Revision 43913 trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.impl/src/main/java/org/gvsig/expressionevaluator/impl/DefaultSymbolTable.java
| DefaultSymbolTable.java | ||
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.Map; |
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import org.gvsig.expressionevaluator.Function; |
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import org.gvsig.expressionevaluator.SymbolTable; |
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import org.gvsig.expressionevaluator.MutableSymbolTable; |
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public class DefaultSymbolTable implements MutableSymbolTable {
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public class DefaultSymbolTable extends AbstractSymbolTable implements MutableSymbolTable {
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private SymbolTable delegatedSymbolTable; |
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private Map<String,Object> vars; |
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private Map<String,Function> functions; |
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public DefaultSymbolTable(SymbolTable delegatedSymbolTable) {
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this.delegatedSymbolTable = delegatedSymbolTable;
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super(delegatedSymbolTable);
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this.vars = new HashMap<>(); |
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this.functions = new HashMap<>(); |
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} |
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public DefaultSymbolTable() {
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| ... | ... | |
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@Override |
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public MutableSymbolTable clone() throws CloneNotSupportedException {
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DefaultSymbolTable other = (DefaultSymbolTable) super.clone(); |
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if( this.delegatedSymbolTable!=null ) {
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other.delegatedSymbolTable = this.delegatedSymbolTable.clone(); |
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} |
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other.vars = new HashMap<>(vars); |
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other.functions = new HashMap<>(functions); |
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return other; |
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} |
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|
| ... | ... | |
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public void addVar(String name, Object value) {
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this.vars.put(name, value); |
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} |
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@Override |
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public void addFunction(Function function) {
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this.functions.put(function.name(), function); |
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} |
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@Override |
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public Function function(String name) {
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Function fn = this.functions.get(name); |
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if( fn == null && this.delegatedSymbolTable != null ) {
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fn = this.delegatedSymbolTable.function(name); |
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} |
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return fn; |
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} |
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@Override |
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public boolean exists(String name) {
|
| ... | ... | |
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} |
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@Override |
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public void setSymbolTable(SymbolTable symbolTable) {
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this.delegatedSymbolTable = symbolTable; |
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} |
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@Override |
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public SymbolTable getSymbolTable() {
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return this.delegatedSymbolTable; |
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} |
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@Override |
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public void removeVar(String name) {
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this.vars.remove(name); |
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} |
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@Override |
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public void removeFunction(String name) {
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this.functions.remove(name); |
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} |
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@Override |
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public Iterator<String> itervars() {
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return this.vars.keySet().iterator(); |
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} |
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@Override |
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public Iterator<Function> iterfuncs() {
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return this.functions.values().iterator(); |
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} |
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@Override |
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public Iterator<Function> iterator() {
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return iterfuncs(); |
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} |
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} |
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