package com.gemstone.gemfire.internal.logging.log4j;

import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.Marker;
import org.apache.logging.log4j.message.MessageFactory;
import org.apache.logging.log4j.spi.ExtendedLogger;
import org.apache.logging.log4j.spi.ExtendedLoggerWrapper;
import org.apache.logging.log4j.status.StatusLogger;

/**
 * Overrides is-enabled checks for log levels below INFO to avoid performance
 * penalties when the log level is INFO or above. If delegating is true
 * then it will always delegate to ExtendedLoggerWrapper for is-enabled checks.
 * 
 * @author Kirk Lund
 * @author David Hoots
 */
public class FastLogger extends ExtendedLoggerWrapper {
  private static final long serialVersionUID = 7084130827962463327L;

  private static volatile boolean delegating = true;
  
  public FastLogger(final Logger logger) {
    this((ExtendedLogger) logger, logger.getName(), logger.getMessageFactory());
  }

  public FastLogger(final ExtendedLogger logger, final String name, final MessageFactory messageFactory) {
    super(logger, name, messageFactory);
  }

  public static void setDelegating(final boolean newValue) {
    StatusLogger.getLogger().debug("Setting delegating to {}", newValue);
    delegating = newValue;
  }
  
  @Override
  public boolean isDebugEnabled() {
    return delegating && super.isDebugEnabled();
  }

  @Override
  public boolean isDebugEnabled(final Marker marker) {
    return delegating && super.isDebugEnabled(marker);
  }

  @Override
  public boolean isTraceEnabled() {
    return delegating && super.isTraceEnabled();
  }

  @Override
  public boolean isTraceEnabled(final Marker marker) {
    return delegating && super.isTraceEnabled(marker);
  }
  
  public boolean isDelegating() {
    return delegating;
  }
  
  public Logger getExtendedLogger() {
    return super.logger;
  }
}

package com.gemstone.gemfire.internal.logging.log4j;

import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.Marker;
import org.apache.logging.log4j.message.MessageFactory;
import org.apache.logging.log4j.spi.ExtendedLogger;
import org.apache.logging.log4j.spi.ExtendedLoggerWrapper;
import org.apache.logging.log4j.status.StatusLogger;

/**
 * Overrides is-enabled checks for log levels below INFO to avoid performance
 * penalties when the log level is INFO or above. If delegating is true
 * then it will always delegate to ExtendedLoggerWrapper for is-enabled checks.
 * 
 * @author Kirk Lund
 * @author David Hoots
 */
public class FastLogger extends ExtendedLoggerWrapper {
  private static final long serialVersionUID = 7084130827962463327L;

  private static volatile boolean delegating = true;
  
  public FastLogger(final Logger logger) {
    this((ExtendedLogger) logger, logger.getName(), logger.getMessageFactory());
  }

  public FastLogger(final ExtendedLogger logger, final String name, final MessageFactory messageFactory) {
    super(logger, name, messageFactory);
  }

  public static void setDelegating(final boolean newValue) {
    StatusLogger.getLogger().debug("Setting delegating to {}", newValue);
    delegating = newValue;
  }
  
  @Override
  public boolean isDebugEnabled() {
    return delegating && super.isDebugEnabled();
  }

  @Override
  public boolean isDebugEnabled(final Marker marker) {
    return delegating && super.isDebugEnabled(marker);
  }

  @Override
  public boolean isTraceEnabled() {
    return delegating && super.isTraceEnabled();
  }

  @Override
  public boolean isTraceEnabled(final Marker marker) {
    return delegating && super.isTraceEnabled(marker);
  }
  
  public boolean isDelegating() {
    return delegating;
  }
  
  public ExtendedLogger getExtendedLogger() {
    return super.logger;
  }
}

Fix return type of getExtendedLogger. The type is inferred correctly on 1.8 but not in 1.7. This change makes it correct under both versions of JDK.