package hu.bme.mit.incquery.cep.runtime.evaluation.queries;
import hu.bme.mit.incquery.cep.metamodels.internalsm.EventToken;
import hu.bme.mit.incquery.cep.metamodels.internalsm.State;
import java.util.Arrays;
import java.util.List;
import org.eclipse.incquery.patternlanguage.patternLanguage.Pattern;
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 hu.bme.mit.incquery.cep.runtime.evaluation.queries.finalState pattern,
* to be used in conjunction with {@link FinalStateMatcher}.
*
* <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 FinalStateMatcher
* @see FinalStateProcessor
*
*/
@SuppressWarnings("all")
public abstract class FinalStateMatch extends BasePatternMatch {
private State fS;
private EventToken fEt;
private static List<String> parameterNames = makeImmutableList("s", "et");
private FinalStateMatch(final State pS, final EventToken pEt) {
this.fS = pS;
this.fEt = pEt;
}
@Override
public Object get(final String parameterName) {
if ("s".equals(parameterName)) return this.fS;
if ("et".equals(parameterName)) return this.fEt;
return null;
}
public State getS() {
return this.fS;
}
public EventToken getEt() {
return this.fEt;
}
@Override
public boolean set(final String parameterName, final Object newValue) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
if ("s".equals(parameterName) ) {
this.fS = (hu.bme.mit.incquery.cep.metamodels.internalsm.State) newValue;
return true;
}
if ("et".equals(parameterName) ) {
this.fEt = (hu.bme.mit.incquery.cep.metamodels.internalsm.EventToken) newValue;
return true;
}
return false;
}
public void setS(final State pS) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fS = pS;
}
public void setEt(final EventToken pEt) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fEt = pEt;
}
@Override
public String patternName() {
return "hu.bme.mit.incquery.cep.runtime.evaluation.queries.finalState";
}
@Override
public List<String> parameterNames() {
return FinalStateMatch.parameterNames;
}
@Override
public Object[] toArray() {
return new Object[]{fS, fEt};
}
@Override
public String prettyPrint() {
StringBuilder result = new StringBuilder();
result.append("\"s\"=" + prettyPrintValue(fS) + ", ");
result.append("\"et\"=" + prettyPrintValue(fEt));
return result.toString();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((fS == null) ? 0 : fS.hashCode());
result = prime * result + ((fEt == null) ? 0 : fEt.hashCode());
return result;
}
@Override
public boolean equals(final Object obj) {
if (this == obj)
return true;
if (!(obj instanceof FinalStateMatch)) { // this should be infrequent
if (obj == null)
return false;
if (!(obj instanceof IPatternMatch))
return false;
IPatternMatch otherSig = (IPatternMatch) obj;
if (!pattern().equals(otherSig.pattern()))
return false;
return Arrays.deepEquals(toArray(), otherSig.toArray());
}
FinalStateMatch other = (FinalStateMatch) obj;
if (fS == null) {if (other.fS != null) return false;}
else if (!fS.equals(other.fS)) return false;
if (fEt == null) {if (other.fEt != null) return false;}
else if (!fEt.equals(other.fEt)) return false;
return true;
}
@Override
public Pattern pattern() {
try {
return FinalStateMatcher.querySpecification().getPattern();
} 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 FinalStateMatch {
Mutable(final State pS, final EventToken pEt) {
super(pS, pEt);
}
@Override
public boolean isMutable() {
return true;
}
}
@SuppressWarnings("all")
static final class Immutable extends FinalStateMatch {
Immutable(final State pS, final EventToken pEt) {
super(pS, pEt);
}
@Override
public boolean isMutable() {
return false;
}
}
}