graphql.execution.preparsed.PreparsedDocumentProvider Maven / Gradle / Ivy
package graphql.execution.preparsed;
import graphql.ExecutionInput;
import graphql.PublicSpi;
import java.util.concurrent.CompletableFuture;
import java.util.function.Function;
/**
* Interface that allows clients to hook in Document caching and/or the whitelisting of queries.
*/
@PublicSpi
public interface PreparsedDocumentProvider {
/**
* This is called to get a "cached" pre-parsed query and if it's not present, then the "parseAndValidateFunction"
* can be called to parse and validate the query.
*
* Note - the "parseAndValidateFunction" MUST be called if you don't have a per parsed version of the query because it not only parses
* and validates the query, it invokes {@link graphql.execution.instrumentation.Instrumentation} calls as well for parsing and validation.
* if you don't make a call back on this then these won't happen.
*
* @param executionInput The {@link graphql.ExecutionInput} containing the query
* @param parseAndValidateFunction If the query has not be pre-parsed, this function MUST be called to parse and validate it
* @return a promise to an {@link PreparsedDocumentEntry}
*/
CompletableFuture getDocumentAsync(ExecutionInput executionInput, Function parseAndValidateFunction);
}