All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.orientechnologies.orient.core.sql.parser.OIsDefinedCondition Maven / Gradle / Ivy

Go to download

There is a newer version: 3.2.32
Show newest version
/* Generated By:JJTree: Do not edit this line. OIsDefinedCondition.java Version 4.3 */
/* JavaCCOptions:MULTI=true,NODE_USES_PARSER=false,VISITOR=true,TRACK_TOKENS=true,NODE_PREFIX=O,NODE_EXTENDS=,NODE_FACTORY=,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
package com.orientechnologies.orient.core.sql.parser;

import com.orientechnologies.orient.core.command.OCommandContext;
import com.orientechnologies.orient.core.db.record.OIdentifiable;
import com.orientechnologies.orient.core.record.OElement;
import com.orientechnologies.orient.core.sql.executor.OResult;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;

public class OIsDefinedCondition extends OBooleanExpression implements OSimpleBooleanExpression {

  protected OExpression expression;

  public OIsDefinedCondition(int id) {
    super(id);
  }

  public OIsDefinedCondition(OrientSql p, int id) {
    super(p, id);
  }

  @Override
  public boolean evaluate(OIdentifiable currentRecord, OCommandContext ctx) {
    Object elem = currentRecord.getRecord();
    if (elem instanceof OElement) {
      return expression.isDefinedFor((OElement) elem);
    }
    return false;
  }

  @Override
  public boolean evaluate(OResult currentRecord, OCommandContext ctx) {
    if (expression.isFunctionAny()) {
      return currentRecord.getPropertyNames().size() > 0;
    }
    if (expression.isFunctionAll()) {
      return true;
    }
    return expression.isDefinedFor(currentRecord);
  }

  public void toString(Map params, StringBuilder builder) {
    expression.toString(params, builder);
    builder.append(" is defined");
  }

  public void toGenericStatement(StringBuilder builder) {
    expression.toGenericStatement(builder);
    builder.append(" is defined");
  }

  @Override
  public boolean supportsBasicCalculation() {
    return true;
  }

  @Override
  protected int getNumberOfExternalCalculations() {
    return 0;
  }

  @Override
  protected List getExternalCalculationConditions() {
    return Collections.EMPTY_LIST;
  }

  @Override
  public boolean needsAliases(Set aliases) {
    return expression.needsAliases(aliases);
  }

  @Override
  public OIsDefinedCondition copy() {
    OIsDefinedCondition result = new OIsDefinedCondition(-1);
    result.expression = expression.copy();
    return result;
  }

  @Override
  public void extractSubQueries(SubQueryCollector collector) {
    this.expression.extractSubQueries(collector);
  }

  @Override
  public boolean refersToParent() {
    if (expression != null && expression.refersToParent()) {
      return true;
    }
    return false;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    OIsDefinedCondition that = (OIsDefinedCondition) o;

    if (expression != null ? !expression.equals(that.expression) : that.expression != null)
      return false;

    return true;
  }

  @Override
  public int hashCode() {
    return expression != null ? expression.hashCode() : 0;
  }

  @Override
  public List getMatchPatternInvolvedAliases() {
    return expression.getMatchPatternInvolvedAliases();
  }

  @Override
  public boolean isCacheable() {
    return expression.isCacheable();
  }
}
/* JavaCC - OriginalChecksum=075954b212c8cb44c8538bf5dea047d3 (do not edit this line) */
 















© 2015 - 2024 Weber Informatics LLC | Privacy Policy