You can use metadata to specify that a field is required or has a minimum size, and so on. This is done using the validation metadata in the org.talend.sdk.component.api.configuration.constraint package:
MaxLength$
Ensure the decorated option size is validated with a higher bound.
-
API:
@org.talend.sdk.component.api.configuration.constraint.Max -
Name:
maxLength -
Parameter Type:
double -
Supported Types: —
java.lang.CharSequence -
Sample:
{
"validation::maxLength":"12.34"
}MinLength$
Ensure the decorated option size is validated with a lower bound.
-
API:
@org.talend.sdk.component.api.configuration.constraint.Min -
Name:
minLength -
Parameter Type:
double -
Supported Types: —
java.lang.CharSequence -
Sample:
{
"validation::minLength":"12.34"
}Pattern$
Validate the decorated string with a javascript pattern (even into the Studio).
-
API:
@org.talend.sdk.component.api.configuration.constraint.Pattern -
Name:
pattern -
Parameter Type:
java.lang.string -
Supported Types: —
java.lang.CharSequence -
Sample:
{
"validation::pattern":"test"
}Max$
Ensure the decorated option size is validated with a higher bound.
-
API:
@org.talend.sdk.component.api.configuration.constraint.Max -
Name:
max -
Parameter Type:
double -
Supported Types: —
java.lang.Number—int—short—byte—long—double—float -
Sample:
{
"validation::max":"12.34"
}Min$
Ensure the decorated option size is validated with a lower bound.
-
API:
@org.talend.sdk.component.api.configuration.constraint.Min -
Name:
min -
Parameter Type:
double -
Supported Types: —
java.lang.Number—int—short—byte—long—double—float -
Sample:
{
"validation::min":"12.34"
}Required$
Mark the field as being mandatory.
-
API:
@org.talend.sdk.component.api.configuration.constraint.Required -
Name:
required -
Parameter Type:
- -
Supported Types: —
java.lang.Object -
Sample:
{
"validation::required":"true"
}MaxItems$
Ensure the decorated option size is validated with a higher bound.
-
API:
@org.talend.sdk.component.api.configuration.constraint.Max -
Name:
maxItems -
Parameter Type:
double -
Supported Types: —
java.util.Collection -
Sample:
{
"validation::maxItems":"12.34"
}MinItems$
Ensure the decorated option size is validated with a lower bound.
-
API:
@org.talend.sdk.component.api.configuration.constraint.Min -
Name:
minItems -
Parameter Type:
double -
Supported Types: —
java.util.Collection -
Sample:
{
"validation::minItems":"12.34"
}UniqueItems$
Ensure the elements of the collection must be distinct (kind of set).
-
API:
@org.talend.sdk.component.api.configuration.constraint.Uniques -
Name:
uniqueItems -
Parameter Type:
- -
Supported Types: —
java.util.Collection -
Sample:
{
"validation::uniqueItems":"true"
}