Package org.umlg.sqlg.strategy

Class BaseStrategy

java.lang.Object

org.umlg.sqlg.strategy.BaseStrategy

Direct Known Subclasses:

GraphStrategy, VertexStrategy

public abstract class BaseStrategy
extends Object

Author:

Pieter Martin Date: 2017/03/04

Field Summary

Fields

Modifier and Type	Field	Description
static final String	EMIT_LABEL_SUFFIX
static final String	PATH_LABEL_SUFFIX
static final String	SQLG_PATH_FAKE_LABEL
static final String	SQLG_PATH_ORDER_RANGE_LABEL
static final String	SQLG_PATH_TEMP_FAKE_LABEL
static final List<BiPredicate>	SUPPORTED_ID_BI_PREDICATE
static final List<BiPredicate>	SUPPORTED_LABEL_BI_PREDICATE

Method Summary

Modifier and Type	Method	Description
protected abstract SqlgStep	constructSqlgStep(org.apache.tinkerpop.gremlin.process.traversal.Step startStep)
protected abstract boolean	doFirst(ListIterator<org.apache.tinkerpop.gremlin.process.traversal.Step<?,?>> stepIterator, org.apache.tinkerpop.gremlin.process.traversal.Step<?,?> step, org.apache.commons.lang3.mutable.MutableInt pathCount)
protected boolean	handleAggregateGlobalStep(ReplacedStep<?,?> replacedStep, org.apache.tinkerpop.gremlin.process.traversal.Step aggregateStep, String aggr)
protected abstract boolean	isReplaceableStep(Class<? extends org.apache.tinkerpop.gremlin.process.traversal.Step> stepClass)
protected abstract void	replaceStepInTraversal(org.apache.tinkerpop.gremlin.process.traversal.Step stepToReplace, SqlgStep sqlgStep)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

PATH_LABEL_SUFFIX

public static final String PATH_LABEL_SUFFIX

See Also:

• Constant Field Values

EMIT_LABEL_SUFFIX

public static final String EMIT_LABEL_SUFFIX

See Also:

• Constant Field Values

SQLG_PATH_FAKE_LABEL

public static final String SQLG_PATH_FAKE_LABEL

See Also:

• Constant Field Values

SQLG_PATH_TEMP_FAKE_LABEL

public static final String SQLG_PATH_TEMP_FAKE_LABEL

See Also:

• Constant Field Values

SQLG_PATH_ORDER_RANGE_LABEL

public static final String SQLG_PATH_ORDER_RANGE_LABEL

See Also:

• Constant Field Values

SUPPORTED_LABEL_BI_PREDICATE

public static final List<BiPredicate> SUPPORTED_LABEL_BI_PREDICATE

SUPPORTED_ID_BI_PREDICATE

public static final List<BiPredicate> SUPPORTED_ID_BI_PREDICATE

Method Details

doFirst

protected abstract boolean doFirst(ListIterator<org.apache.tinkerpop.gremlin.process.traversal.Step<?,?>> stepIterator,
 org.apache.tinkerpop.gremlin.process.traversal.Step<?,?> step,
 org.apache.commons.lang3.mutable.MutableInt pathCount)

constructSqlgStep

protected abstract SqlgStep constructSqlgStep(org.apache.tinkerpop.gremlin.process.traversal.Step startStep)

isReplaceableStep

protected abstract boolean isReplaceableStep(Class<? extends org.apache.tinkerpop.gremlin.process.traversal.Step> stepClass)

replaceStepInTraversal

protected abstract void replaceStepInTraversal(org.apache.tinkerpop.gremlin.process.traversal.Step stepToReplace,
 SqlgStep sqlgStep)

handleAggregateGlobalStep

protected boolean handleAggregateGlobalStep(ReplacedStep<?,?> replacedStep,
 org.apache.tinkerpop.gremlin.process.traversal.Step aggregateStep,
 String aggr)