Add JpaPdpStatistics entity

Add JpaPdpStatistics entity which will be used in provider.
Add Pdp Statistics entities

Issue-ID: POLICY-1628
Signed-off-by: shaoqiu <tim.huang@est.tech>
Change-Id: Iab12eb02e2e7f0e366aff64fa665b5d6674f2905
Signed-off-by: shaoqiu <tim.huang@est.tech>

2 files changed, 251 insertions, 0 deletions

diff --git a/models-base/src/main/java/org/onap/policy/models/base/PfTimestampKey.java b/models-base/src/main/java/org/onap/policy/models/base/PfTimestampKey.java
new file mode 100644
index 000000000..a2f11290d
--- /dev/null
+++ b/models-base/src/main/java/org/onap/policy/models/base/PfTimestampKey.java
@@ -0,0 +1,156 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP Policy Model
+ * ================================================================================
+ * Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.base;
+
+import java.util.Date;
+import javax.persistence.Column;
+import javax.persistence.Embeddable;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.NonNull;
+import org.onap.policy.common.utils.validation.Assertions;
+
+@Embeddable
+@Getter
+@EqualsAndHashCode(callSuper = false)
+public class PfTimestampKey extends PfKeyImpl {
+    private static final long serialVersionUID = -8410208962541783805L;
+
+    private static final String TIMESTAMP_TOKEN = "timeStamp";
+
+    @Column(name = NAME_TOKEN, length = 120)
+    private String name;
+
+    @Column(name = VERSION_TOKEN, length = 20)
+    private String version;
+
+    @Column(name = TIMESTAMP_TOKEN)
+    private Date timeStamp;
+
+
+    /**
+     * The default constructor creates a null concept key.
+     */
+    public PfTimestampKey() {
+        this(NULL_KEY_NAME, NULL_KEY_VERSION, new Date(0));
+    }
+
+    /**
+     * Copy constructor.
+     *
+     * @param copyConcept the concept to copy from
+     */
+    public PfTimestampKey(@NonNull final PfTimestampKey copyConcept) {
+        super(copyConcept);
+        this.timeStamp = new Date(copyConcept.getTimeStamp().getTime());
+    }
+
+    /**
+     * Constructor to create a key with the specified name and version.
+     *
+     * @param name the key name
+     * @param version the key version
+     * @param timeStamp the timestamp of key
+     */
+    public PfTimestampKey(@NonNull final String name, @NonNull final String version,
+            @NonNull final Date timeStamp) {
+        super(name, version);
+        this.timeStamp = new Date(timeStamp.getTime());
+    }
+
+    /**
+     * Constructor to create a key using the key and version from the specified key ID.
+     *
+     * @param id the key ID in a format that respects the KEY_ID_REGEXP
+     */
+    public PfTimestampKey(final String id) {
+        super(id.substring(0, id.lastIndexOf(':')));
+        this.timeStamp = new Date(Long.parseLong(id.substring(id.lastIndexOf(':') + 1)));
+    }
+
+    @Override
+    public String getId() {
+        return getName() + ':' + getVersion() + ':' + getTimeStamp().getTime();
+    }
+
+    /**
+     * Get a null key.
+     *
+     * @return a null key
+     */
+    public static final PfTimestampKey getNullKey() {
+        return new PfTimestampKey(PfKey.NULL_KEY_NAME, PfKey.NULL_KEY_VERSION, new Date(0));
+    }
+
+    @Override
+    public String toString() {
+        return "PfTimestampKey(name=" + getName() + ", version=" + getVersion() + ", timestamp="
+                + getTimeStamp().getTime() + ")";
+    }
+
+    @Override
+    public boolean isNewerThan(@NonNull PfKey otherKey) {
+        Assertions.instanceOf(otherKey, PfTimestampKey.class);
+
+        final PfTimestampKey otherConceptKey = (PfTimestampKey) otherKey;
+
+        if (this.equals(otherConceptKey)) {
+            return false;
+        }
+
+        if (!timeStamp.equals(otherConceptKey.timeStamp)) {
+            return timeStamp.after(otherConceptKey.timeStamp);
+        }
+
+        return super.isNewerThan(otherKey);
+    }
+
+    public void setTimeStamp(@NonNull final Date timeStamp) {
+        this.timeStamp = new Date(timeStamp.getTime());
+    }
+
+    @Override
+    public boolean isNullKey() {
+        return super.isNullKey() && getTimeStamp().getTime() == 0;
+    }
+
+    @Override
+    public int compareTo(@NonNull final PfConcept otherObj) {
+        int result = super.compareTo(otherObj);
+        if (0 == result) {
+            final PfTimestampKey other = (PfTimestampKey) otherObj;
+            return timeStamp.compareTo(other.timeStamp);
+        }
+        return result;
+    }
+
+    @Override
+    public void setName(@NonNull String name) {
+        this.name = Assertions.validateStringParameter(NAME_TOKEN, name, getNameRegEx());
+    }
+
+    @Override
+    public void setVersion(@NonNull String version) {
+        this.version = Assertions.validateStringParameter(VERSION_TOKEN, version, getVersionRegEx());
+    }
+}
diff --git a/models-base/src/test/java/org/onap/policy/models/base/PfTimestampKeyTest.java b/models-base/src/test/java/org/onap/policy/models/base/PfTimestampKeyTest.java
new file mode 100644
index 000000000..28b9fd922
--- /dev/null
+++ b/models-base/src/test/java/org/onap/policy/models/base/PfTimestampKeyTest.java
@@ -0,0 +1,95 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP Policy Model
+ * ================================================================================
+ * Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.base;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.util.Date;
+import org.junit.Test;
+
+public class PfTimestampKeyTest {
+    private static final String VERSION001 = "0.0.1";
+    private static final String CONCEPT_IS_NULL = "copyConcept is marked @NonNull but is null";
+    private static final String NAME_IS_NULL = "name is marked @NonNull but is null";
+    private static final String VERSION_IS_NULL = "version is marked @NonNull but is null";
+    private static final String TIMESTAMP_IS_NULL = "timeStamp is marked @NonNull but is null";
+    private static final long timeStamp = 1574832537641L;
+
+    @Test
+    public void testTimestampKey() {
+        PfTimestampKey someKey0 = new PfTimestampKey();
+        assertEquals(PfTimestampKey.getNullKey(), someKey0);
+        assertTrue(someKey0.isNullKey());
+        assertEquals("PfTimestampKey(name=NULL, version=0.0.0, timestamp=0)", someKey0.toString());
+
+        PfTimestampKey someKey1 = new PfTimestampKey("my-name", VERSION001, new Date(timeStamp));
+        PfTimestampKey someKey2 = new PfTimestampKey(someKey1);
+        PfTimestampKey someKey3 = new PfTimestampKey(someKey1.getId());
+        assertEquals(someKey1, someKey2);
+        assertEquals(someKey1, someKey3);
+        assertFalse(someKey1.isNullVersion());
+        assertEquals("PfTimestampKey(name=my-name, version=0.0.1, timestamp=1574832537641)", someKey1.toString());
+
+        assertEquals("my-name", someKey1.getName());
+        assertEquals(VERSION001, someKey1.getVersion());
+
+        assertEquals(someKey2, someKey1.getKey());
+        assertEquals(1, someKey1.getKeys().size());
+
+        assertThatThrownBy(() -> new PfTimestampKey((PfTimestampKey) null)).isInstanceOf(NullPointerException.class)
+                .hasMessage(CONCEPT_IS_NULL);
+        assertThatThrownBy(() -> new PfTimestampKey(null, null, null)).isInstanceOf(NullPointerException.class)
+                .hasMessage(NAME_IS_NULL);
+        assertThatThrownBy(() -> new PfTimestampKey("my-name", null, null)).isInstanceOf(NullPointerException.class)
+                .hasMessage(VERSION_IS_NULL);
+        assertThatThrownBy(() -> new PfTimestampKey("my-name", VERSION001, null))
+                .isInstanceOf(NullPointerException.class).hasMessage(TIMESTAMP_IS_NULL);
+
+        assertThatThrownBy(() -> someKey0.setName(null)).isInstanceOf(NullPointerException.class)
+                .hasMessage(NAME_IS_NULL);
+        assertThatThrownBy(() -> someKey0.setVersion(null)).isInstanceOf(NullPointerException.class)
+                .hasMessage(VERSION_IS_NULL);
+        assertThatThrownBy(() -> someKey0.setTimeStamp(null)).isInstanceOf(NullPointerException.class)
+                .hasMessage(TIMESTAMP_IS_NULL);
+
+        assertFalse(someKey1.isNewerThan(someKey2));
+        assertThatThrownBy(() -> someKey1.isNewerThan((PfKey) null)).isInstanceOf(NullPointerException.class)
+                .hasMessage("otherKey is marked @NonNull but is null");
+        someKey2.setTimeStamp(new Date(timeStamp + 1));
+        assertTrue(someKey2.isNewerThan(someKey1));
+        someKey3.setName("my-name3");
+        assertTrue(someKey3.isNewerThan(someKey1));
+
+        assertEquals(-1, someKey1.compareTo(someKey2));
+        assertEquals(-1, someKey1.compareTo(someKey3));
+        assertThatThrownBy(() -> someKey1.compareTo((PfConcept) null)).isInstanceOf(NullPointerException.class)
+                .hasMessage("otherObj is marked @NonNull but is null");
+
+        PfTimestampKey someKey4 = new PfTimestampKey("NULL", "0.0.0", new Date(timeStamp));
+        assertFalse(someKey4.isNullKey());
+        assertFalse(someKey1.isNullKey());
+    }
+}