Added some tools for engine instance management

Issue-ID: HOLMES-365
Signed-off-by: tang peng <tang.peng5@zte.com.cn>
Change-Id: Ie57ca3eaa0ffda7c3f611b07293ceedd75d08a91

5 files changed, 246 insertions, 0 deletions

diff --git a/holmes-actions/src/main/java/org/onap/holmes/common/engine/dao/EngineEntityDao.java b/holmes-actions/src/main/java/org/onap/holmes/common/engine/dao/EngineEntityDao.java
new file mode 100644
index 0000000..42e0bf4
--- /dev/null
+++ b/holmes-actions/src/main/java/org/onap/holmes/common/engine/dao/EngineEntityDao.java
@@ -0,0 +1,44 @@
+/**
+ * Copyright 2020 ZTE Corporation.
+ *
+ * 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
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onap.holmes.common.engine.dao;
+
+import org.onap.holmes.common.engine.entity.EngineEntity;
+import org.skife.jdbi.v2.sqlobject.Bind;
+import org.skife.jdbi.v2.sqlobject.BindBean;
+import org.skife.jdbi.v2.sqlobject.SqlQuery;
+import org.skife.jdbi.v2.sqlobject.SqlUpdate;
+import org.skife.jdbi.v2.sqlobject.customizers.RegisterMapper;
+
+import java.util.List;
+
+@RegisterMapper(EngineEntityMapper.class)
+public interface EngineEntityDao {
+    @SqlQuery("SELECT * FROM ENGINE_ENTITY WHERE ID = :id")
+    EngineEntity getEntity(@Bind("id") String id);
+
+    @SqlQuery("SELECT * FROM ENGINE_ENTITY")
+    List<EngineEntity> getAllEntities();
+
+    @SqlUpdate("INSERT INTO ENGINE_ENTITY VALUES (:id, :ip, :port, :lastModified)")
+    void insertEntity(@BindBean EngineEntity entity);
+
+    @SqlUpdate("UPDATE ENGINE_ENTITY SET LASTMODIFIED = :lastModified WHERE ID = :id")
+    void updateEntity(@BindBean EngineEntity entity);
+
+    @SqlUpdate("DELETE FROM ENGINE_ENTITY WHERE ID = :id")
+    void deleteEntity(@Bind("id") String id);
+}
\ No newline at end of file
diff --git a/holmes-actions/src/main/java/org/onap/holmes/common/engine/dao/EngineEntityMapper.java b/holmes-actions/src/main/java/org/onap/holmes/common/engine/dao/EngineEntityMapper.java
new file mode 100644
index 0000000..cda38a5
--- /dev/null
+++ b/holmes-actions/src/main/java/org/onap/holmes/common/engine/dao/EngineEntityMapper.java
@@ -0,0 +1,35 @@
+/**
+ * Copyright 2020 ZTE Corporation.
+ *
+ * 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
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onap.holmes.common.engine.dao;
+
+import org.onap.holmes.common.engine.entity.EngineEntity;
+import org.skife.jdbi.v2.StatementContext;
+import org.skife.jdbi.v2.tweak.ResultSetMapper;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+public class EngineEntityMapper implements ResultSetMapper<EngineEntity> {
+    @Override
+    public EngineEntity map(int i, ResultSet resultSet, StatementContext statementContext) throws SQLException {
+        EngineEntity entity = new EngineEntity();
+        entity.setIp(resultSet.getString("ip"));
+        entity.setPort(resultSet.getInt("port"));
+        entity.setLastModified(resultSet.getLong("lastmodified"));
+        return entity;
+    }
+}
\ No newline at end of file
diff --git a/holmes-actions/src/main/java/org/onap/holmes/common/engine/entity/EngineEntity.java b/holmes-actions/src/main/java/org/onap/holmes/common/engine/entity/EngineEntity.java
new file mode 100644
index 0000000..9822fbc
--- /dev/null
+++ b/holmes-actions/src/main/java/org/onap/holmes/common/engine/entity/EngineEntity.java
@@ -0,0 +1,74 @@
+/**
+ * Copyright 2020 ZTE Corporation.
+ *
+ * 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
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onap.holmes.common.engine.entity;
+
+public class EngineEntity {
+    private String ip;
+    private int port;
+    private long lastModified;
+
+    public EngineEntity(String ip, int port) {
+        this.ip = ip;
+        this.port = port;
+        this.lastModified = System.currentTimeMillis();
+    }
+
+    public EngineEntity() {
+    }
+
+    public String getId() {
+        return ip + "_" + port;
+    }
+
+    public String getIp() {
+        return ip;
+    }
+
+    public void setIp(String ip) {
+        this.ip = ip;
+    }
+
+    public int getPort() {
+        return port;
+    }
+
+    public void setPort(int port) {
+        this.port = port;
+    }
+
+    public long getLastModified() {
+        return lastModified;
+    }
+
+    public void setLastModified(long lastModified) {
+        this.lastModified = lastModified;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o == null || ! (o instanceof  EngineEntity)) {
+            return false;
+        }
+
+        return ((EngineEntity) o).getId().equals(getId());
+    }
+
+    @Override
+    public int hashCode() {
+        return getId().hashCode();
+    }
+}
\ No newline at end of file
diff --git a/holmes-actions/src/main/java/org/onap/holmes/common/engine/service/EngineEntityService.java b/holmes-actions/src/main/java/org/onap/holmes/common/engine/service/EngineEntityService.java
new file mode 100644
index 0000000..0baa4de
--- /dev/null
+++ b/holmes-actions/src/main/java/org/onap/holmes/common/engine/service/EngineEntityService.java
@@ -0,0 +1,31 @@
+/**
+ * Copyright 2020 ZTE Corporation.
+ *
+ * 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
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onap.holmes.common.engine.service;
+
+import org.glassfish.jersey.spi.Contract;
+import org.onap.holmes.common.engine.entity.EngineEntity;
+
+import java.util.List;
+
+@Contract
+public interface EngineEntityService {
+    EngineEntity getEntity(String id);
+    List<EngineEntity> getAllEntities();
+    void updateEntity(EngineEntity entity);
+    void insertEntity(EngineEntity entity);
+    void deleteEntity(String id);
+}
diff --git a/holmes-actions/src/main/java/org/onap/holmes/common/engine/service/impl/EngineEntityServiceImpl.java b/holmes-actions/src/main/java/org/onap/holmes/common/engine/service/impl/EngineEntityServiceImpl.java
new file mode 100644
index 0000000..926af13
--- /dev/null
+++ b/holmes-actions/src/main/java/org/onap/holmes/common/engine/service/impl/EngineEntityServiceImpl.java
@@ -0,0 +1,62 @@
+/**
+ * Copyright 2020 ZTE Corporation.
+ *
+ * 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
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onap.holmes.common.engine.service.impl;
+
+import org.jvnet.hk2.annotations.Service;
+import org.onap.holmes.common.engine.dao.EngineEntityDao;
+import org.onap.holmes.common.engine.entity.EngineEntity;
+import org.onap.holmes.common.engine.service.EngineEntityService;
+import org.onap.holmes.common.utils.DbDaoUtil;
+
+import javax.inject.Inject;
+import java.util.List;
+
+@Service
+public class EngineEntityServiceImpl implements EngineEntityService {
+
+    private EngineEntityDao engineEntityDao;
+
+    @Inject
+    public EngineEntityServiceImpl(DbDaoUtil dbDaoUtil){
+        engineEntityDao = dbDaoUtil.getJdbiDaoByOnDemand(EngineEntityDao.class);
+    }
+
+    @Override
+    public EngineEntity getEntity(String id) {
+        return engineEntityDao.getEntity(id);
+    }
+
+    @Override
+    public List<EngineEntity> getAllEntities() {
+        return engineEntityDao.getAllEntities();
+    }
+
+    @Override
+    public void updateEntity(EngineEntity entity) {
+        engineEntityDao.updateEntity(entity);
+    }
+
+    @Override
+    public void insertEntity(EngineEntity entity) {
+        engineEntityDao.insertEntity(entity);
+    }
+
+    @Override
+    public void deleteEntity(String id) {
+        engineEntityDao.deleteEntity(id);
+    }
+}