svn-gvsig-desktop / 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 / function / operator / AbstractBinaryOperator.java @ 44207
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1 | 43512 | jjdelcerro | package org.gvsig.expressionevaluator.impl.function.operator; |
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2 | |||
3 | import java.util.Date; |
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4 | import org.apache.commons.lang3.Range; |
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5 | 43521 | jjdelcerro | import org.gvsig.expressionevaluator.Interpreter; |
6 | 43512 | jjdelcerro | import org.gvsig.expressionevaluator.spi.AbstractFunction; |
7 | |||
8 | |||
9 | public abstract class AbstractBinaryOperator extends AbstractFunction implements BinaryOperator { |
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10 | |||
11 | 44207 | jjdelcerro | protected AbstractBinaryOperator(String group, String name, String description, boolean isSQLCompatible) { |
12 | super(group, name, Range.is(2), description, " {{oper1}} " + name + " oper2 ", null, null, isSQLCompatible); |
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13 | 43512 | jjdelcerro | } |
14 | |||
15 | 44207 | jjdelcerro | protected AbstractBinaryOperator(String group, String name, boolean isSQLCompatible) { |
16 | this(group, name, null, isSQLCompatible); |
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17 | 43512 | jjdelcerro | } |
18 | |||
19 | @Override
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20 | 43521 | jjdelcerro | public Object call(Interpreter interpreter, Object[] args) { |
21 | return call(interpreter, args[0], args[1]); |
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22 | 43512 | jjdelcerro | |
23 | } |
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24 | 43521 | jjdelcerro | |
25 | @Override
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26 | public boolean isOperator() { |
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27 | return true; |
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28 | } |
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29 | 43512 | jjdelcerro | |
30 | protected static final int TYPE_INT = 0b0000001; |
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31 | protected static final int TYPE_LONG = 0b0000010; |
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32 | protected static final int TYPE_FLOAT = 0b0000100; |
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33 | protected static final int TYPE_DOUBLE = 0b0001000; |
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34 | protected static final int TYPE_BOOLEAN = 0b0010000; |
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35 | protected static final int TYPE_STRING = 0b0100000; |
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36 | protected static final int TYPE_DATE = 0b1000000; |
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37 | |||
38 | protected int getType(Object op1, Object op2) { |
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39 | int r = 0; |
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40 | if( op1 instanceof Double ) { |
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41 | r |= TYPE_DOUBLE; |
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42 | } else if( op1 instanceof Float ) { |
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43 | r |= TYPE_FLOAT; |
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44 | } else if( op1 instanceof Long ) { |
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45 | r |= TYPE_LONG; |
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46 | } else if( op1 instanceof Integer ) { |
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47 | r |= TYPE_INT; |
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48 | } else if( op1 instanceof Boolean ) { |
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49 | r |= TYPE_BOOLEAN; |
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50 | } else if( op1 instanceof String ) { |
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51 | r |= TYPE_STRING; |
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52 | } else if( op1 instanceof Date ) { |
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53 | r |= TYPE_DATE; |
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54 | } |
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55 | if( op2 instanceof Double ) { |
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56 | r |= TYPE_DOUBLE; |
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57 | } else if( op2 instanceof Float ) { |
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58 | r |= TYPE_FLOAT; |
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59 | } else if( op2 instanceof Long ) { |
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60 | r |= TYPE_LONG; |
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61 | } else if( op2 instanceof Integer ) { |
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62 | r |= TYPE_INT; |
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63 | } else if( op2 instanceof Boolean ) { |
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64 | r |= TYPE_BOOLEAN; |
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65 | } else if( op2 instanceof String ) { |
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66 | r |= TYPE_STRING; |
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67 | } else if( op2 instanceof Date ) { |
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68 | r |= TYPE_DATE; |
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69 | } |
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70 | return r;
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71 | } |
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72 | |||
73 | } |