1 files changed, 193 insertions, 0 deletions
diff --git a/runtime/src/main/java/org/onap/policy/clamp/loop/log/LoopLog.java b/runtime/src/main/java/org/onap/policy/clamp/loop/log/LoopLog.java
new file mode 100644
index 000000000..00f7e1f41
--- /dev/null
+++ b/runtime/src/main/java/org/onap/policy/clamp/loop/log/LoopLog.java
@@ -0,0 +1,193 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights
+ *                             reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END============================================
+ * ===================================================================
+ *
+ */
+
+package org.onap.policy.clamp.loop.log;
+
+import com.google.gson.annotations.Expose;
+import java.io.Serializable;
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.EnumType;
+import javax.persistence.Enumerated;
+import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.Table;
+import org.onap.policy.clamp.loop.Loop;
+
+/**
+ * This class holds the logs created by the Clamp Backend. The Instant is always
+ * rounded to the nearest second as the nano seconds can't be stored in the
+ * database. The logs can be therefore exposed to the UI or the client doing
+ * some GET Loop on the backend.
+ *
+ */
+@Entity
+@Table(name = "loop_logs")
+public class LoopLog implements Serializable, Comparable<LoopLog> {
+    /**
+     * The serial version ID.
+     */
+    private static final long serialVersionUID = 1988276670074437631L;
+
+    @Expose
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    @Expose
+    @Column(name = "log_type", nullable = false)
+    @Enumerated(EnumType.STRING)
+    private LogType logType;
+
+    @Expose
+    @Column(name = "log_component", nullable = false)
+    private String logComponent;
+
+    @Expose
+    @Column(name = "message", columnDefinition = "MEDIUMTEXT", nullable = false)
+    private String message;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "loop_id", nullable = false)
+    private Loop loop;
+
+    @Expose
+    @Column(name = "log_instant", nullable = false)
+    private Instant logInstant = Instant.now().truncatedTo(ChronoUnit.SECONDS);
+
+    public LoopLog() {
+    }
+
+    /**
+     * Constructor For LoopLog taking message and logtype, logComponent and loop
+     * reference.
+     * 
+     * @param message      The message as string
+     * @param logType      Type like INFO, WARN, DEBUG
+     * @param logComponent A String with DCAE, POLICY, CLAMP ,etc...
+     * @param loop         The loop object that this log is about
+     */
+    public LoopLog(String message, LogType logType, String logComponent, Loop loop) {
+        this.message = message;
+        this.logType = logType;
+        this.loop = loop;
+        this.logComponent = logComponent;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public LogType getLogType() {
+        return logType;
+    }
+
+    public void setLogType(LogType logType) {
+        this.logType = logType;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public Loop getLoop() {
+        return loop;
+    }
+
+    public void setLoop(Loop loop) {
+        this.loop = loop;
+    }
+
+    public Instant getLogInstant() {
+        return logInstant;
+    }
+
+    public void setLogInstant(Instant logInstant) {
+        this.logInstant = logInstant.truncatedTo(ChronoUnit.SECONDS);
+    }
+
+    public String getLogComponent() {
+        return logComponent;
+    }
+
+    public void setLogComponent(String logComponent) {
+        this.logComponent = logComponent;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((id == null) ? 0 : id.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        LoopLog other = (LoopLog) obj;
+        if (id == null) {
+            if (other.id != null) {
+                return false;
+            }
+        } else if (!id.equals(other.id)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public int compareTo(LoopLog arg0) {
+        // Reverse it, so that by default we have the latest
+        if (getId() == null) {
+            return 1;
+        }
+        if (arg0.getId() == null) {
+            return -1;
+        }
+        return arg0.getId().compareTo(this.getId());
+    }
+
+}