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    • graphql.execution.instrumentation.NoOpInstrumentation Maven / Gradle / Ivy

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    package graphql.execution.instrumentation;

import graphql.ExecutionResult;
import graphql.PublicApi;
import graphql.execution.ExecutionContext;
import graphql.execution.instrumentation.parameters.InstrumentationDataFetchParameters;
import graphql.execution.instrumentation.parameters.InstrumentationExecutionParameters;
import graphql.execution.instrumentation.parameters.InstrumentationExecutionStrategyParameters;
import graphql.execution.instrumentation.parameters.InstrumentationFieldCompleteParameters;
import graphql.execution.instrumentation.parameters.InstrumentationFieldFetchParameters;
import graphql.execution.instrumentation.parameters.InstrumentationFieldParameters;
import graphql.execution.instrumentation.parameters.InstrumentationValidationParameters;
import graphql.language.Document;
import graphql.language.Field;
import graphql.schema.DataFetcher;
import graphql.schema.GraphQLSchema;
import graphql.validation.ValidationError;

import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;

/**
 * An implementation of {@link graphql.execution.instrumentation.Instrumentation} that does nothing.  It can be used
 * as a base for derived classes where you only implement the methods you want to
 */
@PublicApi
public class NoOpInstrumentation implements Instrumentation {

    /**
     * A singleton instance of a {@link graphql.execution.instrumentation.Instrumentation} that does nothing
     */
    public static final NoOpInstrumentation INSTANCE = new NoOpInstrumentation();

    public NoOpInstrumentation() {
    }

    @Override
    public InstrumentationContext beginExecution(InstrumentationExecutionParameters parameters) {
        return new NoOpInstrumentationContext<>();
    }

    @Override
    public InstrumentationContext beginParse(InstrumentationExecutionParameters parameters) {
        return new NoOpInstrumentationContext<>();
    }

    @Override
    public InstrumentationContext> beginValidation(InstrumentationValidationParameters parameters) {
        return new NoOpInstrumentationContext<>();
    }

    @Override
    public InstrumentationContext> beginDataFetchDispatch(InstrumentationDataFetchParameters parameters) {
        return new NoOpInstrumentationContext<>();
    }

    @Override
    public InstrumentationContext> beginExecutionStrategy(InstrumentationExecutionStrategyParameters parameters) {
        return new NoOpInstrumentationContext<>();
    }

    @Override
    public InstrumentationContext beginDataFetch(InstrumentationDataFetchParameters parameters) {
        return new NoOpInstrumentationContext<>();
    }

    @Override
    public InstrumentationContext beginField(InstrumentationFieldParameters parameters) {
        return new NoOpInstrumentationContext<>();
    }

    @Override
    public InstrumentationContext beginFieldFetch(InstrumentationFieldFetchParameters parameters) {
        return new NoOpInstrumentationContext<>();
    }

    @Override
    public InstrumentationState createState() {
        return null;
    }

    @Override
    public InstrumentationContext> beginCompleteField(InstrumentationFieldCompleteParameters parameters) {
        return new NoOpInstrumentationContext<>();
    }

    @Override
    public InstrumentationContext>> beginFields(InstrumentationExecutionStrategyParameters parameters) {
        return new NoOpInstrumentationContext<>();
    }

    @Override
    public InstrumentationContext> beginCompleteFieldList(InstrumentationFieldCompleteParameters parameters) {
        return new NoOpInstrumentationContext<>();
    }

    @Override
    public GraphQLSchema instrumentSchema(GraphQLSchema schema, InstrumentationExecutionParameters parameters) {
        return schema;
    }

    @Override
    public ExecutionContext instrumentExecutionContext(ExecutionContext executionContext, InstrumentationExecutionParameters parameters) {
        return executionContext;
    }

    @Override
    public DataFetcher instrumentDataFetcher(DataFetcher dataFetcher, InstrumentationFieldFetchParameters parameters) {
        return dataFetcher;
    }

    @Override
    public CompletableFuture instrumentExecutionResult(ExecutionResult executionResult, InstrumentationExecutionParameters parameters) {
        return CompletableFuture.completedFuture(executionResult);
    }

    public static class NoOpInstrumentationContext implements InstrumentationContext {
        @Override
        public void onEnd(T result, Throwable t) {
        }
    }
}
    
    
    
    

    




    
    
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