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Added two convenience methods to avoid dealing with exceptions all the time.

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This commit is contained in:
Sander Bogaert 2012-10-13 10:08:39 -04:00
parent 9883148b2f
commit bdfc9d6852
1 changed files with 36 additions and 0 deletions
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36
src/com/fsck/k9/search/ConditionsTreeNode.java
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@ -141,6 +141,24 @@ public class ConditionsTreeNode implements Parcelable{
return add(expr, OPERATOR.AND); return add(expr, OPERATOR.AND);
} }
/**
* Convenience method.
* Adds the provided condition as the second argument of an AND
* clause to this node.
*
* @param condition Condition to 'AND' with.
* @return New top AND node, new root.
*/
public ConditionsTreeNode and(SearchCondition condition) {
try {
ConditionsTreeNode tmp = new ConditionsTreeNode(condition);
return and(tmp);
} catch (Exception e) {
// impossible
return null;
}
}
/** /**
* Adds the expression as the second argument of an OR * Adds the expression as the second argument of an OR
* clause to this node. * clause to this node.
@ -153,6 +171,24 @@ public class ConditionsTreeNode implements Parcelable{
return add(expr, OPERATOR.OR); return add(expr, OPERATOR.OR);
} }
/**
* Convenience method.
* Adds the provided condition as the second argument of an OR
* clause to this node.
*
* @param condition Condition to 'OR' with.
* @return New top OR node, new root.
*/
public ConditionsTreeNode or(SearchCondition condition) {
try {
ConditionsTreeNode tmp = new ConditionsTreeNode(condition);
return or(tmp);
} catch (Exception e) {
// impossible
return null;
}
}
/** /**
* This applies the MPTT labeling to the subtree of which this node * This applies the MPTT labeling to the subtree of which this node
* is the root node. * is the root node.