Fix variable names following recent rename

spring-graphql/src/main/java/org/springframework/graphql/data/GraphQlArgumentBinder.java

@@ -48,11 +48,11 @@ import org.springframework.validation.FieldError;
 
 
 /**
- * Bind a GraphQL argument values to higher level objects.
+ * Bind a GraphQL argument, or the full arguments map, onto a target object.
  *
  * <p>Binding is performed by mapping argument values to a primary data
- * constructor of the target Object, or by using a default constructor
- * and mapping argument values to properties. This is applied recursively.
+ * constructor of the target object, or by using a default constructor and
+ * mapping argument values to its properties. This is applied recursively.
  *
  * @author Brian Clozel
  * @author Rossen Stoyanchev
@@ -93,9 +93,9 @@ public class GraphQlArgumentBinder {
 
 
 	/**
-	 * Bind a single argument or the full arguments map onto an object of the
+	 * Bind a single argument, or the full arguments map, onto an object of the
 	 * given target type.
-	 * @param environment to obtain the argument value(s) from
+	 * @param environment for access to the arguments
 	 * @param argumentName the name of the argument to bind, or {@code null} to
 	 * use the full arguments map
 	 * @param targetType the type of Object to create
@@ -103,8 +103,8 @@ public class GraphQlArgumentBinder {
 	 * @throws BindException in case of binding issues such as conversion errors,
 	 * mismatches between the source and the target object structure, and so on.
 	 * Binding issues are accumulated as {@link BindException#getFieldErrors()
-	 * field errors} where the {@code field} of each error is the argument path
-	 * where the issue occurred.
+	 * field errors} where the {@link FieldError#getField() field} of each error
+	 * is the argument path where the issue occurred.
 	 */
 	@Nullable
 	@SuppressWarnings("unchecked")

spring-graphql/src/main/java/org/springframework/graphql/data/method/annotation/support/AnnotatedControllerConfigurer.java

@@ -159,9 +159,9 @@ public class AnnotatedControllerConfigurer
 			this.argumentResolvers.addResolver(new ProjectedPayloadMethodArgumentResolver(obtainApplicationContext()));
 		}
 		this.argumentResolvers.addResolver(new ArgumentMapMethodArgumentResolver());
-		GraphQlArgumentBinder initializer = new GraphQlArgumentBinder(this.conversionService);
-		this.argumentResolvers.addResolver(new ArgumentMethodArgumentResolver(initializer));
-		this.argumentResolvers.addResolver(new ArgumentsMethodArgumentResolver(initializer));
+		GraphQlArgumentBinder argumentBinder = new GraphQlArgumentBinder(this.conversionService);
+		this.argumentResolvers.addResolver(new ArgumentMethodArgumentResolver(argumentBinder));
+		this.argumentResolvers.addResolver(new ArgumentsMethodArgumentResolver(argumentBinder));
 		this.argumentResolvers.addResolver(new ContextValueMethodArgumentResolver());
 
 		// Type based

spring-graphql/src/main/java/org/springframework/graphql/data/method/annotation/support/ArgumentMethodArgumentResolver.java

@@ -37,12 +37,12 @@ import org.springframework.util.StringUtils;
  */
 public class ArgumentMethodArgumentResolver implements HandlerMethodArgumentResolver {
 
-	private final GraphQlArgumentBinder argumentInitializer;
+	private final GraphQlArgumentBinder argumentBinder;
 
 
-	public ArgumentMethodArgumentResolver(GraphQlArgumentBinder initializer) {
-		Assert.notNull(initializer, "GraphQlArgumentInitializer is required");
-		this.argumentInitializer = initializer;
+	public ArgumentMethodArgumentResolver(GraphQlArgumentBinder argumentBinder) {
+		Assert.notNull(argumentBinder, "GraphQlArgumentBinder is required");
+		this.argumentBinder = argumentBinder;
 	}
 
 
@@ -55,7 +55,7 @@ public class ArgumentMethodArgumentResolver implements HandlerMethodArgumentReso
 	public Object resolveArgument(MethodParameter parameter, DataFetchingEnvironment environment) throws Exception {
 		String name = getArgumentName(parameter);
 		ResolvableType resolvableType = ResolvableType.forMethodParameter(parameter);
-		return this.argumentInitializer.bind(environment, name, resolvableType);
+		return this.argumentBinder.bind(environment, name, resolvableType);
 	}
 
 	static String getArgumentName(MethodParameter parameter) {

spring-graphql/src/main/java/org/springframework/graphql/data/method/annotation/support/ArgumentsMethodArgumentResolver.java

@@ -34,12 +34,12 @@ import org.springframework.util.Assert;
  */
 public class ArgumentsMethodArgumentResolver implements HandlerMethodArgumentResolver {
 
-	private final GraphQlArgumentBinder argumentInitializer;
+	private final GraphQlArgumentBinder argumentBinder;
 
 
-	public ArgumentsMethodArgumentResolver(GraphQlArgumentBinder initializer) {
-		Assert.notNull(initializer, "GraphQlArgumentInitializer is required");
-		this.argumentInitializer = initializer;
+	public ArgumentsMethodArgumentResolver(GraphQlArgumentBinder argumentBinder) {
+		Assert.notNull(argumentBinder, "GraphQlArgumentBinder is required");
+		this.argumentBinder = argumentBinder;
 	}
 
 
@@ -51,7 +51,7 @@ public class ArgumentsMethodArgumentResolver implements HandlerMethodArgumentRes
 	@Override
 	public Object resolveArgument(MethodParameter parameter, DataFetchingEnvironment environment) throws Exception {
 		ResolvableType resolvableType = ResolvableType.forMethodParameter(parameter);
-		return this.argumentInitializer.bind(environment, null, resolvableType);
+		return this.argumentBinder.bind(environment, null, resolvableType);
 	}
 
 }

spring-graphql/src/main/java/org/springframework/graphql/data/query/QueryByExampleDataFetcher.java

@@ -92,12 +92,12 @@ public abstract class QueryByExampleDataFetcher<T> {
 
 	private final TypeInformation<T> domainType;
 
-	private final GraphQlArgumentBinder argumentInitializer;
+	private final GraphQlArgumentBinder argumentBinder;
 
 
 	QueryByExampleDataFetcher(TypeInformation<T> domainType) {
 		this.domainType = domainType;
-		this.argumentInitializer = new GraphQlArgumentBinder();
+		this.argumentBinder = new GraphQlArgumentBinder();
 	}
 
 
@@ -109,7 +109,7 @@ public abstract class QueryByExampleDataFetcher<T> {
 	@SuppressWarnings({"ConstantConditions", "unchecked"})
 	protected Example<T> buildExample(DataFetchingEnvironment env) throws BindException {
 		ResolvableType targetType = ResolvableType.forClass(this.domainType.getType());
-		return (Example<T>) Example.of(this.argumentInitializer.bind(env, null, targetType));
+		return (Example<T>) Example.of(this.argumentBinder.bind(env, null, targetType));
 	}
 
 	protected boolean requiresProjection(Class<?> resultType) {

spring-graphql/src/test/java/org/springframework/graphql/data/method/annotation/support/GraphQlArgumentBinderTests.java

@@ -45,7 +45,8 @@ class GraphQlArgumentBinderTests {
 
 	private final ObjectMapper mapper = new ObjectMapper();
 
-	private final ThreadLocal<GraphQlArgumentBinder> initializer = ThreadLocal.withInitial(() -> new GraphQlArgumentBinder(null));
+	private final ThreadLocal<GraphQlArgumentBinder> initializer =
+			ThreadLocal.withInitial(() -> new GraphQlArgumentBinder(null));
 
 
 	@Test