io.fabric8.kubernetes.api.model.ResourceRequirementsBuilder Maven / Gradle / Ivy

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package io.fabric8.kubernetes.api.model;

import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;
import javax.validation.ValidationException;
import java.util.Set;
import io.fabric8.kubernetes.api.model.resource.Quantity;
import java.util.HashMap;
import java.util.Map;
import io.fabric8.common.Builder;

public class ResourceRequirementsBuilder extends ResourceRequirementsFluent implements Builder{

     ResourceRequirementsFluent fluent;
public ResourceRequirementsBuilder(){
    this(new ResourceRequirements());
}
public ResourceRequirementsBuilder( ResourceRequirementsFluent fluent ){
    this(fluent, new ResourceRequirements());
}
public ResourceRequirementsBuilder( ResourceRequirementsFluent fluent , ResourceRequirements instance ){
    this.fluent = fluent; fluent.withLimits(instance.getLimits()); fluent.withRequests(instance.getRequests()); 
}
public ResourceRequirementsBuilder( ResourceRequirements instance ){
    this.fluent = this; this.withLimits(instance.getLimits()); this.withRequests(instance.getRequests()); 
}

public ResourceRequirements build(){
    ResourceRequirements buildable = new ResourceRequirements(fluent.getLimits(),fluent.getRequests());
validate(buildable);
return buildable;

}

private  void validate(T item) {
    try {
        ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
        Validator validator = factory.getValidator();
        
        Set> violations = validator.validate(item);
        if (!violations.isEmpty()) {
            StringBuilder sb = new StringBuilder();
            sb.append("Constraint Violations:\n");
            for (ConstraintViolation violation : violations) {
                sb.append("\t").append(violation.getRootBeanClass().getSimpleName()).append(" ").append(violation.getPropertyPath()).append(":").append(violation.getMessage()).append("\n");
            }
            throw new IllegalStateException(sb.toString());
        }
    } catch(ValidationException e) {
        //ignore
    }
}


}