package headless;
import headless.util.EPackageQuerySpecification;
import java.util.Arrays;
import java.util.List;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.incquery.runtime.api.IPatternMatch;
import org.eclipse.incquery.runtime.api.impl.BasePatternMatch;
import org.eclipse.incquery.runtime.exception.IncQueryException;
/**
* Pattern-specific match representation of the headless.ePackage pattern,
* to be used in conjunction with {@link EPackageMatcher}.
*
* <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
* Each instance is a (possibly partial) substitution of pattern parameters,
* usable to represent a match of the pattern in the result of a query,
* or to specify the bound (fixed) input parameters when issuing a query.
*
* @see EPackageMatcher
* @see EPackageProcessor
*
*/
@SuppressWarnings("all")
public abstract class EPackageMatch extends BasePatternMatch {
private EPackage fP;
private static List<String> parameterNames = makeImmutableList("p");
private EPackageMatch(final EPackage pP) {
this.fP = pP;
}
@Override
public Object get(final String parameterName) {
if ("p".equals(parameterName)) return this.fP;
return null;
}
public EPackage getP() {
return this.fP;
}
@Override
public boolean set(final String parameterName, final Object newValue) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
if ("p".equals(parameterName) ) {
this.fP = (org.eclipse.emf.ecore.EPackage) newValue;
return true;
}
return false;
}
public void setP(final EPackage pP) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fP = pP;
}
@Override
public String patternName() {
return "headless.ePackage";
}
@Override
public List<String> parameterNames() {
return EPackageMatch.parameterNames;
}
@Override
public Object[] toArray() {
return new Object[]{fP};
}
@Override
public String prettyPrint() {
StringBuilder result = new StringBuilder();
result.append("\"p\"=" + prettyPrintValue(fP));
return result.toString();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((fP == null) ? 0 : fP.hashCode());
return result;
}
@Override
public boolean equals(final Object obj) {
if (this == obj)
return true;
if (!(obj instanceof EPackageMatch)) { // this should be infrequent
if (obj == null)
return false;
if (!(obj instanceof IPatternMatch))
return false;
IPatternMatch otherSig = (IPatternMatch) obj;
if (!specification().equals(otherSig.specification()))
return false;
return Arrays.deepEquals(toArray(), otherSig.toArray());
}
EPackageMatch other = (EPackageMatch) obj;
if (fP == null) {if (other.fP != null) return false;}
else if (!fP.equals(other.fP)) return false;
return true;
}
@Override
public EPackageQuerySpecification specification() {
try {
return EPackageQuerySpecification.instance();
} catch (IncQueryException ex) {
// This cannot happen, as the match object can only be instantiated if the query specification exists
throw new IllegalStateException (ex);
}
}
@SuppressWarnings("all")
static final class Mutable extends EPackageMatch {
Mutable(final EPackage pP) {
super(pP);
}
@Override
public boolean isMutable() {
return true;
}
}
@SuppressWarnings("all")
static final class Immutable extends EPackageMatch {
Immutable(final EPackage pP) {
super(pP);
}
@Override
public boolean isMutable() {
return false;
}
}
}