[#1] provide naming conventions

Signed-off-by: Ori Bruk <o.bruk@yadro.com>

models/src/main/java/info/frostfs/sdk/enums/BasicAcl.java

@@ -0,0 +1,33 @@
+package info.frostfs.sdk.enums;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+public enum BasicAcl {
+    PRIVATE(0x1C8C8CCC),
+    PUBLIC_RO(0x1FBF8CFF),
+    PUBLIC_RW(0x1FBFBFFF),
+    PUBLIC_APPEND(0x1FBF9FFF),
+    ;
+
+    private static final Map<Integer, BasicAcl> ENUM_MAP_BY_VALUE;
+
+    static {
+        Map<Integer, BasicAcl> map = new HashMap<>();
+        for (BasicAcl basicAcl : BasicAcl.values()) {
+            map.put(basicAcl.value, basicAcl);
+        }
+        ENUM_MAP_BY_VALUE = Collections.unmodifiableMap(map);
+    }
+
+    public final int value;
+
+    BasicAcl(int value) {
+        this.value = value;
+    }
+
+    public static BasicAcl get(int value) {
+        return ENUM_MAP_BY_VALUE.get(value);
+    }
+}

models/src/main/java/info/frostfs/sdk/enums/NodeState.java

@@ -0,0 +1,33 @@
+package info.frostfs.sdk.enums;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+public enum NodeState {
+    UNSPECIFIED(0),
+    ONLINE(1),
+    OFFLINE(2),
+    MAINTENANCE(3),
+    ;
+
+    private static final Map<Integer, NodeState> ENUM_MAP_BY_VALUE;
+
+    static {
+        Map<Integer, NodeState> map = new HashMap<>();
+        for (NodeState nodeState : NodeState.values()) {
+            map.put(nodeState.value, nodeState);
+        }
+        ENUM_MAP_BY_VALUE = Collections.unmodifiableMap(map);
+    }
+
+    public final int value;
+
+    NodeState(int value) {
+        this.value = value;
+    }
+
+    public static NodeState get(int value) {
+        return ENUM_MAP_BY_VALUE.get(value);
+    }
+}

models/src/main/java/info/frostfs/sdk/enums/ObjectMatchType.java

@@ -0,0 +1,16 @@
+package info.frostfs.sdk.enums;
+
+public enum ObjectMatchType {
+    UNSPECIFIED(0),
+    EQUALS(1),
+    NOT_EQUALS(2),
+    KEY_ABSENT(3),
+    STARTS_WITH(4),
+    ;
+
+    public final int value;
+
+    ObjectMatchType(int value) {
+        this.value = value;
+    }
+}

models/src/main/java/info/frostfs/sdk/enums/ObjectType.java

@@ -0,0 +1,32 @@
+package info.frostfs.sdk.enums;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+public enum ObjectType {
+    REGULAR(0),
+    TOMBSTONE(1),
+    LOCK(3),
+    ;
+
+    private static final Map<Integer, ObjectType> ENUM_MAP_BY_VALUE;
+
+    static {
+        Map<Integer, ObjectType> map = new HashMap<>();
+        for (ObjectType objectType : ObjectType.values()) {
+            map.put(objectType.value, objectType);
+        }
+        ENUM_MAP_BY_VALUE = Collections.unmodifiableMap(map);
+    }
+
+    public final int value;
+
+    ObjectType(int value) {
+        this.value = value;
+    }
+
+    public static ObjectType get(int value) {
+        return ENUM_MAP_BY_VALUE.get(value);
+    }
+}

models/src/main/java/info/frostfs/sdk/enums/SignatureScheme.java

@@ -0,0 +1,14 @@
+package info.frostfs.sdk.enums;
+
+public enum SignatureScheme {
+    ECDSA_SHA512(0),
+    ECDSA_RFC6979_SHA256(1),
+    ECDSA_RFC6979_SHA256_WALLET_CONNECT(2),
+    ;
+
+    public final int value;
+
+    SignatureScheme(int value) {
+        this.value = value;
+    }
+}

models/src/main/java/info/frostfs/sdk/enums/StatusCode.java

@@ -0,0 +1,46 @@
+package info.frostfs.sdk.enums;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+public enum StatusCode {
+    SUCCESS(0),
+    INTERNAL(1024),
+    WRONG_MAGIC_NUMBER(1025),
+    SIGNATURE_VERIFICATION_FAILURE(1026),
+    NODE_UNDER_MAINTENANCE(1027),
+    OBJECT_ACCESS_DENIED(2048),
+    OBJECT_NOT_FOUND(2049),
+    OBJECT_LOCKED(2050),
+    LOCK_NOT_REGULAR_OBJECT(2051),
+    OBJECT_ALREADY_REMOVED(2052),
+    OUT_OF_RANGE(2053),
+    CONTAINER_NOT_FOUND(3072),
+    E_ACL_NOT_FOUND(3073),
+    CONTAINER_ACCESS_DENIED(3074),
+    TOKEN_NOT_FOUND(4096),
+    TOKEN_EXPIRED(4097),
+    APE_MANAGER_ACCESS_DENIED(5120),
+    ;
+
+    private static final Map<Integer, StatusCode> ENUM_MAP_BY_VALUE;
+
+    static {
+        Map<Integer, StatusCode> map = new HashMap<>();
+        for (StatusCode statusCode : StatusCode.values()) {
+            map.put(statusCode.value, statusCode);
+        }
+        ENUM_MAP_BY_VALUE = Collections.unmodifiableMap(map);
+    }
+
+    public final int value;
+
+    StatusCode(int value) {
+        this.value = value;
+    }
+
+    public static StatusCode get(int value) {
+        return ENUM_MAP_BY_VALUE.get(value);
+    }
+}