org.apache.xmlbeans.SchemaProperty Maven / Gradle / Ivy
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/* Copyright 2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.xmlbeans;
import java.math.BigInteger;
import javax.xml.namespace.QName;
/**
* Represents a summary of similar SchemaFields in a complex type.
*
* In a schema type, every element with the same name must have the
* same type. Therefore, all together, elements with the same name
* form a coherent collection of similar elements. Similarly, attributes
* can only be defined once, so each attribute obviously is a coherent
* group on its own.
*
* A SchemaProperty represents a summary of the the elements with a
* given name or the attribute with a given name. It represents the
* summary cardinality of the fields, the summary default and fixed
* values, and so on. When inferring information about an element
* or attribute, it is typically easier to consult then SchemaProperty
* than to hunt for the exact SchemaField in the particle tree or
* attribute model.
*
* @see SchemaType#getProperties
* @see SchemaType#getAttributeProperties
* @see SchemaType#getElementProperties
* @see SchemaType#getAttributeProperty
* @see SchemaType#getElementProperty
*/
public interface SchemaProperty
{
/**
* The type within which this property appears
*/
SchemaType getContainerType();
/**
* The name of this element or attribute
*/
QName getName();
/**
* For element properties the set of names that are accepted for this property
* if this element is the head of a substitution group. This will always
* have at least one element, ie, the property's name.
*/
QName[] acceptedNames();
/**
* The Java name for this property. For example, if the method to
* access this property is called getFirstName, then this method
* returns the string "FirstName". May be null if the schema type
* has not been compiled to Java.
*/
String getJavaPropertyName();
/**
* True for read-only properties.
*/
boolean isReadOnly();
/**
* True for attributes.
*/
boolean isAttribute();
/**
* The schema type for the property.
*/
SchemaType getType();
// note that in the inheritance hierarchy, if the array getter shows up first,
// then the singelton getter is never allowed to show up.
/**
* The schema type returned from the Java getter for this property.
* Applies only to types that have been code generated to Java; may
* be a base type of getType().
*/
public SchemaType javaBasedOnType(); // Java property type based on this base type
/**
* True if there is a Java getter that returns a singleton.
*/
boolean extendsJavaSingleton(); // has singleton getter
/**
* True if there is an Java isSet method that tests for presence.
*/
boolean extendsJavaOption(); // has isSet tester
/**
* True if there is a Java getter that returns an array.
*/
boolean extendsJavaArray(); // has array getter (called -Array, if singleton is present)
/**
* Returns the natural Java type for this property. Returns either
* XML_OBJECT (for complex types) or one of the JAVA_* constants described
* in this interface.
*/
int getJavaTypeCode();
/**
* Returns the set of element names which should appear strictly after all
* occurences of the elements described by this property. For element properties only.
*/
QNameSet getJavaSetterDelimiter();
/**
* Returns a summarized minimum occurrance number.
* For example, a sequence containing a nonoptional singleton element repeated twice will
* result in a property getMinOccurs() of 2.
*/
BigInteger getMinOccurs();
/**
* Returns a summarized minimum occurrance number.
* For example, a sequence containing a nonoptional singleton element repeated twice will
* result in a property getMaxOccurs() of 2.
*/
BigInteger getMaxOccurs();
/**
* Returns {@link #NEVER}, {@link #VARIABLE}, or {@link #CONSISTENTLY} nillable, depending on the
* nillability of the elements in this property.
*/
int hasNillable();
/**
* Returns {@link #NEVER}, {@link #VARIABLE}, or {@link #CONSISTENTLY} defaulted, depending on the
* defaults present in the elements in this property.
*/
int hasDefault();
/**
* Returns {@link #NEVER}, {@link #VARIABLE}, or {@link #CONSISTENTLY} fixed, depending on the
* fixed constraints present in the elements in this property.
*/
int hasFixed();
/** Applies to no elements for this property. See {@link #hasNillable}, {@link #hasDefault}, {@link #hasFixed} */
static final int NEVER = 0;
/** Applies to some, but not other elements for this property. See {@link #hasNillable}, {@link #hasDefault}, {@link #hasFixed} */
static final int VARIABLE = 1;
/** Applies to all elements for this property. See {@link #hasNillable}, {@link #hasDefault}, {@link #hasFixed} */
static final int CONSISTENTLY = 2;
/** An XML Bean type that inherits from {@link XmlObject}. See {@link #getJavaTypeCode}. */
static final int XML_OBJECT = 0;
/** Java primitive type codes (for non-nullable Java types) are between JAVA_FIRST_PRIMITIVE and JAVA_LAST_PRIMITIVE, inclusive. */
static final int JAVA_FIRST_PRIMITIVE = 1;
/** A Java boolean. See {@link #getJavaTypeCode}. */
static final int JAVA_BOOLEAN = 1;
/** A Java float. See {@link #getJavaTypeCode}. */
static final int JAVA_FLOAT = 2;
/** A Java double. See {@link #getJavaTypeCode}. */
static final int JAVA_DOUBLE = 3;
/** A Java byte. See {@link #getJavaTypeCode}. */
static final int JAVA_BYTE = 4;
/** A Java short. See {@link #getJavaTypeCode}. */
static final int JAVA_SHORT = 5;
/** A Java int. See {@link #getJavaTypeCode}. */
static final int JAVA_INT = 6;
/** A Java long. See {@link #getJavaTypeCode}. */
static final int JAVA_LONG = 7;
/** Java primitive type codes (for non-nullable Java types) are between JAVA_FIRST_PRIMITIVE and JAVA_LAST_PRIMITIVE, inclusive. */
static final int JAVA_LAST_PRIMITIVE = 7;
/** A {@link java.math.BigDecimal}. See {@link #getJavaTypeCode}. */
static final int JAVA_BIG_DECIMAL = 8;
/** A {@link java.math.BigInteger}. See {@link #getJavaTypeCode}. */
static final int JAVA_BIG_INTEGER = 9;
/** A {@link String}. See {@link #getJavaTypeCode}. */
static final int JAVA_STRING = 10;
/** A byte[]. See {@link #getJavaTypeCode}. */
static final int JAVA_BYTE_ARRAY = 11;
/** A {@link GDate}. See {@link #getJavaTypeCode}. */
static final int JAVA_GDATE = 12;
/** A {@link GDuration}. See {@link #getJavaTypeCode}. */
static final int JAVA_GDURATION = 13;
/** A {@link java.util.Date}. See {@link #getJavaTypeCode}. */
static final int JAVA_DATE = 14;
/** A {@link javax.xml.namespace.QName}. See {@link #getJavaTypeCode}. */
static final int JAVA_QNAME = 15;
/** A {@link java.util.List}. See {@link #getJavaTypeCode}. */
static final int JAVA_LIST = 16;
/** A {@link java.util.Calendar}. See {@link #getJavaTypeCode}. */
static final int JAVA_CALENDAR = 17;
/** A generated {@link StringEnumAbstractBase} subclass. See {@link #getJavaTypeCode}. */
static final int JAVA_ENUM = 18;
/** A {@link java.lang.Object}, used for some simple type unions. See {@link #getJavaTypeCode}. */
static final int JAVA_OBJECT = 19; // for some unions
/** A user specified type. */
static final int JAVA_USER = 20;
/**
* Returns the default or fixed value,
* if it is consistent. If it is not consistent,
* then returns null.
* See {@link #hasDefault} and {@link #hasFixed}.
*/
String getDefaultText();
/**
* Returns the default or fixed value as a strongly-typed value,
* if it is consistent. If it is not consistent,
* then returns null.
* See {@link #hasDefault} and {@link #hasFixed}.
*/
XmlAnySimpleType getDefaultValue();
}