Revision 46086 trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.impl/src/main/java/org/gvsig/fmap/dal/impl/expressionevaluator/DefaultFeatureExpressionEvaluator.java
| DefaultFeatureExpressionEvaluator.java | ||
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import org.slf4j.LoggerFactory; |
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@SuppressWarnings("UseSpecificCatch")
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public class DefaultFeatureExpressionEvaluator |
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extends AbstractEvaluator |
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implements ExpressionEvaluator, Cloneable |
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{
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public class DefaultFeatureExpressionEvaluator |
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extends AbstractEvaluator |
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implements ExpressionEvaluator, Cloneable {
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private static final Logger LOGGER = LoggerFactory.getLogger(DefaultFeatureExpressionEvaluator.class); |
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private String storeName;
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private String storeName;
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private static class DescriptionAdapter implements Description {
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|
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private Expression expression; |
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private Description[] availableOperators; |
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private Description[] availableFunctions; |
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public DefaultFeatureExpressionEvaluator() {
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ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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this.symbolTable = manager.createSymbolTable(); |
| ... | ... | |
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} |
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public DefaultFeatureExpressionEvaluator(String source) {
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this(null, source);
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}
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this(null, source);
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}
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public DefaultFeatureExpressionEvaluator(String storeName, String source) {
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this(); |
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ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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this.expression = manager.createExpression(); |
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this.expression.setPhrase(source); |
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this.storeName = storeName;
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this.storeName = storeName;
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} |
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public DefaultFeatureExpressionEvaluator(Expression expression) {
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this(null, expression);
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this(null, expression);
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} |
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public DefaultFeatureExpressionEvaluator(String storeName, Expression expression) {
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this(); |
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this.expression = expression; |
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this.storeName = storeName; |
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} |
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this.storeName = storeName; |
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} |
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@Override |
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public String getName() {
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return "Genereric expression"; |
| ... | ... | |
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public SymbolTable toSymbolTable() {
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return this.symbolTable; |
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} |
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@Override |
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public Object evaluate(EvaluatorData data) throws EvaluatorException {
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this.featureSymbolTable.setFeature((Feature) data); |
| ... | ... | |
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final Set<String> names = new HashSet<>(); |
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try {
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this.expression.getCode().accept((Object code) -> {
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if (code instanceof Code.Identifier) {
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Code.Identifier identifier = (Code.Identifier) code; |
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if(!StringUtils.equalsIgnoreCase(storeName, identifier.name())) {
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names.add(identifier.name());
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}
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} else if (code instanceof Code.Callable) {
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Callable callable = (Callable) code;
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if (callable.name().equals(ExpressionBuilder.FUNCTION_GETATTR)) {
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Code p0 = callable.parameters().get(0);
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if (!(p0 instanceof Code.Identifier)) {
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return;
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}
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if (!StringUtils.equalsIgnoreCase(storeName, ((Code.Identifier) p0).name())) {
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return;
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}
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Code p1 = callable.parameters().get(1);
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if (!(p1 instanceof Code.Constant)) {
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return;
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}
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String s = Objects.toString(((Code.Constant)p1).value(), null);
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if (s != null) {
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names.add(s);
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}
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}
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}
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if (code instanceof Code.Identifier) {
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Code.Identifier identifier = (Code.Identifier) code;
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if (!StringUtils.equalsIgnoreCase(storeName, identifier.name())) {
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names.add(identifier.name());
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}
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} else if (code instanceof Code.Callable) {
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Callable callable = (Callable) code;
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if (callable.name().equals(ExpressionBuilder.FUNCTION_GETATTR)) {
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Code p0 = callable.parameters().get(0);
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if (!(p0 instanceof Code.Identifier)) {
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return;
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}
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if (!StringUtils.equalsIgnoreCase(storeName, ((Code.Identifier) p0).name())) {
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return;
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}
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Code p1 = callable.parameters().get(1);
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if (!(p1 instanceof Code.Constant)) {
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return;
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}
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String s = Objects.toString(((Code.Constant) p1).value(), null);
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if (s != null) {
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names.add(s);
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}
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}
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}
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}); |
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EvaluatorFieldsInfo info = new EvaluatorFieldsInfo(); |
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for (String name : names) {
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} |
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return other; |
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} |
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@Override |
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public void saveToState(PersistentState ps) throws PersistenceException {
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ps.set("expression", expression);
|
| ... | ... | |
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public void loadFromState(PersistentState state) throws PersistenceException {
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this.expression = (Expression) state.get("expression");
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} |
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public static void registerPersistence() {
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PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
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if (manager.getDefinition("DefaultFeatureExpressionEvaluator") == null) {
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| ... | ... | |
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@Override |
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public void addSymbolTable(SymbolTable symbolTable) {
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if( symbolTable!=null ) {
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if (symbolTable != null) {
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this.symbolTable.addSymbolTable(symbolTable); |
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} |
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} |
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