Revision 43809 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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public class DefaultSymbolTable implements MutableSymbolTable {
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private SymbolTable symbolTable;
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private final Map<String,Object> vars;
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private final Map<String,Function> functions;
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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 symbolTable) {
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this.symbolTable = symbolTable;
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public DefaultSymbolTable(SymbolTable delegatedSymbolTable) {
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this.delegatedSymbolTable = delegatedSymbolTable;
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this.vars = new HashMap<>(); |
| 21 | 21 |
this.functions = new HashMap<>(); |
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} |
| ... | ... | |
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public DefaultSymbolTable() {
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this(null); |
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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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@Override |
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public void addVar(String name, Object value) {
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| ... | ... | |
| 38 | 49 |
@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.symbolTable != null ) {
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fn = this.symbolTable.function(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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} |
| ... | ... | |
| 48 | 59 |
public boolean exists(String name) {
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boolean e = this.vars.containsKey(name); |
| 50 | 61 |
if( !e ) {
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e = this.symbolTable.exists(name);
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e = this.delegatedSymbolTable.exists(name);
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} |
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return e; |
| 54 | 65 |
} |
| ... | ... | |
| 58 | 69 |
if( this.vars.containsKey(name) ) {
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return this.vars.get(name); |
| 60 | 71 |
} |
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return this.symbolTable.value(name);
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return this.delegatedSymbolTable.value(name);
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} |
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@Override |
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public void setSymbolTable(SymbolTable symbolTable) {
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this.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.symbolTable;
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return this.delegatedSymbolTable;
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} |
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@Override |
Also available in: Unified diff