypeException. As you already realized, it is thrown when you try to load a type that hasn't been built yet, used as argument within an annotation.
- AnnotationTypeMismatchException, EnumConstantNotPresentException and IncompleteAnnotationException. Those exceptions can be thrown when the version of annotation loaded by javac does not match the version, referenced by build classpath
The mismatched versions can be hard to avoid, because some build systems, such as Gradle, require you to specify annotation processor separately from the rest of dependencies.
QUESTION
I getting this warning while running application.
I tried solution [here][1] but it is not working ,I am not sure what am I missing, could anyone help here? Thanks in advance.
...ANSWER
Answered 2022-Mar-08 at 22:49You have to use the information SLF4J provide you and back trace the dependency using dependency:tree and its includes option.
This message:
QUESTION
I'm using Spring Integration using DSL for handling communication between JMS and REST service. The requirement is that messages should be redelivered indefinetly. In one case, I have to sequentially execute two operations. If first one fails, the second one shouldn't be executed, but in case it's 4xx error I shouldn't try to redeliver it. My code looks like this:
...ANSWER
Answered 2022-Jan-19 at 20:42That is the default behavior; the second subscriber won't be called unless the ignoreFailures property is true (it is false by default).
You need to show the upstream flow, but to "catch" the exception you need to add an error channel to the (presumably) message-driven inbound adapter and handle the exception there.
QUESTION
In the last couple of days, I have gone through some unmet dependencies issues while upgrading. I tried to install those packages separately but couldn't come up with a solution.
I know one solution that is to remove the antivirus from the system. But I'm not permitted for me to remove the antivirus. I want another solution without removing anti-virus from the system.
It shows while unpacking the package:
...ANSWER
Answered 2022-Jan-08 at 18:18Here is the solution that works for me:
Basically, Antivirus prevents the installation of the packages as my system has already one (McAfee agent).
First of all, I checked the status of the antivirus with the following commands if it is running or not:
QUESTION
So I'm using gitlab and I have a java project that's built on gitlab VM using a .gitlab-ci-yml file.
I have this problem where we have to change the java version the project is build with (current java 11).
So adding in build.xml this: will print 11.
I've tried to change it specifying in javac the source and target but if the target is not specified, it will not build it using another java version, and if it is specified, it will return an error:
Also using will return the same error.
So I'm not sure if basically adding my own ant tool and java version into the package and force it to use that one will work, I don't know how to do this.
Here is the build.xml file and also the .gitlab-ci.yml
UPDATE: .gitlab-ci.yml was updated. Now the error seems to be the following, having the below .gilab-ci.yml file:
Unable to locate package adoptopenjdk-17-hotspot
build.xml
ANSWER
Answered 2021-Oct-18 at 13:08According to the information provided in the comments, you have Java 14.0.1 on your GitLab runner. Since this Java version is used to launch ant and its tasks, it cannot compile code with a "17" target version.
To make a long story short, you'll need a newer Java version on your runner.
The simplest way of doing this is probably by using a pre-built image that contains it:
QUESTION
I am currently trying to develop a method for invoking a specific class. The problem I am having is that I need to get the fully-qualified name or full class name when I invoke the class.
...ANSWER
Answered 2021-Sep-23 at 09:57If you just want to invoke method on given class - you can always refer to it using .class so you could change parameter of your method from String className to Class myClass and simply remove Class myClass = null; from your method's body.
However, if you want to keep your method's signature as it is and find a class by its simple name instead of fully-qualified name - you can also do this. I could suggest usage of https://github.com/ronmamo/reflections which makes things a lot easier.
Then you can find your class using code like this:
QUESTION
Just going through the CompletableFuture documentation and stumbled upon the completeExceptionally and obtrudeException methods and is having a hard time comprehending the difference and use case. Can the community help understand the difference and the use case with an example?
ANSWER
Answered 2021-Sep-04 at 12:28completeExceptionally:
QUESTION
ANSWER
Answered 2021-Jun-21 at 21:55The AWS SDK will look in a set of predefined places to find some credentials to supply to the service when it connects. According to the Spring Boot documentation:
Spring Cloud for AWS can automatically detect this based on your environment or stack once you enable the Spring Boot property cloud.aws.region.auto.
You can also set the region in a static fashion for your application:
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