Revision 43987 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/DefaultExpressionEvaluatorManager.java

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DefaultExpressionEvaluatorManager.java
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import java.util.Collection;


  		




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import java.util.HashMap;


  		




  
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import java.util.HashSet;


  		




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import java.util.Map;


  		




  
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import java.util.Set;


  		




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import org.gvsig.expressionevaluator.Code;


  		




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import org.gvsig.expressionevaluator.CodeBuilder;


  		




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import org.gvsig.expressionevaluator.Compiler;


  		




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    private Double accuracy;


  		




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    private final Map<String,SymbolTable>symbolTables;


  		




  
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    private final Set<String>autoloadSymbolTables;


  		




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    public DefaultExpressionEvaluatorManager() {


  		




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        this.symbolTables = new HashMap<>();


  		




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        this.registerSymbolTable(new SQLSymbolTable());


  		




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        this.registerSymbolTable(new OGCSymbolTable());


  		




  
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        this.autoloadSymbolTables = new HashSet<>();


  		




  
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        this.registerSymbolTable(new SQLSymbolTable(), true);


  		




  
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        this.registerSymbolTable(new OGCSymbolTable(), true);


  		




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    }


  		




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    @Override


  		




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    }


  		




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    @Override


  		




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    public final void registerSymbolTable(SymbolTable symbolTable) {


  		




  
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    public final void registerSymbolTable(SymbolTable symbolTable, boolean autoload) {


  		




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        this.symbolTables.put(symbolTable.getName().toUpperCase(),symbolTable);


  		




  
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        if( autoload ) {


  		




  
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            this.autoloadSymbolTables.add(symbolTable.getName().toUpperCase());


  		




  
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        }


  		




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    }


  		




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    @Override


  		




  
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    public boolean isAutoload(SymbolTable symbolTable) {


  		




  
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        return this.autoloadSymbolTables.contains(symbolTable.getName().toUpperCase());


  		




  
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    }


  		




  
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    @Override


  		




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    public Object evaluate(String source) {


  		




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        DefaultInterpreter interpreter = new DefaultInterpreter();


  		




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        DefaultCompiler compiler = new DefaultCompiler();


  		




  ......




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    @Override


  		




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    public MutableSymbolTable createSymbolTable() {


  		




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        return new DefaultSymbolTable();


  		




  
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        DefaultSymbolTable theSymbolTable = new DefaultSymbolTable();


  		




  
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        return theSymbolTable;


  		




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    }


  		




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    public void populateSymbolTable(SymbolTable aSymbolTable) {


  		




  
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        for (String name : this.autoloadSymbolTables ) {


  		




  
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            SymbolTable symbolTable = this.symbolTables.get(name);


  		




  
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            if( symbolTable!=null ) {


  		




  
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                aSymbolTable.addSymbolTable(symbolTable);


  		




  
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            }


  		




  
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        }


  		




  
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    }


  		




  
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    @Override


  		




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    public LexicalAnalyzer createLexicalAnalyzer() {


  		




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        return new SQLLexicalAnalyzer();


  		












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