guardrail/AbstractGuardrailExecutor.java

Abstract base for guardrail executors, providing common validation and observability logic.

// Source: https://github.com/langchain4j/langchain4j | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.
package dev.langchain4j.guardrail;

import static dev.langchain4j.internal.Exceptions.unwrapCompletionException;
import static dev.langchain4j.internal.ValidationUtils.ensureNotNull;

import dev.langchain4j.Internal;
import dev.langchain4j.guardrail.GuardrailResult.Failure;
import dev.langchain4j.guardrail.config.GuardrailsConfig;
import dev.langchain4j.internal.CancellationChain;
import dev.langchain4j.invocation.InvocationContext;
import dev.langchain4j.observability.api.event.GuardrailExecutedEvent;
import dev.langchain4j.observability.api.event.GuardrailExecutedEvent.Guardrail

... (truncated -- full source via MCP)