Support wild cards in "supported policy types"

Refactored PfConceptKey, extracting most of it into PfKeyImpl.
Added PfSearchableKey as a subclass of PfKeyImpl.

Change-Id: I524f4ce9208fc9ba09e77db4cc7dde5a21e1d7fc
Issue-ID: POLICY-2224
Signed-off-by: Jim Hahn <jrh3@att.com>

3 files changed, 431 insertions, 218 deletions

diff --git a/models-base/src/main/java/org/onap/policy/models/base/PfConceptKey.java b/models-base/src/main/java/org/onap/policy/models/base/PfConceptKey.java
index f5baae7fe..5e3295ec7 100644
--- a/models-base/src/main/java/org/onap/policy/models/base/PfConceptKey.java
+++ b/models-base/src/main/java/org/onap/policy/models/base/PfConceptKey.java
@@ -21,19 +21,12 @@
 
 package org.onap.policy.models.base;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import javax.persistence.Column;
 import javax.persistence.Embeddable;
-
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.NonNull;
-import lombok.ToString;
-
 import org.onap.policy.common.utils.validation.Assertions;
-import org.onap.policy.models.base.PfValidationResult.ValidationResult;
 
 /**
  * An concept key uniquely identifies every first order entity in the system. Every first order concept in the system
@@ -45,14 +38,10 @@ import org.onap.policy.models.base.PfValidationResult.ValidationResult;
  */
 @Embeddable
 @Getter
-@ToString
 @EqualsAndHashCode(callSuper = false)
-public class PfConceptKey extends PfKey {
+public class PfConceptKey extends PfKeyImpl {
     private static final long serialVersionUID = 8932717618579392561L;
 
-    private static final String NAME_TOKEN = "name";
-    private static final String VERSION_TOKEN = "version";
-
     @Column(name = NAME_TOKEN, length = 120)
     private String name;
 
@@ -71,10 +60,8 @@ public class PfConceptKey extends PfKey {
      *
      * @param copyConcept the concept to copy from
      */
-    public PfConceptKey(@NonNull final PfConceptKey copyConcept) {
+    public PfConceptKey(final PfConceptKey copyConcept) {
         super(copyConcept);
-        this.name = copyConcept.name;
-        this.version = copyConcept.version;
     }
 
     /**
@@ -83,10 +70,8 @@ public class PfConceptKey extends PfKey {
      * @param name the key name
      * @param version the key version
      */
-    public PfConceptKey(@NonNull final String name, @NonNull final String version) {
-        super();
-        this.name = Assertions.validateStringParameter(NAME_TOKEN, name, NAME_REGEXP);
-        this.version = Assertions.validateStringParameter(VERSION_TOKEN, version, VERSION_REGEXP);
+    public PfConceptKey(final String name, final String version) {
+        super(name, version);
     }
 
     /**
@@ -94,218 +79,29 @@ public class PfConceptKey extends PfKey {
      *
      * @param id the key ID in a format that respects the KEY_ID_REGEXP
      */
-    public PfConceptKey(@NonNull final String id) {
-        // Check the incoming ID is valid
-        Assertions.validateStringParameter("id", id, KEY_ID_REGEXP);
-
-        // Split on colon, if the id passes the regular expression test above
-        // it'll have just one colon separating the name and version
-        // No need for range checks or size checks on the array
-        final String[] nameVersionArray = id.split(":");
-
-        // Return the new key
-        name = Assertions.validateStringParameter(NAME_TOKEN, nameVersionArray[0], NAME_REGEXP);
-        version = Assertions.validateStringParameter(VERSION_TOKEN, nameVersionArray[1], VERSION_REGEXP);
-    }
-
-    /**
-     * Get a null concept key.
-     *
-     * @return a null concept key
-     */
-    public static final PfConceptKey getNullKey() {
-        return new PfConceptKey(PfKey.NULL_KEY_NAME, PfKey.NULL_KEY_VERSION);
-    }
-
-    @Override
-    public PfConceptKey getKey() {
-        return this;
+    public PfConceptKey(final String id) {
+        super(id);
     }
 
     public void setName(@NonNull final String name) {
-        this.name = Assertions.validateStringParameter(NAME_TOKEN, name, NAME_REGEXP);
+        this.name = Assertions.validateStringParameter(NAME_TOKEN, name, getNameRegEx());
     }
 
     public void setVersion(@NonNull final String version) {
-        this.version = Assertions.validateStringParameter(VERSION_TOKEN, version, VERSION_REGEXP);
-    }
-
-    @Override
-    public List<PfKey> getKeys() {
-        final List<PfKey> keyList = new ArrayList<>();
-        keyList.add(getKey());
-        return keyList;
-    }
-
-    @Override
-    public String getId() {
-        return name + ':' + version;
-    }
-
-    @Override
-    public boolean isNullKey() {
-        return this.equals(PfConceptKey.getNullKey());
+        this.version = Assertions.validateStringParameter(VERSION_TOKEN, version, getVersionRegEx());
     }
 
     /**
-     * Determines if the version is "null".
+     * Get a null concept key.
      *
-     * @return {@code true} if the version is null, {@code false} otherwise
+     * @return a null concept key
      */
-    public boolean isNullVersion() {
-        return PfKey.NULL_KEY_VERSION.equals(getVersion());
-    }
-
-    @Override
-    public PfKey.Compatibility getCompatibility(@NonNull final PfKey otherKey) {
-        if (!(otherKey instanceof PfConceptKey)) {
-            return Compatibility.DIFFERENT;
-        }
-        final PfConceptKey otherConceptKey = (PfConceptKey) otherKey;
-
-        if (this.equals(otherConceptKey)) {
-            return Compatibility.IDENTICAL;
-        }
-        if (!this.getName().equals(otherConceptKey.getName())) {
-            return Compatibility.DIFFERENT;
-        }
-
-        final String[] thisVersionArray = getVersion().split("\\.");
-        final String[] otherVersionArray = otherConceptKey.getVersion().split("\\.");
-
-        // There must always be at least one element in each version
-        if (!thisVersionArray[0].equals(otherVersionArray[0])) {
-            return Compatibility.MAJOR;
-        }
-
-        if (thisVersionArray.length >= 2 && otherVersionArray.length >= 2
-                        && !thisVersionArray[1].equals(otherVersionArray[1])) {
-            return Compatibility.MINOR;
-        }
-
-        return Compatibility.PATCH;
-    }
-
-    @Override
-    public boolean isCompatible(@NonNull final PfKey otherKey) {
-        if (!(otherKey instanceof PfConceptKey)) {
-            return false;
-        }
-        final PfConceptKey otherConceptKey = (PfConceptKey) otherKey;
-
-        final Compatibility compatibility = this.getCompatibility(otherConceptKey);
-
-        return !(compatibility == Compatibility.DIFFERENT || compatibility == Compatibility.MAJOR);
-    }
-
-    @Override
-    public boolean isNewerThan(@NonNull final PfKey otherKey) {
-        Assertions.instanceOf(otherKey, PfConceptKey.class);
-
-        final PfConceptKey otherConceptKey = (PfConceptKey) otherKey;
-
-        if (this.equals(otherConceptKey)) {
-            return false;
-        }
-
-        if (!this.getName().equals(otherConceptKey.getName())) {
-            return this.getName().compareTo(otherConceptKey.getName()) > 0;
-        }
-
-        final String[] thisVersionArray = getVersion().split("\\.");
-        final String[] otherVersionArray = otherConceptKey.getVersion().split("\\.");
-
-        // There must always be at least one element in each version
-        if (!thisVersionArray[0].equals(otherVersionArray[0])) {
-            return Integer.valueOf(thisVersionArray[0]) > Integer.valueOf(otherVersionArray[0]);
-        }
-
-        if (thisVersionArray.length >= 2 && otherVersionArray.length >= 2
-                        && !thisVersionArray[1].equals(otherVersionArray[1])) {
-            return Integer.valueOf(thisVersionArray[1]) > Integer.valueOf(otherVersionArray[1]);
-        }
-
-        if (thisVersionArray.length >= 3 && otherVersionArray.length >= 3
-                        && !thisVersionArray[2].equals(otherVersionArray[2])) {
-            return Integer.valueOf(thisVersionArray[2]) > Integer.valueOf(otherVersionArray[2]);
-        }
-
-        return false;
-    }
-
-    @Override
-    public int getMajorVersion() {
-        final String[] versionArray = getVersion().split("\\.");
-
-        // There must always be at least one element in each version
-        return Integer.parseInt(versionArray[0]);
-    }
-
-    @Override
-    public int getMinorVersion() {
-        final String[] versionArray = getVersion().split("\\.");
-
-        if (versionArray.length >= 2) {
-            return Integer.parseInt(versionArray[1]);
-        }
-        else {
-            return 0;
-        }
-    }
-
-    @Override
-    public int getPatchVersion() {
-        final String[] versionArray = getVersion().split("\\.");
-
-        if (versionArray.length >= 3) {
-            return Integer.parseInt(versionArray[2]);
-        }
-        else {
-            return 0;
-        }
-    }
-
-    @Override
-    public PfValidationResult validate(final PfValidationResult result) {
-        final String nameValidationErrorMessage = Assertions.getStringParameterValidationMessage(NAME_TOKEN, name,
-                        NAME_REGEXP);
-        if (nameValidationErrorMessage != null) {
-            result.addValidationMessage(new PfValidationMessage(this, this.getClass(), ValidationResult.INVALID,
-                            "name invalid-" + nameValidationErrorMessage));
-        }
-
-        final String versionValidationErrorMessage = Assertions.getStringParameterValidationMessage(VERSION_TOKEN,
-                        version, VERSION_REGEXP);
-        if (versionValidationErrorMessage != null) {
-            result.addValidationMessage(new PfValidationMessage(this, this.getClass(), ValidationResult.INVALID,
-                            "version invalid-" + versionValidationErrorMessage));
-        }
-
-        return result;
-    }
-
-    @Override
-    public void clean() {
-        name = Assertions.validateStringParameter(NAME_TOKEN, name, NAME_REGEXP);
-        version = Assertions.validateStringParameter(VERSION_TOKEN, version, VERSION_REGEXP);
+    public static final PfConceptKey getNullKey() {
+        return new PfConceptKey(PfKey.NULL_KEY_NAME, PfKey.NULL_KEY_VERSION);
     }
 
     @Override
-    public int compareTo(@NonNull final PfConcept otherObj) {
-        Assertions.argumentNotNull(otherObj, "comparison object may not be null");
-
-        if (this == otherObj) {
-            return 0;
-        }
-        if (getClass() != otherObj.getClass()) {
-            return getClass().getName().compareTo(otherObj.getClass().getName());
-        }
-
-        final PfConceptKey other = (PfConceptKey) otherObj;
-
-        if (!name.equals(other.name)) {
-            return name.compareTo(other.name);
-        }
-        return version.compareTo(other.version);
+    public String toString() {
+        return "PfConceptKey(name=" + getName() + ", version=" + getVersion() + ")";
     }
 }
diff --git a/models-base/src/main/java/org/onap/policy/models/base/PfKeyImpl.java b/models-base/src/main/java/org/onap/policy/models/base/PfKeyImpl.java
new file mode 100644
index 000000000..461fd2495
--- /dev/null
+++ b/models-base/src/main/java/org/onap/policy/models/base/PfKeyImpl.java
@@ -0,0 +1,306 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.base;
+
+import java.util.ArrayList;
+import java.util.List;
+import lombok.Getter;
+import lombok.NonNull;
+import lombok.ToString;
+import org.onap.policy.common.utils.validation.Assertions;
+import org.onap.policy.models.base.PfValidationResult.ValidationResult;
+
+/**
+ * A key, upon which other key subclasses can be built, providing implementations of the methods.
+ */
+@Getter
+@ToString
+public abstract class PfKeyImpl extends PfKey {
+    private static final long serialVersionUID = 8932717618579392561L;
+
+    public static final String NAME_TOKEN = "name";
+    public static final String VERSION_TOKEN = "version";
+
+    /**
+     * The default constructor creates a null concept key.
+     */
+    public PfKeyImpl() {
+        this(NULL_KEY_NAME, NULL_KEY_VERSION);
+    }
+
+    /**
+     * Copy constructor.
+     *
+     * @param copyConcept the concept to copy from
+     */
+    public PfKeyImpl(final PfKeyImpl copyConcept) {
+        super(copyConcept);
+        setName(copyConcept.getName());
+        setVersion(copyConcept.getVersion());
+    }
+
+    /**
+     * Constructor to create a key with the specified name and version.
+     *
+     * @param name the key name
+     * @param version the key version
+     */
+    public PfKeyImpl(@NonNull final String name, @NonNull final String version) {
+        super();
+        setName(name);
+        setVersion(version);
+    }
+
+    /**
+     * 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 PfKeyImpl(@NonNull final String id) {
+        // Check the incoming ID is valid
+        Assertions.validateStringParameter("id", id, getKeyIdRegEx());
+
+        // Split on colon, if the id passes the regular expression test above
+        // it'll have just one colon separating the name and version
+        // No need for range checks or size checks on the array
+        final String[] nameVersionArray = id.split(":");
+
+        // Return the new key
+        setName(nameVersionArray[0]);
+        setVersion(nameVersionArray[1]);
+    }
+
+    public abstract void setName(@NonNull final String name);
+
+    public abstract void setVersion(@NonNull final String version);
+
+    @Override
+    public PfKeyImpl getKey() {
+        return this;
+    }
+
+    @Override
+    public List<PfKey> getKeys() {
+        final List<PfKey> keyList = new ArrayList<>();
+        keyList.add(getKey());
+        return keyList;
+    }
+
+    @Override
+    public String getId() {
+        return getName() + ':' + getVersion();
+    }
+
+    @Override
+    public boolean isNullKey() {
+        return (PfKey.NULL_KEY_NAME.equals(getName()) && PfKey.NULL_KEY_VERSION.equals(getVersion()));
+    }
+
+    /**
+     * Determines if the version is "null".
+     *
+     * @return {@code true} if the version is null, {@code false} otherwise
+     */
+    public boolean isNullVersion() {
+        return PfKey.NULL_KEY_VERSION.equals(getVersion());
+    }
+
+    @Override
+    public PfKey.Compatibility getCompatibility(@NonNull final PfKey otherKey) {
+        if (!(otherKey instanceof PfKeyImpl)) {
+            return Compatibility.DIFFERENT;
+        }
+        final PfKeyImpl otherConceptKey = (PfKeyImpl) otherKey;
+
+        if (this.equals(otherConceptKey)) {
+            return Compatibility.IDENTICAL;
+        }
+        if (!this.getName().equals(otherConceptKey.getName())) {
+            return Compatibility.DIFFERENT;
+        }
+
+        final String[] thisVersionArray = getVersion().split("\\.");
+        final String[] otherVersionArray = otherConceptKey.getVersion().split("\\.");
+
+        // There must always be at least one element in each version
+        if (!thisVersionArray[0].equals(otherVersionArray[0])) {
+            return Compatibility.MAJOR;
+        }
+
+        if (thisVersionArray.length >= 2 && otherVersionArray.length >= 2
+                        && !thisVersionArray[1].equals(otherVersionArray[1])) {
+            return Compatibility.MINOR;
+        }
+
+        return Compatibility.PATCH;
+    }
+
+    @Override
+    public boolean isCompatible(@NonNull final PfKey otherKey) {
+        if (!(otherKey instanceof PfKeyImpl)) {
+            return false;
+        }
+        final PfKeyImpl otherConceptKey = (PfKeyImpl) otherKey;
+
+        final Compatibility compatibility = this.getCompatibility(otherConceptKey);
+
+        return !(compatibility == Compatibility.DIFFERENT || compatibility == Compatibility.MAJOR);
+    }
+
+    @Override
+    public boolean isNewerThan(@NonNull final PfKey otherKey) {
+        Assertions.instanceOf(otherKey, PfKeyImpl.class);
+
+        final PfKeyImpl otherConceptKey = (PfKeyImpl) otherKey;
+
+        if (this.equals(otherConceptKey)) {
+            return false;
+        }
+
+        if (!this.getName().equals(otherConceptKey.getName())) {
+            return this.getName().compareTo(otherConceptKey.getName()) > 0;
+        }
+
+        final String[] thisVersionArray = getVersion().split("\\.");
+        final String[] otherVersionArray = otherConceptKey.getVersion().split("\\.");
+
+        // There must always be at least one element in each version
+        if (!thisVersionArray[0].equals(otherVersionArray[0])) {
+            return Integer.valueOf(thisVersionArray[0]) > Integer.valueOf(otherVersionArray[0]);
+        }
+
+        if (thisVersionArray.length >= 2 && otherVersionArray.length >= 2
+                        && !thisVersionArray[1].equals(otherVersionArray[1])) {
+            return Integer.valueOf(thisVersionArray[1]) > Integer.valueOf(otherVersionArray[1]);
+        }
+
+        if (thisVersionArray.length >= 3 && otherVersionArray.length >= 3
+                        && !thisVersionArray[2].equals(otherVersionArray[2])) {
+            return Integer.valueOf(thisVersionArray[2]) > Integer.valueOf(otherVersionArray[2]);
+        }
+
+        return false;
+    }
+
+    @Override
+    public int getMajorVersion() {
+        final String[] versionArray = getVersion().split("\\.");
+
+        // There must always be at least one element in each version
+        return Integer.parseInt(versionArray[0]);
+    }
+
+    @Override
+    public int getMinorVersion() {
+        final String[] versionArray = getVersion().split("\\.");
+
+        if (versionArray.length >= 2) {
+            return Integer.parseInt(versionArray[1]);
+        }
+        else {
+            return 0;
+        }
+    }
+
+    @Override
+    public int getPatchVersion() {
+        final String[] versionArray = getVersion().split("\\.");
+
+        if (versionArray.length >= 3) {
+            return Integer.parseInt(versionArray[2]);
+        }
+        else {
+            return 0;
+        }
+    }
+
+    @Override
+    public PfValidationResult validate(final PfValidationResult result) {
+        final String nameValidationErrorMessage = Assertions.getStringParameterValidationMessage(NAME_TOKEN, getName(),
+                        getNameRegEx());
+        if (nameValidationErrorMessage != null) {
+            result.addValidationMessage(new PfValidationMessage(this, this.getClass(), ValidationResult.INVALID,
+                            "name invalid-" + nameValidationErrorMessage));
+        }
+
+        final String versionValidationErrorMessage = Assertions.getStringParameterValidationMessage(VERSION_TOKEN,
+                        getVersion(), getVersionRegEx());
+        if (versionValidationErrorMessage != null) {
+            result.addValidationMessage(new PfValidationMessage(this, this.getClass(), ValidationResult.INVALID,
+                            "version invalid-" + versionValidationErrorMessage));
+        }
+
+        return result;
+    }
+
+    @Override
+    public void clean() {
+        setName(getName());
+        setVersion(getVersion());
+    }
+
+    @Override
+    public int compareTo(@NonNull final PfConcept otherObj) {
+        Assertions.argumentNotNull(otherObj, "comparison object may not be null");
+
+        if (this == otherObj) {
+            return 0;
+        }
+        if (getClass() != otherObj.getClass()) {
+            return getClass().getName().compareTo(otherObj.getClass().getName());
+        }
+
+        final PfKeyImpl other = (PfKeyImpl) otherObj;
+
+        if (!getName().equals(other.getName())) {
+            return getName().compareTo(other.getName());
+        }
+        return getVersion().compareTo(other.getVersion());
+    }
+
+    /**
+     * Gets the regular expression used to validate a name.
+     *
+     * @return the regular expression used to validate a name
+     */
+    protected String getNameRegEx() {
+        return NAME_REGEXP;
+    }
+
+    /**
+     * Gets the regular expression used to validate a version.
+     *
+     * @return the regular expression used to validate a version
+     */
+    protected String getVersionRegEx() {
+        return VERSION_REGEXP;
+    }
+
+    /**
+     * Gets the regular expression used to validate a key id.
+     *
+     * @return the regular expression used to validate a key id
+     */
+    protected String getKeyIdRegEx() {
+        return KEY_ID_REGEXP;
+    }
+}
diff --git a/models-base/src/main/java/org/onap/policy/models/base/PfSearchableKey.java b/models-base/src/main/java/org/onap/policy/models/base/PfSearchableKey.java
new file mode 100644
index 000000000..bed1a3598
--- /dev/null
+++ b/models-base/src/main/java/org/onap/policy/models/base/PfSearchableKey.java
@@ -0,0 +1,111 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.base;
+
+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;
+
+/**
+ * A key that is used to search for other concept keys. The name field may contain a
+ * trailing ".*", to indicate wild-card matching.
+ */
+@Embeddable
+@Getter
+@EqualsAndHashCode(callSuper = false)
+public class PfSearchableKey extends PfKeyImpl {
+    private static final long serialVersionUID = 8932717618579392561L;
+
+    /** Regular expression to specify the structure of key names. */
+    public static final String WILDCARD_NAME_REGEXP = "^[A-Za-z0-9\\-_\\.]+(?:\\.\\*)?$";
+
+    @Column(name = NAME_TOKEN, length = 120)
+    private String name;
+
+    @Column(name = VERSION_TOKEN, length = 20)
+    private String version;
+
+    /**
+     * The default constructor creates a null key.
+     */
+    public PfSearchableKey() {
+        this(NULL_KEY_NAME, NULL_KEY_VERSION);
+    }
+
+    /**
+     * Copy constructor.
+     *
+     * @param copyKey the key to copy from
+     */
+    public PfSearchableKey(final PfSearchableKey copyKey) {
+        super(copyKey);
+    }
+
+    /**
+     * Constructor to create a key with the specified name and version.
+     *
+     * @param name the key name
+     * @param version the key version
+     */
+    public PfSearchableKey(final String name, final String version) {
+        super(name, version);
+    }
+
+    /**
+     * 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 PfSearchableKey(final String id) {
+        super(id);
+    }
+
+    public void setName(@NonNull final String name) {
+        this.name = Assertions.validateStringParameter(NAME_TOKEN, name, getNameRegEx());
+    }
+
+    public void setVersion(@NonNull final String version) {
+        this.version = Assertions.validateStringParameter(VERSION_TOKEN, version, getVersionRegEx());
+    }
+
+    /**
+     * Get a null key.
+     *
+     * @return a null key
+     */
+    public static final PfSearchableKey getNullKey() {
+        return new PfSearchableKey(PfKey.NULL_KEY_NAME, PfKey.NULL_KEY_VERSION);
+    }
+
+    @Override
+    protected String getNameRegEx() {
+        return WILDCARD_NAME_REGEXP;
+    }
+
+    @Override
+    public String toString() {
+        return "PfSearchableKey(name=" + getName() + ", version=" + getVersion() + ")";
+    }
+}