org.apache.olingo.odata2.api.edm.EdmMultiplicity Maven / Gradle / Ivy
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package org.apache.olingo.odata2.api.edm;
/**
* @org.apache.olingo.odata2.DoNotImplement
* EdmMultiplicity indicates the number of entity type instances
* an association end can relate to:
*
* - 0..1
- one or none
* - 1
- exactly one
* - *
- many
*
*
*/
public enum EdmMultiplicity {
ZERO_TO_ONE("0..1"), MANY("*"), ONE("1");
private final String literal;
private EdmMultiplicity(final String literal) {
this.literal = literal;
}
/**
* Gets the multiplicity for a given name.
* @param literal
* @return {@link EdmMultiplicity}
*/
public static EdmMultiplicity fromLiteral(final String literal) {
for (final EdmMultiplicity edmMultiplicity : EdmMultiplicity.values()) {
if (edmMultiplicity.toString().equals(literal)) {
return edmMultiplicity;
}
}
throw new IllegalArgumentException("Invalid literal " + literal);
}
/**
* Returns the OData literal form of this multiplicity.
* @return the OData literal form of this multiplicity
*/
@Override
public String toString() {
return literal;
}
}