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## org.eclipse.birt.report.model.api.validators
Class MasterPageRequiredValidator

    java.lang.Object
      org.eclipse.birt.report.model.validators.AbstractSemanticValidator
          org.eclipse.birt.report.model.validators.AbstractElementValidator
              org.eclipse.birt.report.model.api.validators.MasterPageRequiredValidator

    public class MasterPageRequiredValidator

extends org.eclipse.birt.report.model.validators.AbstractElementValidator

Validates the report should have at least one master page.

### Rule

The rule is that the report should have at least one master page.

### Applicability

This validator is only applied to `ReportDesign`.

Field Summary

Fields inherited from class org.eclipse.birt.report.model.validators.AbstractSemanticValidator
`modules, name`

Constructor Summary
`MasterPageRequiredValidator()`

Method Summary
`static MasterPageRequiredValidator` | `getInstance()` Returns the singleton validator instance.
`java.util.List<SemanticException>` | `validate(org.eclipse.birt.report.model.core.Module module, org.eclipse.birt.report.model.core.DesignElement element)` Validates whether the given report has one master page.

Methods inherited from class org.eclipse.birt.report.model.validators.AbstractSemanticValidator
`canApplyToDesign, canApplyToLibrary, getName, isInTemplateParameterDefinitionSlot, setModules, setName`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### MasterPageRequiredValidator

    public MasterPageRequiredValidator()

Method Detail

### getInstance

    public static MasterPageRequiredValidator getInstance()

  Returns the singleton validator instance.

  Returns:
    the validator instance

### validate

    public java.util.List<SemanticException> validate(org.eclipse.birt.report.model.core.Module module,
                                                      org.eclipse.birt.report.model.core.DesignElement element)

  Validates whether the given report has one master page.

  Specified by:
    `validate` in class `org.eclipse.birt.report.model.validators.AbstractElementValidator`
  Parameters:
    `module` - the module
    `element` - the report to validate
  Returns:
    error list, each of which is the instance of `SemanticException`.

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Copyright © 2008 Actuate Corp. All rights reserved.