Polish for enabling Function Executions to return results from all servers.

Resolves gh-37.

spring-data-geode/src/main/java/org/springframework/data/gemfire/function/ExecutionTimeoutFunctionException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2021 the original author or authors.
+ * Copyright 2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-data-geode/src/main/java/org/springframework/data/gemfire/function/UncategorizedFunctionException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2021 the original author or authors.
+ * Copyright 2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-data-geode/src/main/java/org/springframework/data/gemfire/function/execution/AbstractFunctionExecution.java

@@ -1,5 +1,9 @@
 /*
+<<<<<<< HEAD
  * Copyright 2020-2021 the original author or authors.
+=======
+ * Copyright 2020 the original author or authors.
+>>>>>>> 9eae72c6a... DATAGEODE-295 - Polish.
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
@@ -40,14 +44,11 @@ import org.slf4j.LoggerFactory;
  * @author David Turanski
  * @author John Blum
  * @author Patrick Johnson
-<<<<<<< HEAD
  * @see java.util.concurrent.TimeUnit
  * @see org.apache.geode.cache.execute.Execution
  * @see org.apache.geode.cache.execute.Function
  * @see org.apache.geode.cache.execute.FunctionService
  * @see org.apache.geode.cache.execute.ResultCollector
-=======
->>>>>>> ae69760bf... DATAGEODE-295 - Functions return results from all servers.
  */
 @SuppressWarnings("unused")
 abstract class AbstractFunctionExecution {

spring-data-geode/src/main/java/org/springframework/data/gemfire/function/execution/GemfireFunctionProxyFactoryBean.java

@@ -122,7 +122,9 @@ public class GemfireFunctionProxyFactoryBean extends AbstractFactoryBeanSupport<
 
 		GemfireFunctionOperations template = getGemfireFunctionOperations();
 
-		String functionId = getFunctionExecutionMethodMetadata().getMethodMetadata(method).getFunctionId();
+		String functionId = getFunctionExecutionMethodMetadata()
+			.getMethodMetadata(method)
+			.getFunctionId();
 
 		return isFunctionExecutionForAllServers(method)
 			? template.execute(functionId, args)

spring-data-geode/src/main/java/org/springframework/data/gemfire/function/execution/OnRegionFunctionExecution.java

@@ -19,9 +19,8 @@ import org.apache.geode.cache.execute.Execution;
 import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionService;
 
-import org.apache.shiro.util.Assert;
-
-import org.springframework.util.CollectionUtils;
+import org.springframework.data.gemfire.util.CollectionUtils;
+import org.springframework.util.Assert;
 
 /**
  * Creates an {@literal OnRegion} {@link Function} {@link Execution} initialized with a {@link Region}

spring-data-geode/src/test/java/org/springframework/data/gemfire/function/execution/onservers/FunctionsReturnResultsFromAllServersIntegrationTests.java

@@ -113,7 +113,6 @@ public class FunctionsReturnResultsFromAllServersIntegrationTests extends Client
 		private static final int DEFAULT_CACHE_SERVER_PORT = 40404;
 
 		private static final String CACHE_SERVER_PORT_PROPERTY = "spring.data.gemfire.cache.server.port";
-		private static final String GEMFIRE_LOG_LEVEL = "error";
 		private static final String GEMFIRE_NAME = "MetricsServer" + getCacheServerPort();
 
 		public static void main(String[] args) throws Exception {
@@ -124,7 +123,6 @@ public class FunctionsReturnResultsFromAllServersIntegrationTests extends Client
 
 			return new CacheFactory()
 					.set("name", GEMFIRE_NAME)
-					.set("log-level", GEMFIRE_LOG_LEVEL)
 					.create();
 		}
 

spring-data-geode/src/test/java/org/springframework/data/gemfire/function/execution/onservers/Metric.java

@@ -18,23 +18,24 @@ package org.springframework.data.gemfire.function.execution.onservers;
 
 import java.io.Serializable;
 
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.ToString;
+
 /**
  * @author Patrick Johnson
  */
+@Getter
+@ToString
+@AllArgsConstructor
 public class Metric implements Serializable {
 
-	private String name;
+	private final String name;
 
-	private Number value;
+	private final Number value;
 
-	private String category;
+	private final String category;
 
-	private String type;
+	private final String type;
 
-	public Metric(String name, Number value, String category, String type) {
-		this.name = name;
-		this.value = value;
-		this.category = category;
-		this.type = type;
-	}
 }

spring-data-geode/src/test/java/org/springframework/data/gemfire/util/SpringUtilsUnitTests.java

@@ -61,6 +61,7 @@ import org.springframework.data.gemfire.util.SpringUtils.ValueReturningThrowable
  *
  * @author John Blum
  * @see java.util.function.Function
+ * @see java.util.function.Supplier
  * @see org.junit.Test
  * @see org.mockito.Mock
  * @see org.mockito.Mockito