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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
ASTSQLAndExpression.java | 0% | 0% | 0% | 0% |
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/* JJT: 0.2.2 */
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package mobisnap.mobile_trx;
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import java.util.*;
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/**
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* Implements short-circuit AND
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*/
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public class ASTSQLAndExpression extends mobisnap.mobile_trx.SimpleNode { |
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public Vector ands;
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public ASTSQLAndExpression(int id) { |
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super(id);
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ands = new Vector();
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} |
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public ASTSQLAndExpression( MobisnapSQL p, int i) { |
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super( p, i);
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id = i; |
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ands = new Vector();
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} |
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/** Accept the visitor. **/
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public Object jjtAccept(MobisnapSQLVisitor visitor, Object data) {
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return visitor.visit(this, data); |
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} |
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/**
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* Returns the value of the expression
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*
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* @param msql_type Specifies which type of processing should be performed
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* MobisnapConstants.MSQL_SERVER = 1
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* MobisnapConstants.MSQL_TENTATIVE_CLIENT = 2
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* MobisnapConstants.MSQL_STABLE_CLIENT = 3
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* MobisnapConstants.MSQL_RESERVATION_CLIENT = 4
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* @param cond True if reservations associated iwth transaction should be
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* propagated to the current transaction
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*/
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public Object value( int msql_type, boolean cond) throws Exception { |
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int n = ands.size();
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if( n == 0)
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throw new Exception( "Internal error in and expression"); |
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Object val = ((SimpleNode)ands.elementAt(0)).value( msql_type, cond); |
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for( int i = 1; i < n; i++) { |
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Object aux = ((SimpleNode)ands.elementAt( i)).value( msql_type, cond); |
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val = MSQLTypeUtil.and( val, aux); |
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} |
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return val;
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} |
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/**
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* Returns a simplified node, if possible (usefull in expressions)
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*
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* @param msql_type Specifies which type of processing should be performed
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* MobisnapConstants.MSQL_SERVER = 1
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* MobisnapConstants.MSQL_TENTATIVE_CLIENT = 2
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* MobisnapConstants.MSQL_STABLE_CLIENT = 3
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* MobisnapConstants.MSQL_RESERVATION_CLIENT = 4
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* MobisnapConstants.MSQL_STATIC = 10
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* @param cond True if reservations associated iwth transaction should be
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* propagated to the current transaction
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*/
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public SimpleNode simplify( int msql_type, boolean cond) { |
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for( int i = 0; i < ands.size(); i++) |
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ands.setElementAt( ((SimpleNode)ands.elementAt(i)).simplify( msql_type, cond), i); |
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if( ands.size() == 1)
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return (SimpleNode)ands.elementAt( 0);
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try {
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return new SimpleNodeValue( value( msql_type, cond)); |
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} catch( Exception e) {
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return this; |
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} |
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} |
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} |
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