Java Condition类代码示例

import org.javarosa.core.model.condition.Condition; //导入依赖的package包/类
public boolean isRepeatRelevant(TreeReference repeatRef) {
    boolean relev = true;

    Condition c = conditionRepeatTargetIndex.get(repeatRef.genericize());
    if (c != null) {
        relev = c.evalBool(mainInstance, new EvaluationContext(exprEvalContext, repeatRef));
    }

    //check the relevancy of the immediate parent
    if (relev) {
        TreeElement templNode = mainInstance.getTemplate(repeatRef);
        TreeReference parentPath = templNode.getParent().getRef().genericize();
        TreeElement parentNode = mainInstance.resolveReference(parentPath.contextualize(repeatRef));
        relev = parentNode.isRelevant();
    }

    return relev;
}
 

import org.javarosa.core.model.condition.Condition; //导入依赖的package包/类
private static String printConditionalProperty (String property, FormDef f, TreeElement instanceNode) {
	int action = -1;
	String conditionHeader = null;
	boolean absolute = false;
	boolean absoluteReportable = false;
	String absoluteHeader = null;

	if (property.equals("relevant")) {
		action = Condition.ACTION_SHOW;
		conditionHeader = "Relevant if";
		absolute = instanceNode.isRelevant();
		absoluteReportable = false;
		absoluteHeader = "Never relevant";
	} else if (property.equals("required")) {
		action = Condition.ACTION_REQUIRE;
		conditionHeader = "Conditionally Required";
		absolute = instanceNode.isRequired();
		absoluteReportable = true;
		absoluteHeader = "Required";
	} else if (property.equals("readonly")) {
		action = Condition.ACTION_DISABLE;
		conditionHeader = "Conditionally Read-only";
		absolute = instanceNode.isEnabled();
		absoluteReportable = false;
		absoluteHeader = "Read-only";
	}

	IConditionExpr expr = f.getConditionExpressionForTrueAction(instanceNode, action);

	String line = null;
	if (expr != null) {
		line = conditionHeader + ": " + printCondition(expr);
	} else if (absolute == absoluteReportable) {
		line = absoluteHeader;
	}

	return line;
}
 

import org.javarosa.core.model.condition.Condition; //导入依赖的package包/类
/**
 * Pull this in from FormOverview so that we can make fields private.
 * 
 * @param instanceNode
 * @param action
 * @return
 */
public final IConditionExpr getConditionExpressionForTrueAction(
		FormInstance mainInstance, TreeElement instanceNode, int action) {
	IConditionExpr expr = null;
	for (int i = 0; i < triggerablesDAG.size() && expr == null; i++) {
		// Clayton Sims - Jun 1, 2009 : Not sure how legitimate this
		// cast is. It might work now, but break later.
		// Clayton Sims - Jun 24, 2009 : Yeah, that change broke things.
		// For now, we won't bother to print out anything that isn't
		// a condition.
		QuickTriggerable qt = triggerablesDAG.get(i);
		if (qt.t instanceof Condition) {
			Condition c = (Condition) qt.t;

			if (c.trueAction == action) {
				List<TreeReference> targets = c.getTargets();
				for (int j = 0; j < targets.size() && expr == null; j++) {
					TreeReference target = targets.get(j);

					TreeReference tr = (TreeReference) (new XPathReference(
							target)).getReference();
					TreeElement element = mainInstance.getTemplatePath(tr);
					if (instanceNode == element) {
						expr = c.getExpr();
					}
				}
			}
		}
	}
	return expr;
}
 

import org.javarosa.core.model.condition.Condition; //导入依赖的package包/类
/**
* API for retrieving the list of conditions, for use when
* serializing the form definition (e.g., into .cache file).
* @return
*/  
 public final ArrayList<Condition> getConditions() {
    ArrayList<Condition> conditions = new ArrayList<Condition>();
    for ( QuickTriggerable qt : unorderedTriggerables ) {
       if ( qt.t instanceof Condition ) {
          conditions.add((Condition) qt.t);
       }
    }
    return conditions;
 }
 

import org.javarosa.core.model.condition.Condition; //导入依赖的package包/类
private void buildConditionRepeatTargetIndex() {
    conditionRepeatTargetIndex = new Hashtable<TreeReference, Condition>();
    for (Triggerable t : triggerables) {
        if (t instanceof Condition) {
            for (TreeReference target : t.getTargets()) {
                if (mainInstance.getTemplate(target) != null) {
                    conditionRepeatTargetIndex.put(target, (Condition)t);
                }
            }
        }
    }
}
 

import org.javarosa.core.model.condition.Condition; //导入依赖的package包/类
/**
 * Reads the form definition object from the supplied stream.
 *
 * Requires that the instance has been set to a prototype of the instance that
 * should be used for deserialization.
 */
@Override
public void readExternal(DataInputStream dis, PrototypeFactory pf) throws IOException, DeserializationException {
    setID(ExtUtil.readInt(dis));
    setName(ExtUtil.nullIfEmpty(ExtUtil.readString(dis)));
    setTitle((String)ExtUtil.read(dis, new ExtWrapNullable(String.class), pf));
    setChildren((Vector)ExtUtil.read(dis, new ExtWrapListPoly(), pf));
    setInstance((FormInstance)ExtUtil.read(dis, FormInstance.class, pf));

    setLocalizer((Localizer)ExtUtil.read(dis, new ExtWrapNullable(Localizer.class), pf));

    Vector vcond = (Vector)ExtUtil.read(dis, new ExtWrapList(Condition.class), pf);
    for (Enumeration e = vcond.elements(); e.hasMoreElements(); ) {
        addTriggerable((Condition)e.nextElement());
    }
    Vector vcalc = (Vector)ExtUtil.read(dis, new ExtWrapList(Recalculate.class), pf);
    for (Enumeration e = vcalc.elements(); e.hasMoreElements(); ) {
        addTriggerable((Recalculate)e.nextElement());
    }
    finalizeTriggerables();

    outputFragments = (Vector)ExtUtil.read(dis, new ExtWrapListPoly(), pf);

    submissionProfiles = (Hashtable<String, SubmissionProfile>)ExtUtil.read(dis, new ExtWrapMap(String.class, SubmissionProfile.class), pf);

    formInstances = (Hashtable<String, DataInstance>)ExtUtil.read(dis, new ExtWrapMap(String.class, new ExtWrapTagged()), pf);

    extensions = (Vector)ExtUtil.read(dis, new ExtWrapListPoly(), pf);

    setEvaluationContext(new EvaluationContext(null));
    actionController = (ActionController)ExtUtil.read(dis, ActionController.class, pf);
}
 

import org.javarosa.core.model.condition.Condition; //导入依赖的package包/类
/**
 * Writes the form definition object to the supplied stream.
 */
@Override
public void writeExternal(DataOutputStream dos) throws IOException {
    ExtUtil.writeNumeric(dos, getID());
    ExtUtil.writeString(dos, ExtUtil.emptyIfNull(getName()));
    ExtUtil.write(dos, new ExtWrapNullable(getTitle()));
    ExtUtil.write(dos, new ExtWrapListPoly(getChildren()));
    ExtUtil.write(dos, getMainInstance());
    ExtUtil.write(dos, new ExtWrapNullable(localizer));

    Vector<Condition> conditions = new Vector<Condition>();
    Vector<Recalculate> recalcs = new Vector<Recalculate>();
    for (int i = 0; i < triggerables.size(); i++) {
        Triggerable t = triggerables.elementAt(i);
        if (t instanceof Condition) {
            conditions.addElement((Condition)t);
        } else if (t instanceof Recalculate) {
            recalcs.addElement((Recalculate)t);
        }
    }
    ExtUtil.write(dos, new ExtWrapList(conditions));
    ExtUtil.write(dos, new ExtWrapList(recalcs));

    ExtUtil.write(dos, new ExtWrapListPoly(outputFragments));
    ExtUtil.write(dos, new ExtWrapMap(submissionProfiles));

    //for support of multi-instance forms

    ExtUtil.write(dos, new ExtWrapMap(formInstances, new ExtWrapTagged()));
    ExtUtil.write(dos, new ExtWrapListPoly(extensions));
    ExtUtil.write(dos, actionController);
}
 

import org.javarosa.core.model.condition.Condition; //导入依赖的package包/类
private void buildConditionRepeatTargetIndex() {
    conditionRepeatTargetIndex = new HashMap<>();
    for (Triggerable t : triggerables) {
        if (t instanceof Condition) {
            for (TreeReference target : t.getTargets()) {
                if (mainInstance.getTemplate(target) != null) {
                    conditionRepeatTargetIndex.put(target, (Condition)t);
                }
            }
        }
    }
}
 

import org.javarosa.core.model.condition.Condition; //导入依赖的package包/类
/**
 * Writes the form definition object to the supplied stream.
 */
@Override
public void writeExternal(DataOutputStream dos) throws IOException {
    ExtUtil.writeNumeric(dos, getID());
    ExtUtil.writeString(dos, ExtUtil.emptyIfNull(getName()));
    ExtUtil.write(dos, new ExtWrapNullable(getTitle()));
    ExtUtil.write(dos, new ExtWrapListPoly(getChildren()));
    ExtUtil.write(dos, getMainInstance());
    ExtUtil.write(dos, new ExtWrapNullable(localizer));

    Vector<Condition> conditions = new Vector<>();
    Vector<Recalculate> recalcs = new Vector<>();
    for (Triggerable t : triggerables) {
        if (t instanceof Condition) {
            conditions.addElement((Condition)t);
        } else if (t instanceof Recalculate) {
            recalcs.addElement((Recalculate)t);
        }
    }
    ExtUtil.write(dos, new ExtWrapList(conditions));
    ExtUtil.write(dos, new ExtWrapList(recalcs));

    ExtUtil.write(dos, new ExtWrapListPoly(outputFragments));
    ExtUtil.write(dos, new ExtWrapMap(submissionProfiles));

    //for support of multi-instance forms

    ExtUtil.write(dos, new ExtWrapMap(formInstances, new ExtWrapTagged()));
    ExtUtil.write(dos, new ExtWrapListPoly(extensions));
    ExtUtil.write(dos, actionController);
}
 

import org.javarosa.core.model.condition.Condition; //导入依赖的package包/类
private static String printConditionalProperty (String property, FormDef f, TreeElement instanceNode) {
    int action = -1;
    String conditionHeader = null;
    boolean absolute = false;
    boolean absoluteReportable = false;
    String absoluteHeader = null;

    if (property.equals("relevant")) {
        action = Condition.ACTION_SHOW;
        conditionHeader = "Relevant if";
        absolute = instanceNode.isRelevant();
        absoluteReportable = false;
        absoluteHeader = "Never relevant";
    } else if (property.equals("required")) {
        action = Condition.ACTION_REQUIRE;
        conditionHeader = "Conditionally Required";
        absolute = instanceNode.isRequired();
        absoluteReportable = true;
        absoluteHeader = "Required";
    } else if (property.equals("readonly")) {
        action = Condition.ACTION_DISABLE;
        conditionHeader = "Conditionally Read-only";
        absolute = instanceNode.isEnabled();
        absoluteReportable = false;
        absoluteHeader = "Read-only";
    }

    IConditionExpr expr = null;

    triggerLoop:
    for (Enumeration<Triggerable> e = f.getTriggerables(); e.hasMoreElements();) {
        Triggerable trig = e.nextElement();
        // Clayton Sims - Jun 1, 2009 : Not sure how legitimate this
        // cast is. It might work now, but break later.
        // Clayton Sims - Jun 24, 2009 : Yeah, that change broke things.
        // For now, we won't bother to print out anything that isn't
        // a condition.
        if (trig instanceof Condition) {
            Condition c = (Condition)trig;

            if (c.trueAction == action) {
                for (TreeReference target : c.targets) {
                    if (instanceNode == getInstanceNode(f.getInstance(), new XPathReference(target))) {
                        expr = c.expr;
                        break triggerLoop;
                    }
                }
            }
        }
    }

    String line = null;
    if (expr != null) {
        line = conditionHeader + ": " + printCondition(expr);
    } else if (absolute == absoluteReportable) {
        line = absoluteHeader;
    }

    return line;
}
 

import org.javarosa.core.model.condition.Condition; //导入依赖的package包/类
private static String printConditionalProperty (String property, FormDef f, TreeElement instanceNode) {
    int action = -1;
    String conditionHeader = null;
    boolean absolute = false;
    boolean absoluteReportable = false;
    String absoluteHeader = null;

    if (property.equals("relevant")) {
        action = Condition.ACTION_SHOW;
        conditionHeader = "Relevant if";
        absolute = instanceNode.isRelevant();
        absoluteReportable = false;
        absoluteHeader = "Never relevant";
    } else if (property.equals("required")) {
        action = Condition.ACTION_REQUIRE;
        conditionHeader = "Conditionally Required";
        absolute = instanceNode.isRequired();
        absoluteReportable = true;
        absoluteHeader = "Required";
    } else if (property.equals("readonly")) {
        action = Condition.ACTION_DISABLE;
        conditionHeader = "Conditionally Read-only";
        absolute = instanceNode.isEnabled();
        absoluteReportable = false;
        absoluteHeader = "Read-only";
    }

    IConditionExpr expr = null;

    triggerLoop:
    for (Iterator<Triggerable> e = f.getTriggerables(); e.hasNext();) {
        Triggerable trig = e.next();
        // Clayton Sims - Jun 1, 2009 : Not sure how legitimate this
        // cast is. It might work now, but break later.
        // Clayton Sims - Jun 24, 2009 : Yeah, that change broke things.
        // For now, we won't bother to print out anything that isn't
        // a condition.
        if (trig instanceof Condition) {
            Condition c = (Condition)trig;

            if (c.trueAction == action) {
                for (TreeReference target : c.targets) {
                    if (instanceNode == getInstanceNode(f.getInstance(), new XPathReference(target))) {
                        expr = c.expr;
                        break triggerLoop;
                    }
                }
            }
        }
    }

    String line = null;
    if (expr != null) {
        line = conditionHeader + ": " + printCondition(expr);
    } else if (absolute == absoluteReportable) {
        line = absoluteHeader;
    }

    return line;
}