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• jmxtrans-agent
• 1.2.7
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• ExpressionLanguageEngine.java

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org.jmxtrans.agent.ExpressionLanguageEngine Maven / Gradle / Ivy

package org.jmxtrans.agent;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.management.ObjectName;

/**
 * @author Cyrille Le Clerc
 */
public interface ExpressionLanguageEngine {
    /**
     * Replace all the '#' based keywords (e.g. #hostname#) by the value returned by the associated function.
     *
     * @param expression the expression to resolve (e.g. "servers.#hostname#.")
     * @return the resolved expression (e.g. "servers.tomcat5")
     */
    @Nonnull
    String resolveExpression(@Nonnull String expression);

    @Nonnull
    String resolveExpression(@Nonnull String expression, @Nonnull ObjectName exactObjectName, @Nullable String attribute, @Nullable String compositeDataKey, @Nullable Integer position);
}