Coding test solution

configurationapp/.classpath

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

configurationapp/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>configurationapp</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+</projectDescription>

configurationapp/.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,4 @@
+eclipse.preferences.version=1
+encoding//src/main/java=UTF-8
+encoding//src/main/resources=UTF-8
+encoding/<project>=UTF-8

configurationapp/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,5 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.source=1.8

configurationapp/.settings/org.eclipse.m2e.core.prefs

@@ -0,0 +1,4 @@
+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1

configurationapp/pom.xml

@@ -39,6 +39,13 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+		<!-- https://mvnrepository.com/artifact/org.json/json -->
+		<dependency>
+		    <groupId>org.json</groupId>
+		    <artifactId>json</artifactId>
+		    <version>20180813</version>
+		</dependency>
+
     </dependencies>
 
     <build>

configurationapp/src/main/java/com/att/ConfigurationApp.java

@@ -2,8 +2,10 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.ComponentScan;
 
 @SpringBootApplication
+@ComponentScan("com.att")
 public class ConfigurationApp {
 
     public static void main(String[] args) {

configurationapp/src/main/java/com/att/dao/configurations/ConfigurationDao.java

@@ -1,6 +1,9 @@
 package com.att.dao.configurations;
 
 import com.att.data.configurations.ConfigValue;
+import com.att.model.configurations.Cache;
+
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import java.util.ArrayList;
@@ -10,7 +13,10 @@
 
 @Service
 public class ConfigurationDao {
+
     private class IdProvider {
+    	//@Autowired private Cache cache;
+
         private int currentId;
 
         public IdProvider() {
@@ -33,16 +39,34 @@ public ConfigurationDao() {
         currentConfigurations = new HashMap<>();
     }
 
-    public List<ConfigValue> getConfigurationsForYearMonth(String yearMonth) {
-        return new ArrayList<>();
+    public List<ConfigValue> getConfigurations(Cache cache, String yearMonth) {
+    	List<ConfigValue> configList = cache.getConfiguration(yearMonth);
+        return configList;
     }
 
-    public void addConfiguration(String yearMonth, ConfigValue value) {
-        int newId = idProvider.getNextId();
-
+    public Cache addConfiguration(Cache cache, ConfigValue config) {
+    	cache.addConfiguration(config);
+
+    	return cache;
+    }
+
+    public Cache deleteConfiguration(Cache cache, ConfigValue config) {
+    	List<ConfigValue> configList = cache.getConfiguration(config.getYearMonth());
+    	List<ConfigValue> deleteList = new ArrayList<ConfigValue>();
+
+    	for (int i=0; i<configList.size(); i++) {
+    		if (configList.get(i).getConfigId() == config.getConfigId()) {
+    			deleteList.add(configList.get(i));
+    		}
+    	}
+
+    	configList.removeAll(deleteList);
+
+    	return cache;
     }
 
-    public void removeAllConfigurationsForYearMonth(String yearMonth) {
-
+
+    public void deleteAllConfigurations(Cache cache, String yearMonth) {
+    	cache.removeConfiguration(yearMonth);
     }
 }

configurationapp/src/main/java/com/att/data/configurations/ConfigValue.java

@@ -4,19 +4,31 @@
  * Data Model
  */
 public class ConfigValue {
+	private String yearMonth;
     private String configName;
     private int configId;
 
-    public ConfigValue(String name, int id) {
-        this.configId = id;
-        this.configName = name;
-    }
 
     public ConfigValue() {
 
     }
-
-    public void setConfigName(String name) {
+
+     public ConfigValue(String yearMonth, String configName, int configId) {
+		super();
+		this.yearMonth = yearMonth;
+		this.configName = configName;
+		this.configId = configId;
+	}
+
+     public ConfigValue(String yearMonth, String configName, String configId) {
+		super();
+		this.yearMonth = yearMonth;
+		this.configName = configName;
+		this.configId = Integer.parseInt(configId);
+	}
+
+
+	public void setConfigName(String name) {
         this.configName = name;
     }
 
@@ -31,4 +43,14 @@ public void setConfigId(int id) {
     public int getConfigId() {
         return this.configId;
     }
+
+	public String getYearMonth() {
+		return yearMonth;
+	}
+
+	public void setYearMonth(String yearMonth) {
+		this.yearMonth = yearMonth;
+	}
+
+
 }

configurationapp/src/main/java/com/att/model/configurations/AjaxResponseBody.java

@@ -0,0 +1,19 @@
+package com.att.model.configurations;
+
+import java.util.List;
+
+public class AjaxResponseBody {
+
+    String data;
+
+	public String getData() {
+		return data;
+	}
+
+	public void setData(String data) {
+		this.data = data;
+	}
+
+
+
+}

configurationapp/src/main/java/com/att/model/configurations/Cache.java

@@ -0,0 +1,11 @@
+package com.att.model.configurations;
+
+import java.util.List;
+
+import com.att.data.configurations.ConfigValue;
+
+public interface Cache {
+	public void addConfiguration(  ConfigValue configuration);
+	public List<ConfigValue> getConfiguration(String yearMonth);
+	public void removeConfiguration(String yearMonth);
+}

configurationapp/src/main/java/com/att/model/configurations/CacheImpl.java

@@ -0,0 +1,40 @@
+package com.att.model.configurations;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.springframework.context.annotation.Scope;
+import org.springframework.stereotype.Component;
+
+import com.att.data.configurations.ConfigValue;
+
+@Component
+@Scope("session")
+public class CacheImpl implements Cache {
+	private Map<String, List<ConfigValue>> cache = new HashMap<String, List<ConfigValue>>();
+
+	public void addConfiguration( ConfigValue config) {
+		List<ConfigValue> configList = cache.get(config.getYearMonth());
+
+		if (configList == null) {
+			configList = new ArrayList<ConfigValue>();
+		}
+
+		config.setConfigId(configList.size() + 1);
+		configList.add(config);
+
+		cache.put(config.getYearMonth(), configList);
+
+	}
+
+	public List<ConfigValue> getConfiguration(String yearMonth) {
+		return cache.get(yearMonth);
+	}
+
+	public void removeConfiguration(String yearMonth) {
+		cache.remove(yearMonth);
+	}
+
+}

configurationapp/src/main/java/com/att/model/configurations/SearchCriteria.java

@@ -0,0 +1,17 @@
+package com.att.model.configurations;
+
+import org.hibernate.validator.constraints.NotBlank;
+
+public class SearchCriteria {
+
+    @NotBlank(message = "username can't empty!")
+    String username;
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+}