org.eclipse.persistence.internal.expressions.QueryKeyExpression.shouldUseOuterJoin()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中org.eclipse.persistence.internal.expressions.QueryKeyExpression.shouldUseOuterJoin方法的一些代码示例，展示了QueryKeyExpression.shouldUseOuterJoin的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。QueryKeyExpression.shouldUseOuterJoin方法的具体详情如下：
包路径：org.eclipse.persistence.internal.expressions.QueryKeyExpression
类名称：QueryKeyExpression
方法名：shouldUseOuterJoin

QueryKeyExpression.shouldUseOuterJoin介绍

暂无

代码示例

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

/**
 * INTERNAL:
 * If there is root expression in the list then indicates whether it shouldUseOuterJoin,
 * otherwise return false.
 */
protected boolean hasRootExpressionThatShouldUseOuterJoin(List expressions) {
  for (Iterator expressionsEnum = expressions.iterator();
       expressionsEnum.hasNext();) {
    Expression next = (Expression)expressionsEnum.next();
    // The expressionBuilder can be one of the locked expressions in
    // the ForUpdateOfClause.
    if (!next.isQueryKeyExpression()) {
      continue;
    }
    QueryKeyExpression expression = (QueryKeyExpression)next;
    if (expression.getBaseExpression().isExpressionBuilder() && expression.getName().equals(getAttributeName())) {
      return expression.shouldUseOuterJoin();
    }
  }
  return false;
}

代码示例来源：origin: org.eclipse.persistence/com.springsource.org.eclipse.persistence

/**
 * INTERNAL:
 * If there is root expression in the list then indicates whether it shouldUseOuterJoin,
 * otherwise return false.
 */
protected boolean hasRootExpressionThatShouldUseOuterJoin(List expressions) {
  for (Iterator expressionsEnum = expressions.iterator();
       expressionsEnum.hasNext();) {
    Expression next = (Expression)expressionsEnum.next();
    // The expressionBuilder can be one of the locked expressions in
    // the ForUpdateOfClause.
    if (!next.isQueryKeyExpression()) {
      continue;
    }
    QueryKeyExpression expression = (QueryKeyExpression)next;
    if (expression.getBaseExpression().isExpressionBuilder() && expression.getName().equals(getAttributeName())) {
      return expression.shouldUseOuterJoin();
    }
  }
  return false;
}

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.core

/**
 * INTERNAL:
 * If there is root expression in the list then indicates whether it shouldUseOuterJoin,
 * otherwise return false.
 */
protected boolean hasRootExpressionThatShouldUseOuterJoin(List expressions) {
  for (Iterator expressionsEnum = expressions.iterator();
       expressionsEnum.hasNext();) {
    Expression next = (Expression)expressionsEnum.next();
    // The expressionBuilder can be one of the locked expressions in
    // the ForUpdateOfClause.
    if (!next.isQueryKeyExpression()) {
      continue;
    }
    QueryKeyExpression expression = (QueryKeyExpression)next;
    if (expression.getBaseExpression().isExpressionBuilder() && expression.getName().equals(getAttributeName())) {
      return expression.shouldUseOuterJoin();
    }
  }
  return false;
}

代码示例来源：origin: org.eclipse.persistence/com.springsource.org.eclipse.persistence

if(shouldUseOuterJoin()) {
  for( int i=1; i < tablesSize; i++) {
    DatabaseTable table = (DatabaseTable)tables.elementAt(i);

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

if (shouldUseOuterJoin() || (!getSession().getPlatform().shouldPrintInnerJoinInWhereClause())) {
  for (int i=1; i < tablesSize; i++) {
    DatabaseTable table = (DatabaseTable)tables.elementAt(i);

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.core

if (shouldUseOuterJoin() || (!getSession().getPlatform().shouldPrintInnerJoinInWhereClause())) {
  for (int i=1; i < tablesSize; i++) {
    DatabaseTable table = (DatabaseTable)tables.elementAt(i);

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.core

/**
 * INTERNAL:
 * Print java for project class generation
 */
@Override
public void printJava(ExpressionJavaPrinter printer) {
  this.baseExpression.printJava(printer);
  if (!shouldUseOuterJoin()) {
    if (!shouldQueryToManyRelationship()) {
      printer.printString(".get(");
    } else {
      printer.printString(".anyOf(");
    }
  } else {
    if (!shouldQueryToManyRelationship()) {
      printer.printString(".getAllowingNull(");
    } else {
      printer.printString(".anyOfAllowingNone(");
    }
  }
  printer.printString("\"" + getName() + "\")");
}

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

/**
 * INTERNAL:
 * Print java for project class generation
 */
@Override
public void printJava(ExpressionJavaPrinter printer) {
  this.baseExpression.printJava(printer);
  if (!shouldUseOuterJoin()) {
    if (!shouldQueryToManyRelationship()) {
      printer.printString(".get(");
    } else {
      printer.printString(".anyOf(");
    }
  } else {
    if (!shouldQueryToManyRelationship()) {
      printer.printString(".getAllowingNull(");
    } else {
      printer.printString(".anyOfAllowingNone(");
    }
  }
  printer.printString("\"" + getName() + "\")");
}

代码示例来源：origin: org.eclipse.persistence/com.springsource.org.eclipse.persistence

/**
 * INTERNAL:
 * Print java for project class generation
 */
public void printJava(ExpressionJavaPrinter printer) {
  getBaseExpression().printJava(printer);
  if (!shouldUseOuterJoin()) {
    if (!shouldQueryToManyRelationship()) {
      printer.printString(".get(");
    } else {
      printer.printString(".anyOf(");
    }
  } else {
    if (!shouldQueryToManyRelationship()) {
      printer.printString(".getAllowingNull(");
    } else {
      printer.printString(".anyOfAllowingNone(");
    }
  }
  printer.printString("\"" + getName() + "\")");
}

代码示例来源：origin: org.eclipse.persistence/com.springsource.org.eclipse.persistence

if (shouldUseOuterJoin() && (getSession().getPlatform().isInformixOuterJoin())) {
  normalizer.getStatement().getOuterJoinExpressions().addElement(this);
  normalizer.getStatement().getOuterJoinedMappingCriteria().addElement(mappingExpression);
  normalizer.addAdditionalExpression(mappingExpression.and(additionalExpressionCriteria()));
  return this;
} else if ((shouldUseOuterJoin() || isUsingOuterJoinForMultitableInheritance()) && (!getSession().getPlatform().shouldPrintOuterJoinInWhereClause())) {
  if(shouldUseOuterJoin()) {
    normalizer.getStatement().getOuterJoinExpressions().addElement(this);
    normalizer.getStatement().getOuterJoinedMappingCriteria().addElement(mappingExpression);

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

public Expression mappingCriteria(Expression base) {
  Expression selectionCriteria;
  // First look for a query key, then a mapping
  if (getQueryKeyOrNull() == null) {
    if ((getMapping() == null) || (!getMapping().isForeignReferenceMapping())) {
      return null;
    } else {
      // The join criteria is now twisted by the mappings.
      selectionCriteria = ((ForeignReferenceMapping)getMapping()).getJoinCriteria(this, base);
    }
  } else {
    if (!getQueryKeyOrNull().isForeignReferenceQueryKey()) {
      return null;
    } else {
      selectionCriteria = ((ForeignReferenceQueryKey)getQueryKeyOrNull()).getJoinCriteria();
      selectionCriteria = this.baseExpression.twist(selectionCriteria, base);
    }
  }
  if (shouldUseOuterJoin() && getSession().getPlatform().shouldPrintOuterJoinInWhereClause()) {
    selectionCriteria = selectionCriteria.convertToUseOuterJoin();
  }
  return selectionCriteria;
}

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.core

public Expression mappingCriteria(Expression base) {
  Expression selectionCriteria;
  // First look for a query key, then a mapping
  if (getQueryKeyOrNull() == null) {
    if ((getMapping() == null) || (!getMapping().isForeignReferenceMapping())) {
      return null;
    } else {
      // The join criteria is now twisted by the mappings.
      selectionCriteria = ((ForeignReferenceMapping)getMapping()).getJoinCriteria(this, base);
    }
  } else {
    if (!getQueryKeyOrNull().isForeignReferenceQueryKey()) {
      return null;
    } else {
      selectionCriteria = ((ForeignReferenceQueryKey)getQueryKeyOrNull()).getJoinCriteria();
      selectionCriteria = this.baseExpression.twist(selectionCriteria, base);
    }
  }
  if (shouldUseOuterJoin() && getSession().getPlatform().shouldPrintOuterJoinInWhereClause()) {
    selectionCriteria = selectionCriteria.convertToUseOuterJoin();
  }
  return selectionCriteria;
}

代码示例来源：origin: org.eclipse.persistence/com.springsource.org.eclipse.persistence

public Expression mappingCriteria() {
  Expression selectionCriteria;
  // First look for a query key, then a mapping
  if (getQueryKeyOrNull() == null) {
    if ((getMapping() == null) || (!getMapping().isForeignReferenceMapping())) {
      return null;
    } else {
      // The join criteria is now twisted by the mappings.
      selectionCriteria = ((ForeignReferenceMapping)getMapping()).getJoinCriteria(this);
    }
  } else {
    if (!getQueryKeyOrNull().isForeignReferenceQueryKey()) {
      return null;
    } else {
      selectionCriteria = ((ForeignReferenceQueryKey)getQueryKeyOrNull()).getJoinCriteria();
      selectionCriteria = getBaseExpression().twist(selectionCriteria, this);
    }
  }
  if (shouldUseOuterJoin() && getSession().getPlatform().shouldPrintOuterJoinInWhereClause()) {
    selectionCriteria = selectionCriteria.convertToUseOuterJoin();
  }
  return selectionCriteria;
}

代码示例来源：origin: org.eclipse.persistence/com.springsource.org.eclipse.persistence

outerJoin = ((QueryKeyExpression) baseExp).shouldUseOuterJoin();
if (mapping.isAggregateMapping()) {
  newDescriptor = mapping.getDescriptor();

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.core

if ((mappingExpression.getBaseExpression() != null)
    && mappingExpression.getBaseExpression().isObjectExpression()
    && (!mappingExpression.shouldUseOuterJoin())) {

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

if ((mappingExpression.getBaseExpression() != null)
    && mappingExpression.getBaseExpression().isObjectExpression()
    && (!mappingExpression.shouldUseOuterJoin())) {

代码示例来源：origin: org.eclipse.persistence/com.springsource.org.eclipse.persistence

outerJoin = ((QueryKeyExpression)baseExp).shouldUseOuterJoin();
if (mapping.isAggregateMapping()){
  newDescriptor = mapping.getDescriptor();

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.core

if (criteria != null) {
  criteria = this.baseExpression.twist(criteria, this);
  if (shouldUseOuterJoin() && getSession().getPlatform().shouldPrintOuterJoinInWhereClause()) {
    criteria.convertToUseOuterJoin();

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

if (criteria != null) {
  criteria = this.baseExpression.twist(criteria, this);
  if (shouldUseOuterJoin() && getSession().getPlatform().shouldPrintOuterJoinInWhereClause()) {
    criteria.convertToUseOuterJoin();

代码示例来源：origin: org.eclipse.persistence/com.springsource.org.eclipse.persistence

if (criteria != null) {
  criteria = getBaseExpression().twist(criteria, this);
  if (shouldUseOuterJoin() && getSession().getPlatform().shouldPrintOuterJoinInWhereClause()) {
    criteria.convertToUseOuterJoin();

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