svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.sqlite / org.gvsig.sqlite.provider / src / main / java / org / gvsig / sqlite / dal / expressionbuilderformatter / ST_Overlaps.java @ 47606
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package org.gvsig.sqlite.dal.expressionbuilderformatter; |
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import java.text.MessageFormat; |
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import java.util.List; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.expressionevaluator.ExpressionBuilder; |
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import org.gvsig.expressionevaluator.ExpressionBuilder.Function; |
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import org.gvsig.expressionevaluator.ExpressionBuilder.Value; |
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import org.gvsig.expressionevaluator.Formatter; |
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import org.gvsig.fmap.dal.SQLBuilder; |
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import static org.gvsig.sqlite.dal.expressionbuilderformatter.ST_Intersects.getBBoxIntersectsFilter; |
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/**
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*
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* @author jjdelcerro
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*/
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public class ST_Overlaps implements Formatter<Value> { |
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private final SQLBuilder sqlbuilder; |
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private final Formatter<Value> formatter; |
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public ST_Overlaps(SQLBuilder sqlbuilder, Formatter<Value> formatter) { |
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this.sqlbuilder = sqlbuilder;
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this.formatter = formatter;
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} |
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@Override
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public boolean canApply(ExpressionBuilder.Value value) { |
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if (value instanceof ExpressionBuilder.Function) { |
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return StringUtils.equalsIgnoreCase("ST_Overlaps", ((Function) value).name()); |
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} |
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return false; |
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} |
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@Override
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public String format(Value function) { |
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List<Value> parameters = ((Function) function).parameters();
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Value p1 = parameters.get(0);
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Value p2 = parameters.get(1);
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String p1s = p1.toString(formatter);
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String p2s = p2.toString(formatter);
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String filter = getBBoxIntersectsFilter(formatter, p1, p2);
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if (filter == null ) { |
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filter = getBBoxIntersectsFilter(formatter, p2, p1); |
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} |
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String r;
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if( filter == null ) { |
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r = MessageFormat.format("ST_Overlaps(({0}),({1}))", p1s, p2s); |
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} else {
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r = MessageFormat.format("( ({2}) AND ST_Overlaps(({0}),({1}) ))", p1s, p2s, filter); |
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} |
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return r;
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} |
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} |