Complex objects using room - Android
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I just started using Room library for database and I figured out that it is more complicated to put an object in the table. I made a diagram to demonstrate the situation in my app:
I could insert the Workout object into my table, but I have to create Converters to simplify the Exercise List object.
I also would like to create a table for Exercises that have the Workline List objects..
Any suggestions?
Thanks in advance.
android android-room asked Nov 16 '18 at 17:39
Ofek PintokOfek Pintok
807
add a comment |
I just started using Room library for database and I figured out that it is more complicated to put an object in the table. I made a diagram to demonstrate the situation in my app:
I could insert the Workout object into my table, but I have to create Converters to simplify the Exercise List object.
I also would like to create a table for Exercises that have the Workline List objects..
Any suggestions?
Thanks in advance.
android android-room asked Nov 16 '18 at 17:39
Ofek PintokOfek Pintok
807
I'm not sure what you're asking. Are you asking how to store List<Worklines> in a field? You already answered that yourself: using Converters. Are you asking how to use a Converter?
– m0skit0
Nov 16 '18 at 18:38
@m0skit0 yeah, how can I use a converter on List<Exercises>?
– Ofek Pintok
Nov 16 '18 at 20:19
1
You can serilize it (e.g. Java's serialization, JSON, YAML...) then store it, and deserialize for retrieving.
– m0skit0
Nov 19 '18 at 10:15
I did it, using gson. But, everytime I want to update exersice or workline object I have to update the whole Workout object.
– Ofek Pintok
Nov 20 '18 at 11:42
Why you have to update Workout if you only want to update Exercise? That's a logic mistake in your program and has nothing to do with your question.
– m0skit0
Nov 20 '18 at 14:14
add a comment |
I just started using Room library for database and I figured out that it is more complicated to put an object in the table. I made a diagram to demonstrate the situation in my app:
I could insert the Workout object into my table, but I have to create Converters to simplify the Exercise List object.
I also would like to create a table for Exercises that have the Workline List objects..
Any suggestions?
Thanks in advance.
android android-room asked Nov 16 '18 at 17:39
Ofek PintokOfek Pintok
807
I just started using Room library for database and I figured out that it is more complicated to put an object in the table. I made a diagram to demonstrate the situation in my app:
I could insert the Workout object into my table, but I have to create Converters to simplify the Exercise List object.
I also would like to create a table for Exercises that have the Workline List objects..
Any suggestions?
Thanks in advance.
android android-room android android-room asked Nov 16 '18 at 17:39
Ofek PintokOfek Pintok
807
asked Nov 16 '18 at 17:39
Ofek PintokOfek Pintok
807
asked Nov 16 '18 at 17:39
Ofek PintokOfek Pintok
807
asked Nov 16 '18 at 17:39
Ofek PintokOfek Pintok
807
asked Nov 16 '18 at 17:39
Ofek PintokOfek Pintok
807
807
I'm not sure what you're asking. Are you asking how to store List<Worklines> in a field? You already answered that yourself: using Converters. Are you asking how to use a Converter?
– m0skit0
Nov 16 '18 at 18:38
@m0skit0 yeah, how can I use a converter on List<Exercises>?
– Ofek Pintok
Nov 16 '18 at 20:19
1
You can serilize it (e.g. Java's serialization, JSON, YAML...) then store it, and deserialize for retrieving.
– m0skit0
Nov 19 '18 at 10:15
I did it, using gson. But, everytime I want to update exersice or workline object I have to update the whole Workout object.
– Ofek Pintok
Nov 20 '18 at 11:42
Why you have to update Workout if you only want to update Exercise? That's a logic mistake in your program and has nothing to do with your question.
– m0skit0
Nov 20 '18 at 14:14
add a comment |
I'm not sure what you're asking. Are you asking how to store List<Worklines> in a field? You already answered that yourself: using Converters. Are you asking how to use a Converter?
– m0skit0
Nov 16 '18 at 18:38
@m0skit0 yeah, how can I use a converter on List<Exercises>?
– Ofek Pintok
Nov 16 '18 at 20:19
1
You can serilize it (e.g. Java's serialization, JSON, YAML...) then store it, and deserialize for retrieving.
– m0skit0
Nov 19 '18 at 10:15
I did it, using gson. But, everytime I want to update exersice or workline object I have to update the whole Workout object.
– Ofek Pintok
Nov 20 '18 at 11:42
Why you have to update Workout if you only want to update Exercise? That's a logic mistake in your program and has nothing to do with your question.
– m0skit0
Nov 20 '18 at 14:14
I'm not sure what you're asking. Are you asking how to store List<Worklines> in a field? You already answered that yourself: using Converters. Are you asking how to use a Converter?
– m0skit0
Nov 16 '18 at 18:38
I'm not sure what you're asking. Are you asking how to store List<Worklines> in a field? You already answered that yourself: using Converters. Are you asking how to use a Converter?
– m0skit0
Nov 16 '18 at 18:38
@m0skit0 yeah, how can I use a converter on List<Exercises>?
– Ofek Pintok
Nov 16 '18 at 20:19
@m0skit0 yeah, how can I use a converter on List<Exercises>?
– Ofek Pintok
Nov 16 '18 at 20:19
1
1
You can serilize it (e.g. Java's serialization, JSON, YAML...) then store it, and deserialize for retrieving.
– m0skit0
Nov 19 '18 at 10:15
You can serilize it (e.g. Java's serialization, JSON, YAML...) then store it, and deserialize for retrieving.
– m0skit0
Nov 19 '18 at 10:15
I did it, using gson. But, everytime I want to update exersice or workline object I have to update the whole Workout object.
– Ofek Pintok
Nov 20 '18 at 11:42
I did it, using gson. But, everytime I want to update exersice or workline object I have to update the whole Workout object.
– Ofek Pintok
Nov 20 '18 at 11:42
Why you have to update Workout if you only want to update Exercise? That's a logic mistake in your program and has nothing to do with your question.
– m0skit0
Nov 20 '18 at 14:14
Why you have to update Workout if you only want to update Exercise? That's a logic mistake in your program and has nothing to do with your question.
– m0skit0
Nov 20 '18 at 14:14
add a comment |
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I'm not sure what you're asking. Are you asking how to store List<Worklines> in a field? You already answered that yourself: using Converters. Are you asking how to use a Converter?
– m0skit0
Nov 16 '18 at 18:38
@m0skit0 yeah, how can I use a converter on List<Exercises>?
– Ofek Pintok
Nov 16 '18 at 20:19
1
You can serilize it (e.g. Java's serialization, JSON, YAML...) then store it, and deserialize for retrieving.
– m0skit0
Nov 19 '18 at 10:15
I did it, using gson. But, everytime I want to update exersice or workline object I have to update the whole Workout object.
– Ofek Pintok
Nov 20 '18 at 11:42
Why you have to update Workout if you only want to update Exercise? That's a logic mistake in your program and has nothing to do with your question.
– m0skit0
Nov 20 '18 at 14:14