Adding throttling pattern

throttling/src/main/java/com/iluwatar/tls/Tenant.java

@@ -0,0 +1,42 @@
+package com.iluwatar.tls;
+
+import java.security.InvalidParameterException;
+
+/**
+ * A Pojo class to create a basic Tenant with the allowed calls per second.
+ */
+public class Tenant {
+
+  private String name;
+  private int allowedCallsPerSecond;
+
+  /**
+   *
+   * @param name Name of the tenant
+   * @param allowedCallsPerSecond The number of calls allowed for a particular tenant.
+   * @throws InvalidParameterException If number of calls is less than 0, throws exception.
+   */
+  public Tenant(String name, int allowedCallsPerSecond) {
+    if (allowedCallsPerSecond < 0) {
+      throw new InvalidParameterException("Number of calls less than 0 not allowed");
+    }
+    this.name = name;
+    this.allowedCallsPerSecond = allowedCallsPerSecond;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public int getAllowedCallsPerSecond() {
+    return allowedCallsPerSecond;
+  }
+
+  public void setAllowedCallsPerSecond(int allowedCallsPerSecond) {
+    this.allowedCallsPerSecond = allowedCallsPerSecond;
+  }
+}