public void setIntegrationEvaluationContext(EvaluationContext evaluationContext) {
		Assert.notNull(evaluationContext, "'evaluationContext' cannot be null");
		this.evaluationContext = evaluationContext;
		this.evalationContextSet = true;
	}
Abstract support class for authoring metrics oriented handlers. Provides support for
dynamically choosing the name of the counter to contribute to.

@author Eric Bottard
spring-xd-analytics/src/main/java/org/springframework/xd/analytics/metrics/integration/AbstractMetricHandler.java