graphql.schema.idl.SchemaPrinterComparatorEnvironment Maven / Gradle / Ivy
package graphql.schema.idl;
import graphql.Assert;
import graphql.PublicApi;
import graphql.schema.GraphQLType;
import java.util.function.Consumer;
/**
* Defines the scope to control where the registered {@code Comparator} can be applied.
*
* {@code elementType}s can be ordered within its {@code parentType} to restrict the {@code Comparator}s scope of operation.
* Otherwise supplying only the {@code elementType} results in the {@code Comparator} being reused across all matching {@code GraphQLType}s regardless of parent.
*/
@PublicApi
public class SchemaPrinterComparatorEnvironment {
private Class parentType;
private Class elementType;
private SchemaPrinterComparatorEnvironment(Class parentType, Class elementType) {
Assert.assertNotNull(elementType, "elementType can't be null");
this.parentType = parentType;
this.elementType = elementType;
}
/**
* @return The parent type or {@code null} if not supplied.
*/
public Class getParentType() {
return parentType;
}
/**
* @return The valid element type.
*/
public Class getElementType() {
return elementType;
}
/**
* This helps you transform the current {@code SchemaPrinterComparatorEnvironment} into another one by starting a builder with all
* the current values and allows you to transform it how you want.
*
* @param builderConsumer the consumer code that will be given a builder to transform.
* @return a new object based on calling build on that builder.
*/
public SchemaPrinterComparatorEnvironment transform(Consumer builderConsumer) {
Builder builder = newEnvironment(this);
builderConsumer.accept(builder);
return builder.build();
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
SchemaPrinterComparatorEnvironment that = (SchemaPrinterComparatorEnvironment) o;
if (parentType != null ? !parentType.equals(that.parentType) : that.parentType != null) {
return false;
}
return elementType.equals(that.elementType);
}
@Override
public int hashCode() {
int result = parentType != null ? parentType.hashCode() : 0;
result = 31 * result + elementType.hashCode();
return result;
}
public static Builder newEnvironment() {
return new Builder();
}
public static Builder newEnvironment(SchemaPrinterComparatorEnvironment existing) {
return new Builder(existing);
}
public static class Builder {
private Class parentType;
private Class elementType;
public Builder() {
}
public Builder(SchemaPrinterComparatorEnvironment existing) {
this.parentType = existing.parentType;
this.elementType = existing.elementType;
}
public Builder parentType(Class parentType) {
this.parentType = parentType;
return this;
}
public Builder elementType(Class elementType) {
this.elementType = elementType;
return this;
}
public SchemaPrinterComparatorEnvironment build() {
return new SchemaPrinterComparatorEnvironment(parentType, elementType);
}
}
}