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-rw-r--r--common/onap-common-configuration-management/onap-configuration-management-api/pom.xml15
-rw-r--r--common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/Config.java21
-rw-r--r--common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/Configuration.java831
-rw-r--r--common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/ConfigurationChangeListener.java14
-rw-r--r--common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/ConfigurationManager.java98
-rw-r--r--common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/DynamicConfiguration.java146
-rw-r--r--common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/Hint.java18
7 files changed, 1143 insertions, 0 deletions
diff --git a/common/onap-common-configuration-management/onap-configuration-management-api/pom.xml b/common/onap-common-configuration-management/onap-configuration-management-api/pom.xml
new file mode 100644
index 0000000000..df2b77ba14
--- /dev/null
+++ b/common/onap-common-configuration-management/onap-configuration-management-api/pom.xml
@@ -0,0 +1,15 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <name>onap-configuration-management-api</name>
+ <artifactId>onap-configuration-management-api</artifactId>
+
+ <parent>
+ <artifactId>onap-common-configuration-management</artifactId>
+ <groupId>org.onap.sdc.common</groupId>
+ <version>1.2.0-SNAPSHOT</version>
+ <relativePath>..</relativePath>
+ </parent>
+
+</project>
diff --git a/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/Config.java b/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/Config.java
new file mode 100644
index 0000000000..b4cd68df5d
--- /dev/null
+++ b/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/Config.java
@@ -0,0 +1,21 @@
+package org.onap.config.api;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * The interface Config.
+ */
+@Target({ElementType.TYPE, ElementType.FIELD})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Config {
+
+ /**
+ * Key string.
+ *
+ * @return the string
+ */
+ String key() default "";
+}
diff --git a/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/Configuration.java b/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/Configuration.java
new file mode 100644
index 0000000000..58eedd7575
--- /dev/null
+++ b/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/Configuration.java
@@ -0,0 +1,831 @@
+package org.onap.config.api;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * The interface Configuration.
+ */
+public interface Configuration {
+ /**
+ * The constant tenant.
+ */
+ public static ThreadLocal<String> tenant = new ThreadLocal<>();
+
+ /**
+ * Sets tenant id.
+ *
+ * @param id the id
+ */
+ public static void setTenantId(String id) {
+ if (id != null && id.trim().length() > 0) {
+ tenant.set(id);
+ }
+ }
+
+ /**
+ * Gets as string.
+ *
+ * @param key the key
+ * @return the as string
+ */
+ public default String getAsString(String key) {
+ return getAsString(null, key);
+ }
+
+ /**
+ * Gets as string.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as string
+ */
+ public default String getAsString(String namespace, String key) {
+ return getAsString(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as string.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as string
+ */
+ public default String getAsString(String tenantId, String namespace, String key) {
+ return get(tenantId, namespace, key, String.class);
+ }
+
+ /**
+ * Gets as byte value.
+ *
+ * @param key the key
+ * @return the as byte value
+ */
+ public default Byte getAsByteValue(String key) {
+ return getAsByteValue(null, key);
+ }
+
+ /**
+ * Gets as byte value.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as byte value
+ */
+ public default Byte getAsByteValue(String namespace, String key) {
+ return getAsByteValue(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as byte value.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as byte value
+ */
+ public default Byte getAsByteValue(String tenantId, String namespace, String key) {
+ return get(tenantId, namespace, key, Byte.class);
+ }
+
+ /**
+ * Gets as short value.
+ *
+ * @param key the key
+ * @return the as short value
+ */
+ public default Short getAsShortValue(String key) {
+ return getAsShortValue(null, key);
+ }
+
+ /**
+ * Gets as short value.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as short value
+ */
+ public default Short getAsShortValue(String namespace, String key) {
+ return getAsShortValue(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as short value.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as short value
+ */
+ public default Short getAsShortValue(String tenantId, String namespace, String key) {
+ return get(tenantId, namespace, key, Short.class);
+ }
+
+ /**
+ * Gets as integer value.
+ *
+ * @param key the key
+ * @return the as integer value
+ */
+ public default Integer getAsIntegerValue(String key) {
+ return getAsIntegerValue(null, key);
+ }
+
+ /**
+ * Gets as integer value.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as integer value
+ */
+ public default Integer getAsIntegerValue(String namespace, String key) {
+ return getAsIntegerValue(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as integer value.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as integer value
+ */
+ public default Integer getAsIntegerValue(String tenantId, String namespace, String key) {
+ return get(tenantId, namespace, key, Integer.class);
+ }
+
+ /**
+ * Gets as long value.
+ *
+ * @param key the key
+ * @return the as long value
+ */
+ public default Long getAsLongValue(String key) {
+ return getAsLongValue(null, key);
+ }
+
+ /**
+ * Gets as long value.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as long value
+ */
+ public default Long getAsLongValue(String namespace, String key) {
+ return getAsLongValue(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as long value.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as long value
+ */
+ public default Long getAsLongValue(String tenantId, String namespace, String key) {
+ return get(tenantId, namespace, key, Long.class);
+ }
+
+ /**
+ * Gets as float value.
+ *
+ * @param key the key
+ * @return the as float value
+ */
+ public default Float getAsFloatValue(String key) {
+ return getAsFloatValue(null, key);
+ }
+
+ /**
+ * Gets as float value.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as float value
+ */
+ public default Float getAsFloatValue(String namespace, String key) {
+ return getAsFloatValue(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as float value.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as float value
+ */
+ public default Float getAsFloatValue(String tenantId, String namespace, String key) {
+ return get(tenantId, namespace, key, Float.class);
+ }
+
+ /**
+ * Gets as double value.
+ *
+ * @param key the key
+ * @return the as double value
+ */
+ public default Double getAsDoubleValue(String key) {
+ return getAsDoubleValue(null, key);
+ }
+
+ /**
+ * Gets as double value.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as double value
+ */
+ public default Double getAsDoubleValue(String namespace, String key) {
+ return getAsDoubleValue(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as double value.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as double value
+ */
+ public default Double getAsDoubleValue(String tenantId, String namespace, String key) {
+ return get(tenantId, namespace, key, Double.class);
+ }
+
+ /**
+ * Gets as boolean value.
+ *
+ * @param key the key
+ * @return the as boolean value
+ */
+ public default Boolean getAsBooleanValue(String key) {
+ return getAsBooleanValue(null, key);
+ }
+
+ /**
+ * Gets as boolean value.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as boolean value
+ */
+ public default Boolean getAsBooleanValue(String namespace, String key) {
+ return getAsBooleanValue(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as boolean value.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as boolean value
+ */
+ public default Boolean getAsBooleanValue(String tenantId, String namespace, String key) {
+ return get(tenantId, namespace, key, Boolean.class);
+ }
+
+ /**
+ * Gets as char value.
+ *
+ * @param key the key
+ * @return the as char value
+ */
+ public default Character getAsCharValue(String key) {
+ return getAsCharValue(null, key);
+ }
+
+ /**
+ * Gets as char value.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as char value
+ */
+ public default Character getAsCharValue(String namespace, String key) {
+ return getAsCharValue(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as char value.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as char value
+ */
+ public default Character getAsCharValue(String tenantId, String namespace, String key) {
+ return get(tenantId, namespace, key, Character.class);
+ }
+
+ /**
+ * Populate configuration t.
+ *
+ * @param <T> the type parameter
+ * @param clazz the clazz
+ * @return the t
+ */
+ public default <T> T populateConfiguration(Class<T> clazz) {
+ return populateConfiguration(null, clazz);
+ }
+
+ /**
+ * Populate configuration t.
+ *
+ * @param <T> the type parameter
+ * @param namespace the namespace
+ * @param clazz the clazz
+ * @return the t
+ */
+ public default <T> T populateConfiguration(String namespace, Class<T> clazz) {
+ return populateConfiguration(tenant.get(), namespace, clazz);
+ }
+
+ /**
+ * Populate configuration t.
+ *
+ * @param <T> the type parameter
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param clazz the clazz
+ * @return the t
+ */
+ public default <T> T populateConfiguration(String tenantId, String namespace, Class<T> clazz) {
+ return get(tenantId, namespace, null, clazz, Hint.EXTERNAL_LOOKUP);
+ }
+
+ /**
+ * Gets dynamic configuration.
+ *
+ * @param <T> the type parameter
+ * @param key the key
+ * @param clazz the clazz
+ * @param defaultValue the default value
+ * @return the dynamic configuration
+ */
+ public default <T> DynamicConfiguration<T> getDynamicConfiguration(String key, Class<T> clazz,
+ T defaultValue) {
+ return getDynamicConfiguration(null, key, clazz, defaultValue);
+ }
+
+ /**
+ * Gets dynamic configuration.
+ *
+ * @param <T> the type parameter
+ * @param namespace the namespace
+ * @param key the key
+ * @param clazz the clazz
+ * @param defaultValue the default value
+ * @return the dynamic configuration
+ */
+ public default <T> DynamicConfiguration<T> getDynamicConfiguration(String namespace, String key,
+ Class<T> clazz,
+ T defaultValue) {
+ return getDynamicConfiguration(tenant.get(), namespace, key, clazz, defaultValue);
+ }
+
+ /**
+ * Gets dynamic configuration.
+ *
+ * @param <T> the type parameter
+ * @param tenant the tenant
+ * @param namespace the namespace
+ * @param key the key
+ * @param clazz the clazz
+ * @param defaultValue the default value
+ * @return the dynamic configuration
+ */
+ public default <T> DynamicConfiguration<T> getDynamicConfiguration(String tenant,
+ String namespace, String key,
+ Class<T> clazz,
+ T defaultValue) {
+ return DynamicConfiguration
+ .getDynamicConfiguration(tenant, namespace, key, clazz, defaultValue, this);
+ }
+
+ /**
+ * Gets dynamic configuration values.
+ *
+ * @param <T> the type parameter
+ * @param key the key
+ * @param clazz the clazz
+ * @param defaultValue the default value
+ * @return the dynamic configuration values
+ */
+ public default <T> DynamicConfiguration<List<T>> getDynamicConfigurationValues(String key,
+ Class<T> clazz,
+ T defaultValue) {
+ return getDynamicConfigurationValues(null, key, clazz, defaultValue);
+ }
+
+ /**
+ * Gets dynamic configuration values.
+ *
+ * @param <T> the type parameter
+ * @param namespace the namespace
+ * @param key the key
+ * @param clazz the clazz
+ * @param defaultValue the default value
+ * @return the dynamic configuration values
+ */
+ public default <T> DynamicConfiguration<List<T>> getDynamicConfigurationValues(String namespace,
+ String key,
+ Class<T> clazz,
+ T defaultValue) {
+ return getDynamicConfigurationValues(tenant.get(), namespace, key, clazz, defaultValue);
+ }
+
+ /**
+ * Gets dynamic configuration values.
+ *
+ * @param <T> the type parameter
+ * @param tenant the tenant
+ * @param namespace the namespace
+ * @param key the key
+ * @param clazz the clazz
+ * @param defaultValue the default value
+ * @return the dynamic configuration values
+ */
+ public default <T> DynamicConfiguration<List<T>> getDynamicConfigurationValues(String tenant,
+ String namespace,
+ String key,
+ Class<T> clazz,
+ T defaultValue) {
+ return DynamicConfiguration
+ .getDynConfiguration(tenant, namespace, key, clazz, defaultValue, this);
+ }
+
+ /**
+ * Gets as string values.
+ *
+ * @param key the key
+ * @return the as string values
+ */
+ public default List<String> getAsStringValues(String key) {
+ return getAsStringValues(null, key);
+ }
+
+ /**
+ * Gets as string values.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as string values
+ */
+ public default List<String> getAsStringValues(String namespace, String key) {
+ return getAsStringValues(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as string values.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as string values
+ */
+ public default List<String> getAsStringValues(String tenantId, String namespace, String key) {
+ String[] tempArray = get(tenantId, namespace, key, String[].class);
+ return tempArray == null ? Arrays.asList() : Arrays.asList(tempArray);
+ }
+
+ /**
+ * Gets as byte values.
+ *
+ * @param key the key
+ * @return the as byte values
+ */
+ public default List<Byte> getAsByteValues(String key) {
+ return getAsByteValues(null, key);
+ }
+
+ /**
+ * Gets as byte values.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as byte values
+ */
+ public default List<Byte> getAsByteValues(String namespace, String key) {
+ return getAsByteValues(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as byte values.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as byte values
+ */
+ public default List<Byte> getAsByteValues(String tenantId, String namespace, String key) {
+ Byte[] tempArray = get(tenantId, namespace, key, Byte[].class);
+ return tempArray == null ? Arrays.asList() : Arrays.asList(tempArray);
+ }
+
+ /**
+ * Gets as short values.
+ *
+ * @param key the key
+ * @return the as short values
+ */
+ public default List<Short> getAsShortValues(String key) {
+ return getAsShortValues(null, key);
+ }
+
+ /**
+ * Gets as short values.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as short values
+ */
+ public default List<Short> getAsShortValues(String namespace, String key) {
+ return getAsShortValues(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as short values.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as short values
+ */
+ public default List<Short> getAsShortValues(String tenantId, String namespace, String key) {
+ Short[] tempArray = get(tenantId, namespace, key, Short[].class);
+ return tempArray == null ? Arrays.asList() : Arrays.asList(tempArray);
+ }
+
+ /**
+ * Gets as integer values.
+ *
+ * @param key the key
+ * @return the as integer values
+ */
+ public default List<Integer> getAsIntegerValues(String key) {
+ return getAsIntegerValues(null, key);
+ }
+
+ /**
+ * Gets as integer values.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as integer values
+ */
+ public default List<Integer> getAsIntegerValues(String namespace, String key) {
+ return getAsIntegerValues(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as integer values.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as integer values
+ */
+ public default List<Integer> getAsIntegerValues(String tenantId, String namespace, String key) {
+ Integer[] tempArray = get(tenantId, namespace, key, Integer[].class);
+ return tempArray == null ? Arrays.asList() : Arrays.asList(tempArray);
+ }
+
+ /**
+ * Gets as double values.
+ *
+ * @param key the key
+ * @return the as double values
+ */
+ public default List<Double> getAsDoubleValues(String key) {
+ return getAsDoubleValues(null, key);
+ }
+
+ /**
+ * Gets as double values.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as double values
+ */
+ public default List<Double> getAsDoubleValues(String namespace, String key) {
+ return getAsDoubleValues(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as double values.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as double values
+ */
+ public default List<Double> getAsDoubleValues(String tenantId, String namespace, String key) {
+ Double[] tempArray = get(tenantId, namespace, key, Double[].class);
+ return tempArray == null ? Arrays.asList() : Arrays.asList(tempArray);
+ }
+
+ /**
+ * Gets as float values.
+ *
+ * @param key the key
+ * @return the as float values
+ */
+ public default List<Float> getAsFloatValues(String key) {
+ return getAsFloatValues(null, key);
+ }
+
+ /**
+ * Gets as float values.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as float values
+ */
+ public default List<Float> getAsFloatValues(String namespace, String key) {
+ return getAsFloatValues(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as float values.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as float values
+ */
+ public default List<Float> getAsFloatValues(String tenantId, String namespace, String key) {
+ Float[] tempArray = get(tenantId, namespace, key, Float[].class);
+ return tempArray == null ? Arrays.asList() : Arrays.asList(tempArray);
+ }
+
+ /**
+ * Gets as boolean values.
+ *
+ * @param key the key
+ * @return the as boolean values
+ */
+ public default List<Boolean> getAsBooleanValues(String key) {
+ return getAsBooleanValues(null, key);
+ }
+
+ /**
+ * Gets as boolean values.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as boolean values
+ */
+ public default List<Boolean> getAsBooleanValues(String namespace, String key) {
+ return getAsBooleanValues(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as boolean values.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as boolean values
+ */
+ public default List<Boolean> getAsBooleanValues(String tenantId, String namespace, String key) {
+ Boolean[] tempArray = get(tenantId, namespace, key, Boolean[].class);
+ return tempArray == null ? Arrays.asList() : Arrays.asList(tempArray);
+ }
+
+ /**
+ * Gets as character values.
+ *
+ * @param key the key
+ * @return the as character values
+ */
+ public default List<Character> getAsCharacterValues(String key) {
+ return getAsCharacterValues(null, key);
+ }
+
+ /**
+ * Gets as character values.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as character values
+ */
+ public default List<Character> getAsCharacterValues(String namespace, String key) {
+ return getAsCharacterValues(tenant.get(), namespace, key);
+ }
+
+ /**
+ * Gets as character values.
+ *
+ * @param tenantId the tenant id
+ * @param namespace the namespace
+ * @param key the key
+ * @return the as character values
+ */
+ public default List<Character> getAsCharacterValues(String tenantId, String namespace,
+ String key) {
+ Character[] tempArray = get(tenantId, namespace, key, Character[].class);
+ return tempArray == null ? Arrays.asList() : Arrays.asList(tempArray);
+ }
+
+ /**
+ * Get t.
+ *
+ * @param <T> the type parameter
+ * @param tenant the tenant
+ * @param namespace the namespace
+ * @param key the key
+ * @param clazz the clazz
+ * @param hints the hints
+ * @return the t
+ */
+ public <T> T get(String tenant, String namespace, String key, Class<T> clazz, Hint... hints);
+
+ /**
+ * Add configuration change listener.
+ *
+ * @param key the key
+ * @param myself the myself
+ */
+ public default void addConfigurationChangeListener(String key,
+ ConfigurationChangeListener myself) {
+ addConfigurationChangeListener(null, key, myself);
+ }
+
+ /**
+ * Add configuration change listener.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @param myself the myself
+ */
+ public default void addConfigurationChangeListener(String namespace, String key,
+ ConfigurationChangeListener myself) {
+ addConfigurationChangeListener(tenant.get(), namespace, key, myself);
+ }
+
+ /**
+ * Add configuration change listener.
+ *
+ * @param tenant the tenant
+ * @param namespace the namespace
+ * @param key the key
+ * @param myself the myself
+ */
+ public void addConfigurationChangeListener(String tenant, String namespace, String key,
+ ConfigurationChangeListener myself);
+
+ /**
+ * Remove configuration change listener.
+ *
+ * @param key the key
+ * @param myself the myself
+ */
+ public default void removeConfigurationChangeListener(String key,
+ ConfigurationChangeListener myself) {
+ removeConfigurationChangeListener(null, key, myself);
+ }
+
+ /**
+ * Remove configuration change listener.
+ *
+ * @param namespace the namespace
+ * @param key the key
+ * @param myself the myself
+ */
+ public default void removeConfigurationChangeListener(String namespace, String key,
+ ConfigurationChangeListener myself) {
+ removeConfigurationChangeListener(tenant.get(), namespace, key, myself);
+ }
+
+ /**
+ * Remove configuration change listener.
+ *
+ * @param tenant the tenant
+ * @param namespace the namespace
+ * @param key the key
+ * @param myself the myself
+ */
+ public void removeConfigurationChangeListener(String tenant, String namespace, String key,
+ ConfigurationChangeListener myself);
+
+ public default <T> Map<String, T> populateMap(String key, Class<T> clazz){
+ return populateMap(null, key, clazz);
+ }
+ public default <T> Map<String, T> populateMap(String namespace, String key, Class<T> clazz){
+ return populateMap(tenant.get(), namespace, key, clazz);
+ }
+ public <T> Map<String, T> populateMap(String tenantId, String namespace, String key, Class<T> clazz);
+
+ public default Map generateMap(String key){
+ return generateMap(null, key);
+ }
+ public default Map generateMap(String namespace, String key){
+ return generateMap(tenant.get(), namespace, key);
+ }
+ public Map generateMap(String tenantId, String namespace, String key);
+
+}
diff --git a/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/ConfigurationChangeListener.java b/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/ConfigurationChangeListener.java
new file mode 100644
index 0000000000..451a75f3ae
--- /dev/null
+++ b/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/ConfigurationChangeListener.java
@@ -0,0 +1,14 @@
+package org.onap.config.api;
+
+public interface ConfigurationChangeListener {
+
+ public default void notify(String tenantId, String component, String key, Object oldValue,
+ Object newValue) {
+ }
+
+ public default void notify(String component, String key, Object oldValue, Object newValue) {
+ }
+
+ public default void notify(String key, Object oldValue, Object newValue) {
+ }
+}
diff --git a/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/ConfigurationManager.java b/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/ConfigurationManager.java
new file mode 100644
index 0000000000..0e8f1409a0
--- /dev/null
+++ b/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/ConfigurationManager.java
@@ -0,0 +1,98 @@
+package org.onap.config.api;
+
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Proxy;
+import java.util.Collection;
+import java.util.Map;
+import java.util.ServiceLoader;
+
+/**
+ * The interface Configuration manager.
+ */
+public interface ConfigurationManager extends Configuration {
+
+ /**
+ * The constant config.
+ */
+ public static final Configuration config = lookup();
+
+ /**
+ * Lookup configuration.
+ *
+ * @return the configuration
+ */
+ public static Configuration lookup() {
+ if (config == null) {
+ ServiceLoader<ConfigurationManager> loader = ServiceLoader.load(ConfigurationManager.class);
+ for (ConfigurationManager configuration : loader) {
+ return (Configuration) Proxy.newProxyInstance(ConfigurationManager.class.getClassLoader(),
+ new Class[]{Configuration.class}, (object, method, args) -> {
+ try {
+ return method.invoke(configuration, args);
+ } catch (InvocationTargetException ite) {
+ throw ite.getTargetException();
+ }
+ });
+ }
+ }
+ return config;
+ }
+
+ /**
+ * Gets configuration value.
+ *
+ * @param queryData the query data
+ * @return the configuration value
+ */
+ public String getConfigurationValue(Map<String, Object> queryData);
+
+ /**
+ * Update configuration value.
+ *
+ * @param updateData the update data
+ */
+ public void updateConfigurationValue(Map<String, Object> updateData);
+
+ /**
+ * List configuration map.
+ *
+ * @param query the query
+ * @return the map
+ */
+ public Map<String, String> listConfiguration(Map<String, Object> query);
+
+ /**
+ * Update configuration values boolean.
+ *
+ * @param tenant the tenant
+ * @param namespace the namespace
+ * @param configKeyValueStore the config key value store
+ * @return the boolean
+ */
+ public boolean updateConfigurationValues(String tenant, String namespace,
+ Map configKeyValueStore);
+
+ /**
+ * Gets tenants.
+ *
+ * @return the tenants
+ */
+ public Collection<String> getTenants();
+
+ /**
+ * Gets namespaces.
+ *
+ * @return the namespaces
+ */
+ public Collection<String> getNamespaces();
+
+ /**
+ * Gets keys.
+ *
+ * @param tenant the tenant
+ * @param namespace the namespace
+ * @return the keys
+ */
+ public Collection<String> getKeys(String tenant, String namespace);
+}
diff --git a/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/DynamicConfiguration.java b/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/DynamicConfiguration.java
new file mode 100644
index 0000000000..969749b260
--- /dev/null
+++ b/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/DynamicConfiguration.java
@@ -0,0 +1,146 @@
+package org.onap.config.api;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * The type Dynamic configuration.
+ *
+ * @param <T> the type parameter
+ */
+public class DynamicConfiguration<T> {
+
+ /**
+ * The Tenant.
+ */
+ String tenant;
+ /**
+ * The Namespace.
+ */
+ String namespace;
+ /**
+ * The Key.
+ */
+ String key;
+ /**
+ * The Configuration.
+ */
+ Configuration configuration;
+ /**
+ * The Clazz.
+ */
+ Class clazz;
+ /**
+ * The Default value.
+ */
+ T defaultValue;
+
+ /**
+ * Gets dynamic configuration.
+ *
+ * @param <T> the type parameter
+ * @param tenant the tenant
+ * @param namespace the namespace
+ * @param key the key
+ * @param clazz the clazz
+ * @param defaultValue the default value
+ * @param configuration the configuration
+ * @return the dynamic configuration
+ */
+ public static <T> DynamicConfiguration<T> getDynamicConfiguration(String tenant, String namespace,
+ String key, Class<T> clazz,
+ T defaultValue,
+ Configuration configuration) {
+ DynamicConfiguration<T> dynamicConfiguration = new DynamicConfiguration<>();
+ dynamicConfiguration.tenant = tenant;
+ dynamicConfiguration.namespace = namespace;
+ dynamicConfiguration.key = key;
+ dynamicConfiguration.clazz = clazz;
+ dynamicConfiguration.defaultValue = defaultValue;
+ dynamicConfiguration.configuration = configuration;
+ return dynamicConfiguration;
+ }
+
+ /**
+ * Gets dyn configuration.
+ *
+ * @param <K> the type parameter
+ * @param tenant the tenant
+ * @param namespace the namespace
+ * @param key the key
+ * @param clazz the clazz
+ * @param defaultValue the default value
+ * @param configuration the configuration
+ * @return the dyn configuration
+ */
+ public static <K> DynamicConfiguration<List<K>> getDynConfiguration(String tenant,
+ String namespace, String key,
+ Class<K> clazz,
+ K defaultValue,
+ Configuration configuration) {
+ if (clazz.isPrimitive()) {
+ throw new RuntimeException(
+ "Only Wrapper classes like Integer, Long, Double, "
+ + "Boolean etc including String are supported.");
+ }
+ return getDynamicConfiguration(tenant, namespace, key, getArrayClass(clazz),
+ Arrays.asList(defaultValue), configuration);
+ }
+
+ /**
+ * Gets array class.
+ *
+ * @param clazz the clazz
+ * @return the array class
+ */
+ public static Class getArrayClass(Class clazz) {
+ Class arrayClass = null;
+ switch (clazz.getName()) {
+ case "java.lang.Byte":
+ arrayClass = Byte[].class;
+ break;
+ case "java.lang.Short":
+ arrayClass = Short[].class;
+ break;
+ case "java.lang.Integer":
+ arrayClass = Integer[].class;
+ break;
+ case "java.lang.Long":
+ arrayClass = Long[].class;
+ break;
+ case "java.lang.Float":
+ arrayClass = Float[].class;
+ break;
+ case "java.lang.Double":
+ arrayClass = Double[].class;
+ break;
+ case "java.lang.Boolean":
+ arrayClass = Boolean[].class;
+ break;
+ case "java.lang.Character":
+ arrayClass = Character[].class;
+ break;
+ case "java.lang.String":
+ arrayClass = String[].class;
+ break;
+ default:
+ }
+ return arrayClass;
+ }
+
+ /**
+ * Get t.
+ *
+ * @return the t
+ */
+ public T get() {
+ Object toReturn = configuration
+ .get(tenant, namespace, key, clazz, Hint.LATEST_LOOKUP, Hint.EXTERNAL_LOOKUP,
+ Hint.NODE_SPECIFIC);
+ if (toReturn != null && toReturn.getClass().isArray()) {
+ toReturn = Arrays.asList((Object[]) toReturn);
+ }
+ return toReturn == null ? defaultValue : (T) toReturn;
+ }
+
+}
diff --git a/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/Hint.java b/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/Hint.java
new file mode 100644
index 0000000000..17b58f6b0e
--- /dev/null
+++ b/common/onap-common-configuration-management/onap-configuration-management-api/src/main/java/org/onap/config/api/Hint.java
@@ -0,0 +1,18 @@
+package org.onap.config.api;
+
+public enum Hint {
+
+ DEFAULT(0b0), LATEST_LOOKUP(0b1), EXTERNAL_LOOKUP(0b10), NODE_SPECIFIC(0b100);
+
+ private final int lookupHint;
+
+ private Hint(int hnt) {
+ lookupHint = hnt;
+ }
+
+ public int value() {
+ return lookupHint;
+ }
+
+
+}