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Criterion.groovy @ 1457

Revision 1457, 7.7 KB (checked in by work@…, 3 years ago)
- fixed missing imports caused by Intellij's smart refactoring... guess it's not that smart after all :)
Property svn:keywords set to `Rev Author Date`

Line
1	package dbnp.query
2
3	import java.text.SimpleDateFormat
4	import org.dbnp.gdt.*
5
6	/**
7	* Available operators for criteria
8	* @author robert
9	*
10	*/
11	enum Operator {
12	equals, contains, gte, gt, lte, lt
13	}
14
15	/**
16	* Represents a criterion to search on
17	* @author robert
18	*
19	*/
20	class Criterion {
21	public String entity
22	public String field
23	public Operator operator
24	public def value
25
26	/**
27	* Checks if the given object (with template) that satisfies the given criterion.
28	*
29	* @param entity Entity to check for criterion satisfaction. Should be a child of template entity
30	* @param criterion Criterion to match on
31	* @return True iff there the entity satisfies the given criterion.
32	*/
33	public boolean matchOne( TemplateEntity entity ) {
34	try {
35	def fieldValue
36	if( field == "Template" ) {
37	fieldValue = entity.template?.name
38	} else {
39	fieldValue = Search.prepare( entity.getFieldValue( field ), entity.giveFieldType( field ) )
40	}
41
42	return this.match( fieldValue );
43	} catch( Exception e ) {
44	// An exception occurs if the given field doesn't exist. In that case, this criterion will fail.
45	// TODO: Maybe give the user a choice whether he want's to include these studies or not
46	return false;
47	}
48	}
49
50	/**
51	* Checks for all entities in the given entityList, if there is any object that satisfies the given criterion.
52	*
53	* @param entityList List with entities. The entities should be child classes of TemplateEntity
54	* @param criterion Criterion to match on
55	* @return True iff there is any entity in the list that satisfies the given criterion.
56	*/
57	public boolean matchAny( List entityList ) {
58	for( entity in entityList ) {
59	if( matchOne( entity ) )
60	return true;
61	}
62	return false;
63	}
64
65	/**
66	* Checks for all entities in the given entityList, if all objects satisfy the given criterion.
67	*
68	* @param entityList List with entities. The entities should be child classes of TemplateEntity
69	* @param criterion Criterion to match on
70	* @return True iff all entities satisfy the given criterion.
71	*/
72	public boolean matchAll( List entityList ) {
73	for( entity in entityList ) {
74	if( !matchOne( entity ) )
75	return false;
76	}
77	return true;
78	}
79
80	/**
81	* Tries to match a value against a criterion and returns true if it matches
82	*
83	* @param value Value of the field to match
84	* @return True iff the value matches this criterion, false otherwise
85	*/
86	public boolean match( def fieldValue ) {
87	if( fieldValue == null )
88	return false;
89
90	def classname = fieldValue.class.getName();
91	classname = classname[classname.lastIndexOf( '.' ) + 1..-1].toLowerCase();
92
93	println "Match " + fieldValue + " of class " + classname + " with " + this
94
95	try {
96	switch( classname ) {
97	case "integer": return longCompare( new Long( fieldValue.longValue() ) );
98	case "long": return longCompare( fieldValue );
99	case "float": return doubleCompare( new Long( fieldValue.doubleValue() ) );
100	case "double": return doubleCompare( fieldValue );
101	case "boolean": return booleanCompare( fieldValue );
102	case "date": return dateCompare( fieldValue);
103	case "reltime": return relTimeCompare( fieldValue );
104	case "assaymodule":
105	case "template":
106	case "term":
107	case "templatefieldlistitem":
108	case "string":
109	default: return compareValues( fieldValue.toString().trim().toLowerCase(), this.operator, value.toString().toLowerCase().trim() );
110	}
111	} catch( Exception e ) {
112	log.error e.class.getName() + ": " + e.getMessage();
113	return false;
114	}
115	}
116
117	/**
118	* Tries to match a value against a criterion and returns true if it matches
119	*
120	* @param fieldValue Value of the field to match
121	* @param operator Operator to apply
122	* @param criterionValue Value of the criterion
123	* @return True iff the value matches this criterion value, false otherwise
124	*/
125	protected boolean compareValues( def fieldValue, Operator operator, def criterionValue ) {
126	switch( operator ) {
127	case Operator.gte:
128	return fieldValue >= criterionValue;
129	case Operator.gt:
130	return fieldValue > criterionValue;
131	case Operator.lt:
132	return fieldValue < criterionValue;
133	case Operator.lte:
134	return fieldValue <= criterionValue;
135	case Operator.contains:
136	return fieldValue.contains( criterionValue );
137	case Operator.equals:
138	default:
139	return fieldValue.equals( criterionValue );
140	}
141
142	}
143
144	/**
145	* Tries to match a date value against a criterion and returns true if it matches
146	*
147	* @param value Date value of the field to match
148	* @return True iff the value matches this criterion, false otherwise
149	*/
150	protected boolean dateCompare( Date fieldValue ) {
151	try {
152	Date dateCriterion = new SimpleDateFormat( "yyyy-MM-dd" ).parse( value );
153	Date fieldDate = new Date( fieldValue.getTime() );
154
155	// Clear time in order to just compare dates
156	dateCriterion.clearTime();
157	fieldDate.clearTime();
158
159	return compareValues( fieldDate, this.operator, dateCriterion )
160	} catch( Exception e ) {
161	log.error e.class.getName() + ": " + e.getMessage();
162	return false;
163	}
164	}
165
166	/**
167	* Tries to match a long value against a criterion and returns true if it matches
168	*
169	* @param value Long value of the field to match
170	* @param criterion Criterion to match on. Should be a map with entries 'operator' and 'value'
171	* @return True iff the value matches this criterion, false otherwise
172	*/
173	protected boolean longCompare( Long fieldValue ) {
174	Long longCriterion;
175	try {
176	longCriterion = Long.parseLong( value );
177	} catch( Exception e ) {
178	try {
179	// If converting to long doesn't work, try converting to double and rounding it
180	Double doubleCriterion = Double.parseDouble(value);
181	longCriterion = new Long( doubleCriterion.longValue() );
182	} catch( Exception e2 ) {
183	log.error e2.class.getName() + ": " + e2.getMessage();
184	return false;
185	}
186	}
187	return compareValues( fieldValue, this.operator, longCriterion );
188	}
189
190	/**
191	* Tries to match a double value against a criterion and returns true if it matches
192	*
193	* @param value Double value of the field to match
194	* @return True iff the value matches this criterion, false otherwise
195	*/
196	protected boolean doubleCompare( Double fieldValue ) {
197	try {
198	Double doubleCriterion = Double.parseDouble( value );
199	return compareValues( fieldValue, this.operator, doubleCriterion );
200	} catch( Exception e ) {
201	log.error e.class.getName() + ": " + e.getMessage();
202	return false;
203	}
204	}
205
206
207	/**
208	* Tries to match a boolean value against a criterion and returns true if it matches
209	*
210	* @param value Boolean value of the field to match
211	* @return True iff the value matches this criterion, false otherwise
212	*/
213	protected boolean booleanCompare( Boolean fieldValue ) {
214	try {
215	Boolean booleanCriterion = Boolean.parseBoolean( value );
216	return compareValues( fieldValue, this.operator, booleanCriterion );
217	} catch( Exception e ) {
218	log.error e.class.getName() + ": " + e.getMessage();
219	return false;
220	}
221	}
222
223	/**
224	* Tries to match a relTime value against a criterion and returns true if it matches
225	*
226	* @param value relTime value of the field to match
227	* @return True iff the value matches this criterion, false otherwise
228	*/
229	protected boolean relTimeCompare( RelTime fieldValue ) {
230	try {
231	RelTime rt
232
233	// Numbers are taken to be seconds, if a non-numeric value is given, try to parse it
234	if( value.toString().isNumber() ) {
235	rt = new RelTime( Long.parseLong( value.toString() ) );
236	} else {
237	rt = new RelTime( value.toString() );
238	}
239
240	return compareValues( fieldValue, this.operator, rt );
241	} catch( Exception e ) {
242	log.error e.class.getName() + ": " + e.getMessage();
243	return false;
244	}
245	}
246
247	public String toString() {
248	return "[Criterion " + entity + "." + field + " " + operator + " " + value + "]";
249	}
250	}

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