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Diffstat (limited to 'model/basic-model/src/main/java/org/onap/apex/model/basicmodel/concepts/AxModel.java')
| -rw-r--r-- | model/basic-model/src/main/java/org/onap/apex/model/basicmodel/concepts/AxModel.java | 471 |
1 files changed, 471 insertions, 0 deletions
diff --git a/model/basic-model/src/main/java/org/onap/apex/model/basicmodel/concepts/AxModel.java b/model/basic-model/src/main/java/org/onap/apex/model/basicmodel/concepts/AxModel.java new file mode 100644 index 000000000..f0489c734 --- /dev/null +++ b/model/basic-model/src/main/java/org/onap/apex/model/basicmodel/concepts/AxModel.java @@ -0,0 +1,471 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. 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.apex.model.basicmodel.concepts; + +import java.util.List; +import java.util.Set; +import java.util.TreeSet; + +import javax.persistence.CascadeType; +import javax.persistence.EmbeddedId; +import javax.persistence.Entity; +import javax.persistence.Inheritance; +import javax.persistence.InheritanceType; +import javax.persistence.JoinColumn; +import javax.persistence.JoinColumns; +import javax.persistence.OneToOne; +import javax.persistence.Table; +import javax.xml.bind.annotation.XmlAccessType; +import javax.xml.bind.annotation.XmlAccessorType; +import javax.xml.bind.annotation.XmlElement; +import javax.xml.bind.annotation.XmlRootElement; +import javax.xml.bind.annotation.XmlType; + +import org.onap.apex.model.basicmodel.concepts.AxValidationResult.ValidationResult; +import org.onap.apex.model.basicmodel.service.ModelService; +import org.onap.policy.apex.model.utilities.Assertions; + +/** + * This class is the base class for all models in Apex. All model classes inherit from this model so all models must have a key and have key information. + * <p> + * Validation checks that the model key is valid. It goes on to check for null keys and checks each key for uniqueness in the model. A check is carried out to + * ensure that an {@link AxKeyInfo} instance exists for every {@link AxArtifactKey} key. For each {@link AxReferenceKey} instance, a check is made that its + * parent and local name are nut null and that a {@link AxKeyInfo} entry exists for its parent. Then a check is made that each used {@link AxArtifactKey} and + * {@link AxReferenceKey} usage references a key that exists. Finally, a check is made to ensure that an {@link AxArtifactKey} instance exists for every + * {@link AxKeyInfo} instance. + */ + +@Entity +@Table(name = "AxModel") +@Inheritance(strategy = InheritanceType.TABLE_PER_CLASS) + +@XmlRootElement(name = "apexModel", namespace = "http://www.ericsson.com/apex") +@XmlAccessorType(XmlAccessType.FIELD) +@XmlType(name = "AxModel", namespace = "http://www.ericsson.com/apex", propOrder = { "key", "keyInformation" }) + +public class AxModel extends AxConcept { + private static final String IS_A_NULL_KEY = " is a null key"; + + private static final long serialVersionUID = -771659065637205430L; + + @EmbeddedId + @XmlElement(name = "key", required = true) + private AxArtifactKey key; + + // @formatter:off + @OneToOne(cascade = CascadeType.ALL) + @JoinColumns({ + @JoinColumn(name = "keyInformationName", referencedColumnName = "name"), + @JoinColumn(name = "keyInformationVersion", referencedColumnName = "version") + }) + @XmlElement(name = "keyInformation", required = true) + private AxKeyInformation keyInformation; + // @formatter:on + + /** + * The Default Constructor creates this concept with a NULL artifact key. + */ + public AxModel() { + this(new AxArtifactKey()); + } + + /** + * Copy constructor + * @param copyConcept the concept to copy from + */ + public AxModel(final AxModel copyConcept) { + super(copyConcept); + } + + /** + * Constructor to create this concept with the specified key. + * + * @param key the key of this concept + */ + public AxModel(final AxArtifactKey key) { + this(key, new AxKeyInformation(new AxArtifactKey(key.getName() + "_KeyInfo", key.getVersion()))); + } + + /** + * Constructor to create this concept and set all its fields. + * + * @param key the key of this concept + * @param keyInformation the key information of this concept + */ + public AxModel(final AxArtifactKey key, final AxKeyInformation keyInformation) { + super(); + Assertions.argumentNotNull(key, "key may not be null"); + Assertions.argumentNotNull(keyInformation, "keyInformation may not be null"); + + this.key = key; + this.keyInformation = keyInformation; + } + + /** + * Registers this model with the {@link ModelService}. All models are registered with the model service so that models can be references from anywhere in + * the Apex system without being passed as references through deep call chains. + */ + public void register() { + ModelService.registerModel(AxKeyInformation.class, getKeyInformation()); + } + + /* + * (non-Javadoc) + * + * @see com.ericsson.apex.model.basicmodel.concepts.AxConcept#getKey() + */ + @Override + public AxArtifactKey getKey() { + return key; + } + + /* + * (non-Javadoc) + * + * @see com.ericsson.apex.model.basicmodel.concepts.AxConcept#getKeys() + */ + @Override + public List<AxKey> getKeys() { + final List<AxKey> keyList = key.getKeys(); + + // We just add the key for the KeyInformation itself. We don't add the + // keys from key information because + // that is a list of key information for existing keys + keyList.add(keyInformation.getKey()); + + return keyList; + } + + /** + * Sets the key of this concept. + * + * @param key the key of this concept + */ + public void setKey(final AxArtifactKey key) { + Assertions.argumentNotNull(key, "key may not be null"); + this.key = key; + } + + /** + * Gets the key information of this concept. + * + * @return the key information of this concept + */ + public AxKeyInformation getKeyInformation() { + return keyInformation; + } + + /** + * Sets the key information of this concept. + * + * @param keyInformation the key information of this concept + */ + public void setKeyInformation(final AxKeyInformation keyInformation) { + Assertions.argumentNotNull(keyInformation, "keyInformation may not be null"); + this.keyInformation = keyInformation; + } + + /* + * (non-Javadoc) + * + * @see com.ericsson.apex.model.basicmodel.concepts.AxConcept#validate(com. ericsson.apex.model.basicmodel.concepts.AxValidationResult) + */ + @Override + public AxValidationResult validate(final AxValidationResult resultIn) { + AxValidationResult result = resultIn; + + if (key.equals(AxArtifactKey.getNullKey())) { + result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, "key is a null key")); + } + + result = key.validate(result); + result = keyInformation.validate(result); + + // Key consistency check + final Set<AxArtifactKey> artifactKeySet = new TreeSet<>(); + final Set<AxReferenceKey> referenceKeySet = new TreeSet<>(); + final Set<AxKeyUse> usedKeySet = new TreeSet<>(); + + for (final AxKey axKey : this.getKeys()) { + // Check for the two type of keys we have + if (axKey instanceof AxArtifactKey) { + result = validateArtifactKeyInModel((AxArtifactKey) axKey, artifactKeySet, result); + } + else if (axKey instanceof AxReferenceKey) { + result = validateReferenceKeyInModel((AxReferenceKey) axKey, referenceKeySet, result); + } + // It must be an AxKeyUse, nothing else is legal + else { + usedKeySet.add((AxKeyUse) axKey); + } + } + + // Check all reference keys have correct parent keys + for (final AxReferenceKey referenceKey : referenceKeySet) { + if (!artifactKeySet.contains(referenceKey.getParentArtifactKey())) { + result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, + "parent artifact key not found for reference key " + referenceKey)); + } + } + + result = validateKeyUses(usedKeySet, artifactKeySet, referenceKeySet, result); + + // Check key information for unused key information + for (final AxArtifactKey keyInfoKey : keyInformation.getKeyInfoMap().keySet()) { + if (!artifactKeySet.contains(keyInfoKey)) { + result.addValidationMessage( + new AxValidationMessage(keyInfoKey, this.getClass(), ValidationResult.WARNING, "key not found for key information entry")); + } + } + + return result; + } + + /** + * Check for consistent usage of an artifact key in the model + * @param artifactKey The artifact key to check + * @param artifactKeySet The set of artifact keys encountered so far, this key is appended to the set + * @param result The validation result to append to + * @return the result of the validation + */ + private AxValidationResult validateArtifactKeyInModel(final AxArtifactKey artifactKey, Set<AxArtifactKey> artifactKeySet, AxValidationResult result) { + // Null key check + if (artifactKey.equals(AxArtifactKey.getNullKey())) { + result.addValidationMessage( + new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, "key " + artifactKey + IS_A_NULL_KEY)); + } + + // Null key name start check + if (artifactKey.getName().toUpperCase().startsWith(AxKey.NULL_KEY_NAME)) { + result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, + "key " + artifactKey + " name starts with keyword " + AxKey.NULL_KEY_NAME)); + } + + // Unique key check + if (artifactKeySet.contains(artifactKey)) { + result.addValidationMessage( + new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, "duplicate key " + artifactKey + " found")); + } + else { + artifactKeySet.add(artifactKey); + } + + // Key information check + if (!keyInformation.getKeyInfoMap().containsKey(artifactKey)) { + result.addValidationMessage( + new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, "key information not found for key " + artifactKey)); + } + + return result; + } + + /** + * Check for consistent usage of a reference key in the model + * @param artifactKey The reference key to check + * @param referenceKeySet The set of reference keys encountered so far, this key is appended to the set + * @param result The validation result to append to + * @return the result of the validation + */ + private AxValidationResult validateReferenceKeyInModel(final AxReferenceKey referenceKey, Set<AxReferenceKey> referenceKeySet, AxValidationResult result) { + // Null key check + if (referenceKey.equals(AxReferenceKey.getNullKey())) { + result.addValidationMessage( + new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, "key " + referenceKey + IS_A_NULL_KEY)); + } + + // Null parent key check + if (referenceKey.getParentArtifactKey().equals(AxArtifactKey.getNullKey())) { + result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, + "parent artifact key of key " + referenceKey + IS_A_NULL_KEY)); + } + + // Null local name check + if (referenceKey.getLocalName().equals(AxKey.NULL_KEY_NAME)) { + result.addValidationMessage( + new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, "key " + referenceKey + " has a null local name")); + } + + // Null key name start check + if (referenceKey.getParentArtifactKey().getName().toUpperCase().startsWith(AxKey.NULL_KEY_NAME)) { + result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, + "key " + referenceKey + " parent name starts with keyword " + AxKey.NULL_KEY_NAME)); + } + + // Unique key check + if (referenceKeySet.contains(referenceKey)) { + result.addValidationMessage( + new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, "duplicate key " + referenceKey + " found")); + } + else { + referenceKeySet.add(referenceKey); + } + + // Key information check + if (!keyInformation.getKeyInfoMap().containsKey(referenceKey.getParentArtifactKey())) { + result.addValidationMessage(new AxValidationMessage(key, this.getClass(), ValidationResult.INVALID, + "key information not found for parent key of key " + referenceKey)); + } + + return result; + } + + /** + * Check for consistent usage of cross-key references in the model + * @param usedKeySet The set of all keys used in the model + * @param artifactKeySet The set of artifact keys encountered so far, this key is appended to the set + * @param referenceKeySet The set of reference keys encountered so far, this key is appended to the set + * @param result The validation result to append to + * @return the result of the validation + */ + private AxValidationResult validateKeyUses(final Set<AxKeyUse> usedKeySet, final Set<AxArtifactKey> artifactKeySet, + final Set<AxReferenceKey> referenceKeySet, AxValidationResult result) { + // Check all key uses + for (final AxKeyUse usedKey : usedKeySet) { + if (usedKey.getKey() instanceof AxArtifactKey) { + // AxArtifact key usage, check the key exists + if (!artifactKeySet.contains(usedKey.getKey())) { + result.addValidationMessage(new AxValidationMessage(usedKey.getKey(), this.getClass(), ValidationResult.INVALID, + "an artifact key used in the model is not defined")); + } + } + else { + // AxReference key usage, check the key exists + if (!referenceKeySet.contains(usedKey.getKey())) { + result.addValidationMessage(new AxValidationMessage(usedKey.getKey(), this.getClass(), ValidationResult.INVALID, + "a reference key used in the model is not defined")); + } + } + } + + return result; + } + + + /* + * (non-Javadoc) + * + * @see com.ericsson.apex.model.basicmodel.concepts.AxConcept#clean() + */ + @Override + public void clean() { + key.clean(); + keyInformation.clean(); + } + + /* + * (non-Javadoc) + * + * @see com.ericsson.apex.model.basicmodel.concepts.AxConcept#toString() + */ + @Override + public String toString() { + final StringBuilder builder = new StringBuilder(); + builder.append(this.getClass().getSimpleName()); + builder.append(":("); + builder.append("key="); + builder.append(key); + builder.append(",keyInformation="); + builder.append(keyInformation); + builder.append(")"); + return builder.toString(); + } + + /* + * (non-Javadoc) + * + * @see com.ericsson.apex.model.basicmodel.concepts.AxConcept#copyTo(com.ericsson.apex.model.basicmodel.concepts.AxConcept) + */ + @Override + public AxConcept copyTo(final AxConcept target) { + Assertions.argumentNotNull(target, "target may not be null"); + + final Object copyObject = target; + Assertions.instanceOf(copyObject, AxModel.class); + + final AxModel copy = ((AxModel) copyObject); + copy.setKey(new AxArtifactKey(key)); + copy.setKeyInformation(new AxKeyInformation(keyInformation)); + + return copy; + } + + /* + * (non-Javadoc) + * + * @see com.ericsson.apex.model.basicmodel.concepts.AxConcept#hashCode() + */ + @Override + public int hashCode() { + final int prime = 31; + int result = 1; + result = prime * result + key.hashCode(); + result = prime * result + keyInformation.hashCode(); + return result; + } + + /* + * (non-Javadoc) + * + * @see com.ericsson.apex.model.basicmodel.concepts.AxConcept#equals(java.lang. Object) + */ + @Override + public boolean equals(final Object obj) { + if (obj == null) { + return false; + } + if (this == obj) { + return true; + } + if (getClass() != obj.getClass()) { + return false; + } + + final AxModel other = (AxModel) obj; + if (!key.equals(other.key)) { + return false; + } + return keyInformation.equals(other.keyInformation); + } + + /* + * (non-Javadoc) + * + * @see java.lang.Comparable#compareTo(java.lang.Object) + */ + @Override + public int compareTo(final AxConcept otherObj) { + if (otherObj == null) { + return -1; + } + if (this == otherObj) { + return 0; + } + if (getClass() != otherObj.getClass()) { + return this.hashCode() - otherObj.hashCode(); + } + + final AxModel other = (AxModel) otherObj; + if (!key.equals(other.key)) { + return key.compareTo(other.key); + } + return keyInformation.compareTo(other.keyInformation); + } +} |