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Stop creating NonNullableFieldValidator every for every object or list field by bbakerman · Pull Request #3929 · graphql-java/graphql-java · GitHub

/ graphql-java Public

Stop creating NonNullableFieldValidator every for every object or list field #3929

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Merged
dondonz merged 3 commits into from
May 15, 2025
Conversation 8 Commits 3 Checks 0 Files changed
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Stop creating NonNullableFieldValidator every for every object or list field #3929

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d472058
Stop creating NonNullableFieldValidator every for every object or lis…
bbakerman Apr 24, 2025
3685647
Merge remote-tracking branch 'origin/master' into dont-alllocate-NonN…
bbakerman May 15, 2025
80f4a3b
Merged in master
bbakerman May 15, 2025
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2 changes: 1 addition & 1 deletion src/main/java/graphql/execution/Execution.java
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Original file line number Diff line number Diff line change
Expand Up @@ -191,7 +191,7 @@ private CompletableFuture<ExecutionResult> executeOperation(ExecutionContext exe

ResultPath path = ResultPath.rootPath();
ExecutionStepInfo executionStepInfo = newExecutionStepInfo().type(operationRootType).path(path).build();
NonNullableFieldValidator nonNullableFieldValidator = new NonNullableFieldValidator(executionContext, executionStepInfo);
NonNullableFieldValidator nonNullableFieldValidator = new NonNullableFieldValidator(executionContext);

bbakerman Apr 24, 2025

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

No need for the executionStepInfo here. Its passed in during validate

So this instance gets used for the entirety of the operation

ExecutionStrategyParameters parameters = newParameters()
.executionStepInfo(executionStepInfo)
Expand Down
12 changes: 3 additions & 9 deletions src/main/java/graphql/execution/ExecutionStrategy.java
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Original file line number Diff line number Diff line change
Expand Up @@ -607,10 +607,7 @@ private FieldValueInfo completeField(GraphQLFieldDefinition fieldDef, ExecutionC
instrumentationParams, executionContext.getInstrumentationState()
));

NonNullableFieldValidator nonNullableFieldValidator = new NonNullableFieldValidator(executionContext, executionStepInfo);

bbakerman Apr 24, 2025

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

no need to recreate it

ExecutionStrategyParameters newParameters = parameters.transform(executionStepInfo,
nonNullableFieldValidator,
fetchedValue.getLocalContext(),
fetchedValue.getFetchedValue());

Expand Down Expand Up @@ -769,13 +766,12 @@ protected FieldValueInfo completeValueForList(ExecutionContext executionContext,

ExecutionStepInfo stepInfoForListElement = executionStepInfoFactory.newExecutionStepInfoForListElement(executionStepInfo, indexedPath);

NonNullableFieldValidator nonNullableFieldValidator = new NonNullableFieldValidator(executionContext, stepInfoForListElement);

bbakerman Apr 24, 2025

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

No need - same reason
FetchedValue value = unboxPossibleDataFetcherResult(executionContext, parameters, item);

ExecutionStrategyParameters newParameters = parameters.transform(stepInfoForListElement,
nonNullableFieldValidator, indexedPath,
value.getLocalContext(), value.getFetchedValue());
indexedPath,
value.getLocalContext(),
value.getFetchedValue());

fieldValueInfos.add(completeValue(executionContext, newParameters));
index++;
Expand Down Expand Up @@ -914,10 +910,8 @@ protected Object completeValueForObject(ExecutionContext executionContext, Execu
);

ExecutionStepInfo newExecutionStepInfo = executionStepInfo.changeTypeWithPreservedNonNull(resolvedObjectType);
NonNullableFieldValidator nonNullableFieldValidator = new NonNullableFieldValidator(executionContext, newExecutionStepInfo);

ExecutionStrategyParameters newParameters = parameters.transform(newExecutionStepInfo,
nonNullableFieldValidator,
subFields,
result);

Expand Down
5 changes: 1 addition & 4 deletions src/main/java/graphql/execution/ExecutionStrategyParameters.java
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ private ExecutionStrategyParameters(ExecutionStepInfo executionStepInfo,
this.localContext = localContext;
this.fields = assertNotNull(fields, () -> "fields is null");
this.source = source;
this.nonNullableFieldValidator = nonNullableFieldValidator;
this.nonNullableFieldValidator = assertNotNull(nonNullableFieldValidator, () -> "requires a NonNullValidator");;

bbakerman Apr 24, 2025

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

Just to be more specific - this helped find tests that "half create" objects for testing reasons
this.path = path;
this.currentField = currentField;
this.parent = parent;
Expand Down Expand Up @@ -132,7 +132,6 @@ ExecutionStrategyParameters transform(MergedField currentField,

@Internal
ExecutionStrategyParameters transform(ExecutionStepInfo executionStepInfo,
NonNullableFieldValidator nonNullableFieldValidator,
MergedSelectionSet fields,
Object source) {
return new ExecutionStrategyParameters(executionStepInfo,
Expand All @@ -148,7 +147,6 @@ ExecutionStrategyParameters transform(ExecutionStepInfo executionStepInfo,

@Internal
ExecutionStrategyParameters transform(ExecutionStepInfo executionStepInfo,
NonNullableFieldValidator nonNullableFieldValidator,
ResultPath path,
Object localContext,
Object source) {
Expand All @@ -165,7 +163,6 @@ ExecutionStrategyParameters transform(ExecutionStepInfo executionStepInfo,

@Internal
ExecutionStrategyParameters transform(ExecutionStepInfo executionStepInfo,
NonNullableFieldValidator nonNullableFieldValidator,
Object localContext,
Object source) {
return new ExecutionStrategyParameters(executionStepInfo,
Expand Down
7 changes: 3 additions & 4 deletions src/main/java/graphql/execution/NonNullableFieldValidator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -14,15 +14,13 @@
public class NonNullableFieldValidator {

private final ExecutionContext executionContext;
private final ExecutionStepInfo executionStepInfo;

public NonNullableFieldValidator(ExecutionContext executionContext, ExecutionStepInfo executionStepInfo) {
public NonNullableFieldValidator(ExecutionContext executionContext) {
this.executionContext = executionContext;
this.executionStepInfo = executionStepInfo;
}

/**
* Called to check that a value is non null if the type requires it to be non null
* Called to check that a value is non-null if the type requires it to be non null
*
* @param parameters the execution strategy parameters
* @param result the result to check
Expand All @@ -34,6 +32,7 @@ public NonNullableFieldValidator(ExecutionContext executionContext, ExecutionSte
*/
public <T> T validate(ExecutionStrategyParameters parameters, T result) throws NonNullableFieldWasNullException {
if (result == null) {
ExecutionStepInfo executionStepInfo = parameters.getExecutionStepInfo();
if (executionStepInfo.isNonNullType()) {
// see https://spec.graphql.org/October2021/#sec-Errors-and-Non-Nullability
//
Expand Down
10 changes: 6 additions & 4 deletions src/main/java/graphql/execution/SubscriptionExecutionStrategy.java
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Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,7 @@ private boolean keepOrdered(GraphQLContext graphQLContext) {
*/

private CompletableFuture<Publisher<Object>> createSourceEventStream(ExecutionContext executionContext, ExecutionStrategyParameters parameters) {
ExecutionStrategyParameters newParameters = firstFieldOfSubscriptionSelection(parameters);
ExecutionStrategyParameters newParameters = firstFieldOfSubscriptionSelection(executionContext,parameters);

CompletableFuture<FetchedValue> fieldFetched = Async.toCompletableFuture(fetchField(executionContext, newParameters));
return fieldFetched.thenApply(fetchedValue -> {
Expand Down Expand Up @@ -139,7 +139,7 @@ private CompletableFuture<ExecutionResult> executeSubscriptionEvent(ExecutionCon
.root(eventPayload)
.resetErrors()
);
ExecutionStrategyParameters newParameters = firstFieldOfSubscriptionSelection(parameters);
ExecutionStrategyParameters newParameters = firstFieldOfSubscriptionSelection(newExecutionContext, parameters);
ExecutionStepInfo subscribedFieldStepInfo = createSubscribedFieldStepInfo(executionContext, newParameters);

InstrumentationFieldParameters i13nFieldParameters = new InstrumentationFieldParameters(executionContext, () -> subscribedFieldStepInfo);
Expand Down Expand Up @@ -179,12 +179,14 @@ private String getRootFieldName(ExecutionStrategyParameters parameters) {
return rootField.getResultKey();
}

private ExecutionStrategyParameters firstFieldOfSubscriptionSelection(ExecutionStrategyParameters parameters) {
private ExecutionStrategyParameters firstFieldOfSubscriptionSelection(ExecutionContext executionContext, ExecutionStrategyParameters parameters) {
MergedSelectionSet fields = parameters.getFields();
MergedField firstField = fields.getSubField(fields.getKeys().get(0));

ResultPath fieldPath = parameters.getPath().segment(mkNameForPath(firstField.getSingleField()));
return parameters.transform(firstField,fieldPath);
NonNullableFieldValidator nonNullableFieldValidator = new NonNullableFieldValidator(executionContext);
return parameters.transform(builder -> builder
.field(firstField).path(fieldPath).nonNullFieldValidator(nonNullableFieldValidator));
}

private ExecutionStepInfo createSubscribedFieldStepInfo(ExecutionContext executionContext, ExecutionStrategyParameters parameters) {
Expand Down
5 changes: 5 additions & 0 deletions src/test/groovy/graphql/execution/AsyncExecutionStrategyTest.groovy
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,7 @@ abstract class AsyncExecutionStrategyTest extends Specification {
.newParameters()
.executionStepInfo(typeInfo)
.fields(mergedSelectionSet(['hello': mergedField([Field.newField('hello').build()]), 'hello2': mergedField([Field.newField('hello2').build()])]))
.nonNullFieldValidator(new NonNullableFieldValidator(executionContext))

bbakerman Apr 24, 2025

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

The rest of the changes are test fixups where they half create support objects with just enough brains to work
.build()

AsyncExecutionStrategy asyncExecutionStrategy = new AsyncExecutionStrategy()
Expand Down Expand Up @@ -160,6 +161,7 @@ abstract class AsyncExecutionStrategyTest extends Specification {
.newParameters()
.executionStepInfo(typeInfo)
.fields(mergedSelectionSet(['hello': mergedField([Field.newField('hello').build()]), 'hello2': mergedField([Field.newField('hello2').build()])]))
.nonNullFieldValidator(new NonNullableFieldValidator(executionContext))
.build()

AsyncExecutionStrategy asyncExecutionStrategy = new AsyncExecutionStrategy()
Expand Down Expand Up @@ -205,6 +207,7 @@ abstract class AsyncExecutionStrategyTest extends Specification {
.newParameters()
.executionStepInfo(typeInfo)
.fields(mergedSelectionSet(['hello': mergedField([Field.newField('hello').build()]), 'hello2': mergedField([Field.newField('hello2').build()])]))
.nonNullFieldValidator(new NonNullableFieldValidator(executionContext))
.build()

AsyncExecutionStrategy asyncExecutionStrategy = new AsyncExecutionStrategy()
Expand Down Expand Up @@ -249,6 +252,7 @@ abstract class AsyncExecutionStrategyTest extends Specification {
.newParameters()
.executionStepInfo(typeInfo)
.fields(mergedSelectionSet(['hello': mergedField([Field.newField('hello').build()]), 'hello2': mergedField([Field.newField('hello2').build()])]))
.nonNullFieldValidator(new NonNullableFieldValidator(executionContext))
.build()

AsyncExecutionStrategy asyncExecutionStrategy = new AsyncExecutionStrategy()
Expand Down Expand Up @@ -312,6 +316,7 @@ abstract class AsyncExecutionStrategyTest extends Specification {
.newParameters()
.executionStepInfo(typeInfo)
.fields(mergedSelectionSet(['hello': mergedField([new Field('hello')]), 'hello2': mergedField([new Field('hello2')])]))
.nonNullFieldValidator(new NonNullableFieldValidator(executionContext))
.build()

AsyncExecutionStrategy asyncExecutionStrategy = new AsyncExecutionStrategy()
Expand Down
2 changes: 2 additions & 0 deletions src/test/groovy/graphql/execution/AsyncSerialExecutionStrategyTest.groovy
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Expand Up @@ -115,6 +115,7 @@ class AsyncSerialExecutionStrategyTest extends Specification {
.newParameters()
.executionStepInfo(typeInfo)
.fields(mergedSelectionSet(['hello': mergedField(new Field('hello')), 'hello2': mergedField(new Field('hello2')), 'hello3': mergedField(new Field('hello3'))]))
.nonNullFieldValidator(new NonNullableFieldValidator(executionContext))
.build()

AsyncSerialExecutionStrategy strategy = new AsyncSerialExecutionStrategy()
Expand Down Expand Up @@ -163,6 +164,7 @@ class AsyncSerialExecutionStrategyTest extends Specification {
.newParameters()
.executionStepInfo(typeInfo)
.fields(mergedSelectionSet(['hello': mergedField(new Field('hello')), 'hello2': mergedField(new Field('hello2')), 'hello3': mergedField(new Field('hello3'))]))
.nonNullFieldValidator(new NonNullableFieldValidator(executionContext))
.build()

AsyncSerialExecutionStrategy strategy = new AsyncSerialExecutionStrategy()
Expand Down
2 changes: 2 additions & 0 deletions src/test/groovy/graphql/execution/ExecutionStrategyParametersTest.groovy
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Original file line number Diff line number Diff line change
Expand Up @@ -12,10 +12,12 @@ class ExecutionStrategyParametersTest extends Specification {

def "ExecutionParameters can be transformed"() {
given:
def executionContext = Mock(ExecutionContext)
def parameters = newParameters()
.executionStepInfo(newExecutionStepInfo().type(GraphQLString))
.source(new Object())
.localContext("localContext")
.nonNullFieldValidator(new NonNullableFieldValidator(executionContext))
.fields(mergedSelectionSet("a": []))
.build()

Expand Down
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