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This framework allows edits to be defined in Groovy and to be executed on various data types.
/*
* Copyright (C) 2007 Information Management Services, Inc.
*/
package com.imsweb.validation.entities;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;
import java.util.regex.Pattern;
import org.codehaus.groovy.control.CompilationFailedException;
import com.imsweb.validation.ConstructionException;
import com.imsweb.validation.ValidationServices;
import com.imsweb.validation.runtime.ParsedContexts;
import com.imsweb.validation.runtime.ParsedLookups;
import com.imsweb.validation.runtime.ParsedProperties;
import com.imsweb.validation.runtime.RuntimeUtils;
/**
* A Rule is the smallest entity in the validation engine. It defines
* an expression that is evaluated and reported if it fails. Rules are wrapped into
* {@link Validator}; they can be tied to a {@link Condition}.
*
* Created on Nov 9, 2007 by depryf
*/
@SuppressWarnings("unused")
public class Rule {
private static final Pattern _MESSAGE_PATTERN = Pattern.compile("\r?\n");
/**
* DB ID for this rule
*/
protected Long _ruleId;
/**
* Application ID (like a display ID) for this rule
*/
protected String _id;
/**
* Name for this rule
*/
protected String _name;
/**
* tag for this rule (tags are used in the Genedits framework)
*/
protected String _tag;
/**
* Java path for this rule
*/
protected String _javaPath;
/**
* Severity for this rule
*/
protected Integer _severity;
/**
* Failure message for this rule
*/
protected String _message;
/**
* Expression to evaluate for this rule
*/
protected String _expression;
/**
* Description for this rule
*/
protected String _description;
/**
* History for this rule
*/
protected Set _histories;
/**
* Parent Validator
*/
protected Validator _validator;
/**
* Category ID.
*/
protected String _category;
/**
* Condition IDs.
*/
protected Set _conditions;
/**
* Operator (AND or OR) to use for the set of conditions.
*/
protected Boolean _useAndForConditions;
/**
* Rule IDs on which this rule depends
*/
protected Set _dependencies;
/**
* Rule IDs that depends on this rule
*/
protected Set _invertedDependencies;
/**
* Set of properties contained in this rule; as their appear in the textual expression of the rule
*/
protected Set _usedProperties;
/**
* Set of lookup IDs used in this rule; as their appear in the textual expression of the rule
*/
protected Set _usedLookupIds;
/**
* Set of used context keys.
*/
protected Set _usedContextKeys;
/**
* If set to true, the rule won't be executed when validating a validatable, unless the rule is explicitly forced (default to false, should never be null)
*/
protected Boolean _ignored;
/**
* Agency (used for translated edits only)
*/
protected String _agency;
/**
* Whether the failures from this rule can be overridden or not; this field is not used in this library and was added for other projects using the library.
*/
protected Byte _allowOverride;
/**
* Whether this rule needs to be reviewed or not; this field is not used in this library and was added for other projects using the library.
*/
protected Boolean _needsReview;
/**
* Import edit flag; this field is not used in this library and was added for other projects using the library.
*/
protected Byte _importEditFlag;
/**
* Constructor.
*
* Created on Nov 9, 2007 by depryf
*/
public Rule() {
_conditions = new HashSet<>();
_histories = new HashSet<>();
_dependencies = new HashSet<>();
_invertedDependencies = new HashSet<>();
_usedProperties = new HashSet<>();
_usedLookupIds = new HashSet<>();
_usedContextKeys = new HashSet<>();
_ignored = Boolean.FALSE;
_useAndForConditions = Boolean.TRUE;
_needsReview = Boolean.FALSE;
}
/**
* Getter for the rule persistence ID. Must be unique within the validation engine.
*
* In a system persisting the rules in a database, that would represent a database primary key.
* In a system using only memory objects loaded from XML, it should be assigned using the
* getNextRuleSequence() method in ValidationServices.
*
* Created on Mar 10, 2011 by depryf
* @return the rule persistence ID
*/
public Long getRuleId() {
return _ruleId;
}
/**
* Setter for the rule persistence ID. Must be unique within the validation engine.
*
* In a system persisting the rules in a database, that would represent a database primary key.
* In a system using only memory objects loaded from XML, it should be assigned using the
* getNextRuleSequence() method in ValidationServices.
*
* Created on Mar 10, 2011 by depryf
* @param ruleId rule persistence ID
*/
public void setRuleId(Long ruleId) {
_ruleId = ruleId;
}
/**
* Getter for the ID. The rule ID must be unique within the validation engine.
*
* Created on Mar 10, 2011 by depryf
* @return the rule ID
*/
public String getId() {
return _id;
}
/**
* Setter for the ID. The rule ID must be unique within the validation engine.
*
* Created on Mar 10, 2011 by depryf
* @param id the rule ID
*/
public void setId(String id) {
_id = id;
}
/**
* Getter for the name.
*
* Created on Mar 10, 2011 by depryf
* @return the rule name
*/
public String getName() {
return _name;
}
/**
* Setter for the name.
*
* Created on Mar 10, 2011 by depryf
* @param name the rule name
*/
public void setName(String name) {
_name = name;
}
/**
* Getter for the tag.
*
* Created on May 19, 2017 by depryf
* @return the rule tag
*/
public String getTag() {
return _tag;
}
/**
* Setter for the tag.
*
* Created on May 19, 2017 by depryf
* @param tag the rule tag
*/
public void setTag(String tag) {
_tag = tag;
}
/**
* Getter for the java path.
*
* Created on Mar 10, 2011 by depryf
* @return the rule java path
*/
public String getJavaPath() {
return _javaPath;
}
/**
* Setter for the java path.
*
* Created on Mar 10, 2011 by depryf
* @param path the java path, cannot be null or blank
*/
public void setJavaPath(String path) {
_javaPath = path;
}
/**
* Getter for the severity (the meaning of the severity is application-dependent; the severity is not used by the validation engine).
*
* Created on Mar 10, 2011 by depryf
* @return the rule severity
*/
public Integer getSeverity() {
return _severity;
}
/**
* Setter for the severity (the meaning of the severity is application-dependent; the severity is not used by the validation engine).
*
* Created on Mar 10, 2011 by depryf
* @param severity the rule severity
*/
public void setSeverity(Integer severity) {
_severity = severity;
}
/**
* Getter for the failure message.
*
* Created on Mar 10, 2011 by depryf
* @return the rule failure message
*/
public String getMessage() {
return _message;
}
/**
* Setter for the failure message.
*
* Created on Mar 10, 2011 by depryf
* @param message the rule failure message
*/
public void setMessage(String message) {
if (message != null)
message = _MESSAGE_PATTERN.matcher(message).replaceAll(" ").trim();
_message = message;
}
/**
* Getter for the expression (Groovy script).
*
* Created on Mar 10, 2011 by depryf
* @return the rule expression
*/
public String getExpression() {
return _expression;
}
/**
* Setter for the expression (Groovy script).
*
* This method will compile the script and gather the used properties, context entries and lookup IDs.
*
* Created on Mar 10, 2011 by depryf
* @param expression the rule expression
* @throws ConstructionException if the expression is not valid Groovy
*/
public void setExpression(String expression) throws ConstructionException {
if (!Objects.equals(expression, _expression)) {
_expression = expression;
synchronized (this) {
try {
_usedProperties.clear();
_usedContextKeys.clear();
_usedLookupIds.clear();
ValidationServices.getInstance().parseExpression("rule", _expression, _usedProperties, _usedContextKeys, _usedLookupIds);
}
catch (CompilationFailedException e) {
throw new ConstructionException("Unable to parse rule " + getId(), e);
}
}
}
}
/**
* Setter for the expression taking pre-parsed objects for optimization.
*/
public void setExpression(String expression, ParsedProperties parsedProperties, ParsedContexts parsedContexts, ParsedLookups parsedLookups) throws ConstructionException {
// we are going to use the pre-parsed stuff only if they are all available, otherwise we don't use any of them...
Set properties = RuntimeUtils.getParsedProperties(parsedProperties, _id);
Set contexts = RuntimeUtils.getParsedContexts(parsedContexts, _id);
Set lookups = RuntimeUtils.getParsedLookups(parsedLookups, _id);
if (properties != null && contexts != null && lookups != null) {
_expression = expression;
_usedProperties = properties;
_usedContextKeys = contexts;
_usedLookupIds = lookups;
}
else
setExpression(expression);
}
/**
* Getter for the description.
*
* Created on Mar 10, 2011 by depryf
* @return the rule description
*/
public String getDescription() {
return _description;
}
/**
* Setter for the description.
*
* Created on Mar 10, 2011 by depryf
* @param description the rule description
*/
public void setDescription(String description) {
_description = description;
}
/**
* Getter for the RuleHistorys.
*
* Created on Mar 10, 2011 by depryf
* @return the set of RuleHistory, maybe empty but never null
*/
public Set getHistories() {
return _histories;
}
/**
* Setter for the RuleHistorys.
*
* Created on Mar 10, 2011 by depryf
* @param histories the set of RuleHistory
*/
public void setHistories(Set histories) {
_histories = histories == null ? new HashSet<>() : histories;
}
/**
* Getter for the category.
*
* Created on Mar 10, 2011 by depryf
* @return the category, maybe null
*/
public String getCategory() {
return _category;
}
/**
* Setter for the category.
*
* Created on Mar 10, 2011 by depryf
* @param category category
*/
public void setCategory(String category) {
_category = category;
}
/**
* Getter for the conditions.
*
* Created on Mar 10, 2011 by depryf
* @return the conditions, maybe null
*/
public Set getConditions() {
return _conditions;
}
/**
* Setter for the conditions.
*
* Created on Mar 10, 2011 by depryf
* @param conditions conditions
*/
public void setConditions(Set conditions) {
_conditions = conditions;
}
/**
* Getter for the properties used in the expression.
*
* Created on Mar 10, 2011 by depryf
* @return the set of properties, maybe empty but never null
*/
public Set getUsedProperties() {
return _usedProperties;
}
/**
* Setter for the properties used in the expression.
*
* Created on Mar 10, 2011 by depryf
* @param usedProperties used properties
*/
public void setUsedProperties(Set usedProperties) {
_usedProperties = usedProperties;
}
/**
* Getter for the lookup IDs used in the expression.
*
* Created on Mar 10, 2011 by depryf
* @return the set of used lookup IDs, maybe empty but never null
*/
public Set getUsedLookupIds() {
return _usedLookupIds;
}
/**
* Setter for the the lookup IDs used in the expression.
*
* Created on Mar 10, 2011 by depryf
* @param usedLookupIds used lookup IDs
*/
public void setUsedLookupIds(Set usedLookupIds) {
_usedLookupIds = usedLookupIds;
}
/**
* Getter for the dependencies (the rule IDs on which this rule depends).
*
* Created on Mar 10, 2011 by depryf
* @return the set of dependencies, maybe empty but never null
*/
public Set getDependencies() {
return _dependencies;
}
/**
* Setter for the dependencies (the rule IDs on which this rule depends).
*
* Created on Mar 10, 2011 by depryf
* @param dependencies the set of dependencie
*/
public void setDependencies(Set dependencies) {
_dependencies = dependencies == null ? new HashSet<>() : dependencies;
}
/**
* Getter for the inverted dependencies (the rule IDs that depend on this rule).
*
* Created on Mar 10, 2011 by depryf
* @return the set of inverted dependencies, maybe empty but never null
*/
public Set getInvertedDependencies() {
return _invertedDependencies;
}
/**
* Setter for the inverted dependencies (the rule IDs that depend on this rule).
*
* Created on Mar 10, 2011 by depryf
* @param invertedDependencies the set of inverted dependencies
*/
public void setInvertedDependencies(Set invertedDependencies) {
_invertedDependencies = invertedDependencies == null ? new HashSet<>() : invertedDependencies;
}
/**
* Setter for the parent Validator.
* @param validator validator
*/
public void setValidator(Validator validator) {
_validator = validator;
}
/**
* Getter for the parent Validator.
*
* Created on Mar 10, 2011 by depryf
* @return a Validator
*/
public Validator getValidator() {
return _validator;
}
/**
* Getter for the ignored flag.
*
* Created on Mar 10, 2011 by depryf
* @return true if the rule is ignored
*/
public Boolean getIgnored() {
return _ignored;
}
/**
* Setter for the ignored flag.
*
* Created on Mar 10, 2011 by depryf
* @param ignored the ignored flag to set
*/
public void setIgnored(Boolean ignored) {
_ignored = ignored == null ? Boolean.FALSE : ignored;
}
/**
* Getter for the condition operator.
*
* Created on Mar 10, 2011 by depryf
* @return true if the conditions should be AND'ed, false otherwise
*/
public Boolean getUseAndForConditions() {
return _useAndForConditions;
}
/**
* Setter for the condition operator.
*
* Created on Mar 10, 2011 by depryf
* @param useAndForConditions true if the conditions should be AND'ed, false otherwise
*/
public void setUseAndForConditions(Boolean useAndForConditions) {
_useAndForConditions = useAndForConditions == null ? Boolean.TRUE : useAndForConditions;
}
/**
* Getter for the context entries referenced in the expression.
*
* Created on Mar 10, 2011 by depryf
* @return the set of potential context entries, maybe empty but never null
*/
public Set getUsedContextKeys() {
return _usedContextKeys;
}
/**
* Setter for the context entries referenced in the expression.
*
* Created on Mar 10, 2011 by depryf
* @param usedContextKeys used lookup IDs
*/
public void setUsedContextKeys(Set usedContextKeys) {
_usedContextKeys = usedContextKeys;
}
/**
* Getter
*
* Created on Mar 10, 2011 by depryf
* @return the agency
*/
public String getAgency() {
return _agency;
}
/**
* Setter
*
* Created on Mar 10, 2011 by depryf
* @param agency the agency
*/
public void setAgency(String agency) {
_agency = agency;
}
/**
* Getter
*
* Created on Mar 10, 2011 by depryf
* @return whether override is allowed
*/
public Byte getAllowOverride() {
return _allowOverride;
}
/**
* Setter
*
* Created on Mar 10, 2011 by depryf
* @param allowOverride whether override is allowed
*/
public void setAllowOverride(Byte allowOverride) {
_allowOverride = allowOverride;
}
/**
* Getter
*
* Created on Mar 10, 2011 by depryf
* @return whether this rule needs to be reviewed
*/
public Boolean getNeedsReview() {
return _needsReview;
}
/**
* Setter
*
* Created on Mar 10, 2011 by depryf
* @param needsReview whether this rule needs to be reviewed
*/
public void setNeedsReview(Boolean needsReview) {
_needsReview = needsReview;
}
/**
* Getter
*
* Created on Jun 28, 2021 by depryf
* @return whether this rule is an "import" edit
*/
public Byte getImportEditFlag() {
return _importEditFlag;
}
/**
* Setter
*
* Created on Jun 28, 2021 by depryf
* @param importEditFlag whether this rule is an "import" edit
*/
public void setImportEditFlag(Byte importEditFlag) {
_importEditFlag = importEditFlag;
}
@Override
public String toString() {
return getId() + " {" + getMessage() + "}";
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof Rule)) return false;
Rule rule = (Rule)o;
if (_ruleId != null && rule._ruleId != null)
return Objects.equals(_ruleId, rule._ruleId);
return Objects.equals(_id, rule._id);
}
@Override
public int hashCode() {
if (_ruleId != null)
return Objects.hash(_ruleId);
return Objects.hash(_id);
}
}
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