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package org.onap.sdc.dcae.checker.common;
import org.onap.sdc.dcae.checker.*;
import java.util.List;
import java.util.Map;
import static org.onap.sdc.dcae.checker.common.ConstCommon.IS_NONE_OF_THOSE;
import static org.onap.sdc.dcae.checker.common.ConstCommon.PROPERTIES;
import static org.onap.sdc.dcae.checker.common.ConstCommon.TARGETS_CONSTANT;
public class PolicyCommon extends BaseCommon {
private static PolicyCommon instance;
public synchronized static PolicyCommon getInstance() {
if (instance == null)
{
instance = new PolicyCommon();
}
return instance;
}
private PolicyCommon() {}
public void checkPolicyTypeDefinition(String theName,
Map theDefinition,
Checker.CheckContext theContext,
Catalog catalog,
Target target) {
PropertiesCommon propertiesCommon = PropertiesCommon.getInstance();
FacetCommon facetCommon = FacetCommon.getInstance();
theContext.enter(theName, Construct.Policy);
try {
if (!CheckCommon.getInstance().checkDefinition(theName, theDefinition, theContext)) {
return;
}
if (theDefinition.containsKey(PROPERTIES)) {
propertiesCommon.checkProperties(
(Map<String, Map>) theDefinition.get(PROPERTIES), theContext, catalog);
facetCommon.checkTypeConstructFacet(Construct.Policy, theName, theDefinition,
Facet.properties, theContext, catalog);
}
//the targets can be known node types or group types
List<String> targets = (List<String>) theDefinition.get(TARGETS_CONSTANT);
if ((targets != null) && (CheckCommon.getInstance().checkDefinition(TARGETS_CONSTANT, targets, theContext))) {
for (String targetItr : targets) {
if (!(catalog.hasType(Construct.Node, targetItr) ||
catalog.hasType(Construct.Group, targetItr))) {
theContext.addError("The 'targets' entry must contain a reference to a node type or group type, '" + target + IS_NONE_OF_THOSE, null);
}
}
}
} finally {
theContext.exit();
}
}
public void checkPolicyDefinition(String theName,
Map theDef,
Checker.CheckContext theContext,
Catalog catalog,
Target target)
{
FacetCommon facetCommon = FacetCommon.getInstance();
TypeCommon typeCommon = TypeCommon.getInstance();
theContext.enter(theName);
try {
if (!CheckCommon.getInstance().checkDefinition(theName, theDef, theContext)) {
return;
}
if (!typeCommon.checkType(Construct.Policy, theDef, theContext, catalog)) {
return;
}
if (!facetCommon.checkFacet(Construct.Policy, theDef, Facet.properties, theContext, catalog)) {
return;
}
//targets: must point to node or group templates (that are of a type
//specified in the policy type definition, if targets were specified
//there).
if (theDef.containsKey(TARGETS_CONSTANT)) {
List<String> targetsTypes = (List<String>)
catalog.getTypeDefinition(Construct.Policy,
(String) theDef.get("type"))
.get(TARGETS_CONSTANT);
List<String> targets = (List<String>) theDef.get(TARGETS_CONSTANT);
for (String targetItr : targets) {
Construct targetConstruct = null;
if (catalog.hasTemplate(theContext.target(), Construct.Group, targetItr)) {
targetConstruct = Construct.Group;
} else if (catalog.hasTemplate(theContext.target(), Construct.Node, targetItr)) {
targetConstruct = Construct.Node;
} else {
theContext.addError("The 'targets' entry must contain a reference to a node template or group template, '" + target + IS_NONE_OF_THOSE, null);
}
if (targetConstruct != null &&
targetsTypes != null) {
//get the target type and make sure is compatible with the types
//indicated in the type spec
String targetType = (String)
catalog.getTemplate(theContext.target(), targetConstruct, targetItr).get("type");
boolean found = false;
for (String type : targetsTypes) {
found = catalog
.isDerivedFrom(targetConstruct, targetType, type);
if (found) {
break;
}
}
if (!found) {
theContext.addError("The 'targets' " + targetConstruct + " entry '" + targetItr + "' is not type compatible with any of types specified in policy type targets", null);
}
}
}
}
} finally {
theContext.exit();
}
}
}
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