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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-18 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.aai.edges;
import java.util.EnumMap;
import java.util.Map;
import org.apache.tinkerpop.gremlin.structure.Direction;
import org.onap.aai.edges.enums.*;
/**
* Container for A&AI edge rule information
*/
public class EdgeRule {
private String from;
private String to;
private String label;
private Direction direction;
private MultiplicityRule multiplicityRule;
private Map<EdgeProperty, AAIDirection> edgeFields;
private boolean isDefaultEdge;
private String description;
private boolean isPrivateEdge = false;
/**
* Instantiates a new edge rule.
*
* @param fieldVals - Map<String, String> where first string is
* an EdgeField value and second string is the
* value of that field
*/
public EdgeRule(Map<String, String> fieldVals) {
edgeFields = new EnumMap<>(EdgeProperty.class);
from = fieldVals.get(EdgeField.FROM.toString());
to = fieldVals.get(EdgeField.TO.toString());
label = fieldVals.get(EdgeField.LABEL.toString());
direction = Direction.valueOf(fieldVals.get(EdgeField.DIRECTION.toString()));
multiplicityRule = MultiplicityRule.getValue(fieldVals.get(EdgeField.MULTIPLICITY.toString()));
isPrivateEdge = Boolean.parseBoolean(fieldVals.getOrDefault(EdgeField.PRIVATE.toString(), "false"));
for (EdgeProperty prop : EdgeProperty.values()) {
String rawVal = fieldVals.get(prop.toString());
edgeFields.put(prop, convertNotation(direction, rawVal));
}
isDefaultEdge = Boolean.parseBoolean(fieldVals.get(EdgeField.DEFAULT.toString()));
description = fieldVals.get(EdgeField.DESCRIPTION.toString());
if (description == null) { // bc description is optional and not in v12 and earlier
description = "";
}
}
// Copy Constructor
public EdgeRule(EdgeRule edgeRule) {
this.from = edgeRule.from;
this.to = edgeRule.to;
this.label = edgeRule.label;
this.direction = Direction.valueOf(edgeRule.direction.toString());
this.multiplicityRule = MultiplicityRule.valueOf(edgeRule.multiplicityRule.toString());
this.edgeFields = new EnumMap<>(edgeRule.edgeFields);
this.isDefaultEdge = edgeRule.isDefaultEdge;
this.description = edgeRule.description;
this.isPrivateEdge = edgeRule.isPrivateEdge;
}
/**
* Converts whatever string was in the json for an edge property value into
* the appropriate AAIDirection
*
* @param Direction dir - the edge direction
* @param String rawVal - property value from the json, may be
* IN, OUT, BOTH, NONE, ${direction}, or !${direction}
* @return AAIDirection - IN/OUT/BOTH/NONE if that's the rawVal, or
* translates the direction notation into the correct IN/OUT
*/
private AAIDirection convertNotation(Direction dir, String rawVal) {
if (AAIDirection.NONE.toString().equalsIgnoreCase(rawVal)) {
return AAIDirection.NONE;
} else if (AAIDirection.BOTH.toString().equalsIgnoreCase(rawVal)) {
return AAIDirection.BOTH;
} else if (AAIDirection.OUT.toString().equalsIgnoreCase(rawVal)) {
return AAIDirection.OUT;
} else if (AAIDirection.IN.toString().equalsIgnoreCase(rawVal)) {
return AAIDirection.IN;
}
DirectionNotation rawDN = DirectionNotation.getValue(rawVal);
if (DirectionNotation.DIRECTION.equals(rawDN)) {
return AAIDirection.getValue(dir);
} else {
return AAIDirection.getValue(dir.opposite());
}
}
/**
* Gets the name of the node type in the "from" field
*
* @return String nodetype
*/
public String getFrom() {
return from;
}
/**
* Gets the name of the node type in the "to" field
*
* @return String nodetype
*/
public String getTo() {
return to;
}
/**
* Gets the edge label
*
* @return String label
*/
public String getLabel() {
return label;
}
/**
* Gets the multiplicity rule.
*
* @return MultiplicityRule
*/
public MultiplicityRule getMultiplicityRule() {
return multiplicityRule;
}
/**
* Gets the edge direction
*
* @return Direction
*/
public Direction getDirection() {
return direction;
}
/**
* Gets the value of contains-other-v
*
* @return the value of contains-other-v
*/
public String getContains() {
return edgeFields.get(EdgeProperty.CONTAINS).toString();
}
/**
* Gets the value of delete-other-v
*
* @return the value of delete-other-v
*/
public String getDeleteOtherV() {
return edgeFields.get(EdgeProperty.DELETE_OTHER_V).toString();
}
/**
* Gets the value of the prevent-delete property
*
* @return String prevent-delete property value
*/
public String getPreventDelete() {
return edgeFields.get(EdgeProperty.PREVENT_DELETE).toString();
}
/**
* Returns if this rule is a default or not
*
* @return boolean
*/
public boolean isDefault() {
return isDefaultEdge;
}
/**
* Gets the description on the edge rule (if there is one)
*
* @return String description
*/
public String getDescription() {
return this.description;
}
/**
* Flips the direction value
* IN -> OUT
* OUT -> IN
* BOTH -> BOTH
*/
public void flipDirection() {
if (Direction.OUT.equals(direction)) {
direction = Direction.IN;
} else if (Direction.IN.equals(direction)) {
direction = Direction.OUT;
}
// else BOTH just stays the same
}
public boolean isPrivateEdge() {
return isPrivateEdge;
}
public void setPrivateEdge(boolean privateEdge) {
isPrivateEdge = privateEdge;
}
public void setPrivateEdge(String isPrivateEdge) {
this.isPrivateEdge = "true".equals(isPrivateEdge);
}
}
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